Consumer medicine information

Humira

Adalimumab

BRAND INFORMATION

Brand name

Humira

Active ingredient

Adalimumab

Schedule

S4

 

Consumer medicine information (CMI) leaflet

Please read this leaflet carefully before you start using Humira.

SUMMARY CMI

HUMIRA®

Consumer Medicine Information (CMI) summary

The full CMI on the next page has more details. If you are worried about using this medicine, speak to your doctor or pharmacist.

1. Why am I using Humira?

Humira contains the active ingredient adalimumab. Humira is used to treat various inflammatory conditions.

For more information, see Section 1. Why am I using Humira? in the full CMI.

2. What should I know before I use Humira?

Check the list of ingredients at the end of the CMI. Do not use Humira if you have ever had an allergic reaction to any of them.

Talk to your doctor before you take this medicine if he/she is not aware that you have any other medical conditions, take any other medicines, or are pregnant or plan to become pregnant or are breastfeeding.

For more information, see Section 2. What should I know before I use Humira? in the full CMI.

3. What if I am taking other medicines?

Some medicines may interfere with Humira and affect how it works, or Humira may interfere with other medicines and affect how they work.

A list of these medicines is in Section 3. What if I am taking other medicines? in the full CMI.

4. How do I use Humira?

Humira is injected under the skin (subcutaneous).

More instructions can be found in Section 4. How do I use Humira? in the full CMI.

5. What should I know while using Humira?

Things you should do
  • Remind any doctor or dentist or pharmacist you visit that you are using Humira.
  • Keep all your appointments, including for blood tests.
  • Tell your doctor if you develop an infection or you notice new or changed spots on your skin.
  • Tell your doctor if you are scheduled for any vaccines.
Things you should not do
  • Do not stop using this medicine or change the dose unless your doctor tells you to.
Driving or using machines
  • Be careful before you drive or use any machines until you know how Humira affects you. The effects on your ability to drive or use machines whilst taking Humira are not known.
Drinking alcohol
  • There is no information on the effects of taking Humira with alcohol
Looking after your medicine
  • Store Humira in the refrigerator (2°C to 8°C). Do not freeze.
  • Keep pens or syringes in the pack to protect your medicine from light.

For more information, see Section 5. What should I know while using Humira? in the full CMI.

6. Are there any side effects?

Side effects that require urgent medical attention include: Signs of an allergic reaction, such as chest tightness, difficulty breathing, swelling of face lips and tongue, rash; signs of heart failure, such as shortness of breath on exertion or lying down, swelling of the feet; signs suggesting a blood disorder, such as persistent fever, bruising, bleeding, paleness.

For more information, including what to do if you have any side effects, see Section 6. Are there any side effects? in the full CMI.



FULL CMI

HUMIRA® (hue-me-rah)

Active ingredient: adalimumab (rch) (a-da-li-mue-mab)

Consumer Medicine Information (CMI)

This leaflet provides important information about using Humira. You should also speak to your doctor or pharmacist if you would like further information or if you have any concerns or questions about using Humira.

Where to find information in this leaflet:

1. Why am I using Humira?
2. What should I know before I use Humira?
3. What if I am taking other medicines?
4. How do I use Humira?
5. What should I know while using Humira?
6. Are there any side effects?
7. Product details

1. Why am I using Humira?

Humira contains the active ingredient adalimumab.

Humira is used to treat rheumatoid arthritis, polyarticular juvenile idiopathic arthritis, enthesitis-related arthritis, psoriatic arthritis, ankylosing spondylitis, Crohn's disease in adults and children aged 6 years and over, ulcerative colitis, psoriasis in adults and children aged 4 years and over, hidradenitis suppurativa in adults and adolescents aged 12 years and over, and uveitis in adults and children aged 2 years and over.

2. What should I know before I use Humira?

Warnings

Do not use Humira if:

  1. you are allergic to adalimumab, or any of the ingredients listed at the end of this document
  2. you have a severe infection such as sepsis (a serious infection of the blood) or tuberculosis (a serious infection of the lungs caused by bacteria), or other severe infection caused by a virus, fungus, parasite or bacteria
  3. you have heart failure considered by your doctor to be moderate or severe.

Check with your doctor if you:

  • have or have had an infection that does not go away or keeps coming back, this can include leg ulcers
  • you have ever had tuberculosis, or you have been in close contact with someone who has tuberculosis. Tuberculosis can develop during therapy even if you have received treatment for the prevention of tuberculosis.
  • you currently have active hepatitis B, have ever had hepatitis B, are a carrier of the hepatitis B virus or you think you may be at risk of contracting hepatitis B
  • you have or have had an infection caused by a fungus, or you have lived or travelled in countries where fungal infections are common
  • you have or have had uveitis, where the middle layer of the eyeball is inflamed
  • you have or have had allergic reactions such as chest tightness, wheezing, dizziness, swelling or rash
  • you have a disease that affects the insulating layer of the nerves, e.g. multiple sclerosis (MS)
  • you have or have had a blood disorder
  • you have or have had low resistance to disease
  • you have or have had a heart condition
  • you have or have had cancer or autoimmune disease
  • you have a lung disease called chronic obstructive pulmonary disease (COPD)
  • you have or have had kidney or liver problems
  • you have any vaccinations scheduled
  • you have or have had psoriasis (a skin disease that produces patches of thickened, scaly skin that is not contagious)
  • you have had phototherapy, also known as light therapy, for psoriasis
  • you have any surgery planned
  • you take any medicines for any other condition.

During treatment, you may be at risk of developing certain side effects. It is important you understand these risks and how to monitor for them. See additional information under Section 6. Are there any side effects?

Pregnancy and breastfeeding

Make sure your doctor is aware that you are pregnant or plan to become pregnant. Humira should only be used in pregnancy if clearly needed.

If you use Humira during pregnancy your baby may have a higher risk of getting an infection.

You should consider the use of effective contraception to prevent pregnancy and continue its use for at least 5 months after the last Humira injection.

Tell your baby's doctors if you have taken Humira while you are pregnant, especially before your baby receives any vaccinations.

Make sure your doctor is aware that you are breastfeeding, or you plan to do so.

Use in children

  • Wherever possible, it is recommended that children are up to date with all vaccinations, according to current immunisation guidelines, before they are started on Humira treatment.
  • Treatment of Crohn's disease in children should be supported by good nutrition to allow appropriate growth.
  • The long-term effects of Humira on the growth and development of children is not known.

Use in the elderly

If you are over 65, you may be more likely to get an infection while taking Humira.

3. What if I am taking other medicines?

Tell your doctor or pharmacist if you are taking any other medicines, including any medicines, vitamins or supplements that you buy without a prescription from your pharmacy, supermarket or health food shop.

Some medicines may interfere with Humira and affect how it works, while Humira may affect how other medicines work.

Do not take Humira if you are taking the following medicine:

  • anakinra, a medicine used to treat rheumatoid arthritis, juvenile idiopathic arthritis and conditions associated with a defect in a protein called cryoprin.

Medicines that may increase the risk of infection when taken with Humira include:

  • anakinra, a medicine used to treat rheumatoid arthritis, juvenile idiopathic arthritis and conditions associated with a defect in a protein called cryoprin
  • abatacept, a medicine used to treat rheumatoid arthritis, polyarticular juvenile idiopathic arthritis, psoriatic arthritis
  • azathioprine, a medicine used for suppressing the immune system to treat various conditions
  • 6-mercaptopurine, a medicine used to treat certain types of leukaemia, a blood disorder.

Check with your doctor or pharmacist if you are not sure about what medicines, vitamins or supplements you are taking and if these affect Humira.

4. How do I use Humira?

How much to use

  • Rheumatoid arthritis in adults
    Inject one 40 mg dose every fortnight.
    If you are not taking methotrexate, your doctor may change this dose to 40 mg every week, or 80 mg every fortnight, depending on your response.
  • Psoriatic arthritis and ankylosing spondylitis in adults
    Inject one 40 mg dose every fortnight.
  • Crohn's disease and ulcerative colitis in adults
    Inject 160 mg on day 1, followed by 80 mg on day 15 and 40 mg on day 29. Then, continue to inject 40 mg every fortnight (maintenance dose).
    Your doctor may change this maintenance dose to 40 mg every week, or 80 mg every fortnight, depending on your response.
    (See Special dosing instructions at the end of this section.)
  • Crohn's disease in children
    If the patient's body weight is at least 40 kg, inject 160 mg on day 1, followed by 80 mg on day 15 and 40 mg on day 29. Then, continue to inject 40 mg every fortnight (maintenance dose).
    Your doctor may change this maintenance dose to 40 mg every week, or 80 mg every fortnight, depending on your response.
    (See Special dosing instructions at the end of this section.)
    If the patient's body weight is less than 40 kg, inject 80 mg on day 1, followed by 40 mg on day 15, and 20 mg on day 29. Then, continue to inject 20 mg every fortnight.
    Your doctor may change this maintenance dose to 20 mg every week, depending on your response.
    (See Special dosing instructions at the end of this section.)
  • Psoriasis in adults
    Inject 80 mg on day 1, followed by 40 mg on day 8 and 40 mg on day 22. Then, continue to inject 40 mg every fortnight (maintenance dose).
    Your doctor may change this maintenance dose to 40 mg every week, or 80 mg every fortnight, depending on your response.
    (See Special dosing instructions at the end of this section.)
  • Psoriasis in children
    If the patient's body weight is at least 40 kg, inject 40 mg on day 1, followed by 40 mg on day 8 and 40 mg on day 22. Then continue to inject 40 mg every fortnight (maintenance dose).
    If the patient's body weight is less than 40 kg, inject 20 mg on day 1, inject 20 mg on day 8, then 20 mg on day 22. Then continue to inject 20 mg every fortnight (maintenance dose).
  • Uveitis in adults
    Inject 80 mg on day 1, followed by 40 mg on day 8 and 40 mg on day 22. Then continue to inject 40 mg every fortnight (maintenance dose).
    (See Special dosing instructions at the end of this section.)
  • Uveitis in children
    The usual dose for children aged 2 years or older with non-infectious anterior uveitis, depends on body weight.
    If the patient's body weight is less than 30 kg, inject 20 mg every fortnight. An initial dose of 40 mg may be administered by your child's doctor 1 week before starting maintenance treatment.
    If the patient's body weight is at least 30 kg, inject 40 mg every fortnight. An initial dose of 80 mg may be administered by your child's doctor 1 week before starting maintenance treatment.
  • Hidradenitis suppurativa in adults
    Inject 160 mg on day 1, followed by 80 mg on day 15. Then continue to inject 40 mg every week or 80mg every fortnight from day 29 (maintenance dose).
    (See Special dosing instructions at the end of this section.)
  • Hidradenitis suppurativa (HS) in adolescents
    Inject 80 mg on day 1, followed by 40 mg on day 8, and 40 mg on day 22. Then continue to inject 40 mg every fortnight (maintenance dose)
    Your doctor may change this maintenance dose to 40 mg every week, or 80 mg every fortnight depending on your response.
    (See Special dosing instructions at the end of this section.)
  • Polyarticular juvenile idiopathic arthritis and enthesitis-related arthritis
    If the patient's body weight is at least 30 kg, inject one 40 mg dose every fortnight.
    If the patient's body weight is between 10 and 30 kg, inject one 20 mg dose every fortnight.

Use an antiseptic face wash on the affected areas.

Special dosing instructions

  • When a dose of 160 mg is required, this can be given as two 80 mg OR four 40 mg injections in one day, or one 80 mg or two 40 mg injections per day over two consecutive days.
  • When a dose of 80 mg is required, this can be given as one 80 mg injection or two 40 mg injections in one day.

In some instances, Humira needs to be taken with other medicines. Your doctor will let you know which medicines, how to take them and how long to take them.

Follow all instructions given to you and use Humira until your doctor tells you to stop.

How to use Humira

  • Humira is injected under the skin (sub-cutaneous injection).
  • It can be injected by the patient, or by someone else, such as a family member, friend or carer.
  • An injection should not be attempted until proper training has been received on the correct injection technique.
  • Do not mix the injection with any other medicine.
  • Read the instructions for preparing and giving a Humira injection that are supplied with the product. These instructions are also available via the following hyperlinks:
    Humira syringe:
    www.medsinfo.com.au/media/veihumis
    Humira 40mg/0.4mL pen:
    www.medsinfo.com.au/media/veihu40p
    Humira 80mg/0.8mL pen:
    www.medsinfo.com.au/media/veihu80p

If you forget to inject Humira

It is important that you use your medicine as prescribed by your doctor.

If you miss your dose at the usual time, inject Humira as soon as you remember, and continue injecting the next dose at the usual time on your scheduled day.

Do not take a double dose to make up for the dose you missed.

If you inject too much Humira

You should immediately:

  • phone the Poisons Information Centre
    (by calling 13 11 26), or
  • contact your doctor, or
  • go to the Emergency Department at your nearest hospital.

You should do this even if there appear to be no signs of discomfort or poisoning.

5. What should I know while using Humira?

Things you should do

  • Keep all your doctor's appointments so your progress can be tracked.
  • Keep your appointments for blood tests. Some side effects are seen in blood results before you have any symptoms.
  • Remind any doctor, dentist or pharmacist you visit that you are using Humira, especially if you are scheduled for surgery or to receive any live vaccines (e.g. Bacille Calmette-Guerin or oral polio vaccine).

Call your doctor straight away if you:

  • get symptoms of an infection, such as a fever, skin sores, feeling tired, any problems with your teeth or gums or pain when passing urine or blood in your urine.
  • become pregnant while using Humira.
  • notice new skin lesions (skin spots or sores), or if existing lesions change appearance.

Things you should not do

  • Do not stop using this medicine or change the dose without checking with your doctor.

Driving or using machines

Be careful before you drive or use any machines or tools until you know how Humira affects you.

Drinking alcohol

There is no information on the use of alcohol with Humira.

Looking after your medicine

Follow the instructions on the carton on how to take care of your medicine properly.

  • Keep Humira in the carton protected from light.
  • Keep Humira in a refrigerator (at 2°C to 8°C). Do not freeze.

Keep it where young children cannot reach it.

When to discard your medicine

  • When necessary, a single Humira pen or syringe may be stored at room temperature (25°C) for a maximum of 14 days, protected from light.
  • Once removed from the refrigerator, the pen or syringe must be used within 14 days or discarded, even if it has been returned to the refrigerator.
  • After injecting Humira, immediately throw away the used pen or syringe in a special sharps container as instructed by your doctor, nurse or pharmacist.

Getting rid of any unwanted medicine

If your doctor advises that you no longer need to use this medicine or it is out of date, follow local guidelines for safe disposal.

6. Are there any side effects?

All medicines can have side effects. Most of them are minor and temporary. However, some side effects may need medical attention.

See the information below and, if you need to, ask your doctor or pharmacist if you have any further questions about side effects.

Less serious side effects

Less serious side effectsWhat to do
Injection site:
  • pain
  • swelling
  • redness
  • itching
Lungs and upper airways
  • cold
  • flu
  • runny nose
  • cough
  • sore throat
  • sinus infection
  • asthma or worsening asthma
  • bronchitis or pneumonia (congestions on the chest)
Ears, eyes and mouth
  • pain in the ear
  • pain, redness or swelling of the eye or eye lid
  • changes to vision
  • mouth ulcers
  • pain in the gums
  • excessive bleeding from the gums
Brain and nerves
  • headache or migraine
  • dizziness
  • muscle weakness
  • muscle, bone or joint pain
  • numbness
  • difficulty balancing
Gut and digestion
  • nausea
  • vomiting
  • tummy pain
  • reflux or heartburn
Skin and nails
  • rash
  • itching
  • redness
  • scaly skin patches
  • problems with your fingernails or toenails
  • hair loss
  • cold sore blisters
  • chicken pox.
Blood
  • bleeding
  • bruising more easily than usual
Body as a whole
  • tiredness
  • chest pain
  • lack of energy
  • increased heart rate
  • feeling overwhelmed or sad, lacking motivation (depression)
  • feeling especially fearful or worried (anxiety)
Speak to your doctor if you have any of these side effects and they worry you.

Serious side effects

Serious side effectsWhat to do
Signs of tuberculosis, such as:
  • persistent cough
  • weight loss
  • listlessness
  • fever.
Signs of an infection, such as:
  • fever
  • lack of energy
  • skin bump or sore that doesn't heal
  • problems with your teeth or gums
  • pain when passing urine or blood in the urine.
Signs of problems with your nervous system, such as:
  • numbness
  • tingling throughout your body
  • arm or leg weakness
  • double or blurred vision.
Signs suggesting a blood clot, such as:
  • swelling, tenderness, redness and a warm feeling of an area of the arm or leg
Signs suggesting a problem with your liver, such as:
  • yellowing of skin and/or eyes
  • severe tiredness
  • nausea and/or vomiting
  • bleeding or bruising
  • dark urine
  • stomach pain
Speak to your doctor as soon as possible if you have any of these side effects.

Very serious side effects

Very serious side effectsWhat to do
Signs of an allergic reaction, such as:
  • chest tightness,
  • shortness of breath, wheezing or difficulty breathing,
  • swelling of the face lips, tongue or other parts of the body,
  • hives itching or skin rash.
Signs of heart failure, such as:
  • shortness of breath on exertion or lying down,
  • swelling of the feet.
Signs suggesting a blood disorder, such as:
  • persistent fever,
  • bruising,
  • bleeding very easily
  • paleness.
Call your doctor straight away or go straight to the Emergency Department at your nearest hospital if you notice any of these serious side effects.

Tell your doctor or pharmacist if you notice anything else that may be making you feel unwell.

Other side effects not listed here may occur in some people.

Reporting side effects

After you have received medical advice for any side effects you experience, you can report side effects to the Therapeutic Goods Administration online at www.tga.gov.au/reporting-problems. By reporting side effects, you can help provide more information on the safety of this medicine.

Always make sure you speak to your doctor or pharmacist before you decide to stop taking any of your medicines.

7. Product details

This medicine is only available with a doctor's prescription.

What Humira contains

Humira 80 mg in 0.8mL; 40 mg in 0.4 mL, 20 mg in 0.2 mL

Humira is a clear, colourless, sterile solution containing:

  • 80 mg adalimumab in 0.8 mL solution in a prefilled pen (AUST R 285904)
  • 80 mg adalimumab in 0.8 mL solution in a prefilled syringe (AUST R 292934)
  • 40 mg adalimumab in 0.4 mL solution in a prefilled pen (AUST R 281509)
  • 40 mg adalimumab in 0.4 mL solution in a prefilled syringe (AUST R 281470)
  • 20 mg adalimumab in 0.2 mL solution in a prefilled syringe (AUST R 289104).
Active ingredient
(main ingredient)		adalimumab
Other ingredients
(inactive ingredients)		mannitol
Polysorbate 80
Water for injections

What Humira looks like

Prefilled pens and prefilled syringes are available for patient use in packs of 1,2, 4 or 6 units with alcohol pads, although not all presentations may be available or marketed in all pack sizes.

Who distributes Humira?

Humira is distributed in Australia by:

AbbVie Pty Ltd
ABN 48 156 384 262
241 O'Riordan Street
Mascot NSW 2020

This leaflet was prepared in March 2025.

Version 5

© 2025 AbbVie. All rights reserved. HUMIRA and its design are trademarks of AbbVie Biotechnology Ltd

Published by MIMS May 2025

BRAND INFORMATION

Brand name

Humira

Active ingredient

Adalimumab

Schedule

S4

 

1 Name of Medicine

Adalimumab (rch).

2 Qualitative and Quantitative Composition

Humira (adalimumab) is a recombinant human immunoglobulin (IgG1) monoclonal antibody containing only human peptide sequences. Humira was created using phage display technology resulting in fully human heavy and light chain variable regions, which confer specificity to human tumour necrosis factor (TNF), and human IgG1 heavy chain and kappa light chain sequences. Humira binds with high affinity and specificity to soluble tumour necrosis factor (TNF-alpha) but not lymphotoxin (TNF-beta). Adalimumab is produced by recombinant DNA technology in a mammalian cell expression system. It consists of 1330 amino acids and has a molecular weight of approximately 148 kilodaltons.
Adult presentations contain 80 mg adalimumab per 0.8 mL (100 mg/mL) or 40 mg adalimumab per 0.4 mL (100 mg/mL). Presentations for paediatric use only contain 20 mg adalimumab per 0.2 mL (100 mg/mL).
For the full list of excipients, see Section 6.1 List of Excipients.

3 Pharmaceutical Form

Humira is supplied as a sterile, preservative-free solution of adalimumab for subcutaneous administration. The solution of Humira is clear and colourless and isotonic with a pH of 5.2. The drug product is supplied as either a single-use pre-filled glass syringe or as a single use, pre-filled pen (Humira pen). Enclosed within the pen is a single-use, pre-filled glass syringe.

4 Clinical Particulars

4.1 Therapeutic Indications

Rheumatoid arthritis.

Humira is indicated for reducing signs and symptoms, as well as inhibiting the progression of structural damage in adult patients with moderate to severely active rheumatoid arthritis. This includes the treatment of patients with recently diagnosed moderate to severely active disease who have not received methotrexate.
Humira can be used alone or in combination with methotrexate.

Juvenile idiopathic arthritis.

Polyarticular juvenile idiopathic arthritis.

Humira in combination with methotrexate is indicated for reducing the signs and symptoms of moderately to severely active polyarticular juvenile idiopathic arthritis in patients 2 years of age and older who have had an inadequate response to one or more disease modifying anti-rheumatic drugs (DMARDs). Humira can be given as monotherapy in case of intolerance to methotrexate or when continued treatment with methotrexate is inappropriate.

Enthesitis-related arthritis.

Humira is indicated for the treatment of enthesitis-related arthritis in children, who have had an inadequate response to, or who are intolerant to, conventional therapy.

Psoriatic arthritis.

Humira is indicated for the treatment of signs and symptoms, as well as inhibiting the progression of structural damage, of moderate to severely active psoriatic arthritis in adult patients where response to previous DMARDs has been inadequate.

Ankylosing spondylitis.

Humira is indicated for reducing signs and symptoms in patients with active ankylosing spondylitis.

Crohn's disease in adults and children (≥ 6 years).

Humira is indicated for the treatment of moderate to severe Crohn's disease, to reduce the signs and symptoms of the disease and to induce and maintain clinical remission in patients:
who have had an inadequate response to conventional therapies; or
who have lost response to or are intolerant to infliximab.

Ulcerative colitis.

Humira is indicated for the treatment of moderate to severe ulcerative colitis in adult patients who have had an inadequate response to conventional therapy or who are intolerant to or have medical contraindications for such therapies. Patients should show a clinical response within 8 weeks of treatment to continue treatment beyond that time (see Section 5.1 Pharmacodynamic Properties, Clinical trials).

Psoriasis in adults and children.

Humira is indicated for the treatment of moderate to severe chronic plaque psoriasis in adult patients who are candidates for systemic therapy or phototherapy.
Humira is indicated for the treatment of severe chronic plaque psoriasis in children and adolescent patients from 4 years of age who have had an inadequate response to or are inappropriate candidates for topical therapy and phototherapy.

Hidradenitis suppurativa in adults and adolescents (from 12 years of age).

Humira is indicated for the treatment of active moderate to severe hidradenitis suppurativa (acne inversa) in patients with an inadequate response to conventional systemic hidradenitis suppurativa therapy.

Uveitis.

Humira is indicated for the treatment of non-infectious intermediate, posterior and pan-uveitis in adult patients who have had an inadequate response to corticosteroids, in patients in need of corticosteroid sparing, or in whom corticosteroid treatment is inappropriate.

Paediatric uveitis.

Humira is indicated for the treatment of chronic non-infectious anterior uveitis in paediatric patients 2 years of age and older who have had an inadequate response to or are intolerant to conventional therapy, or in whom conventional therapy is inappropriate.

4.2 Dose and Method of Administration

Humira is administered by subcutaneous injection. This product is for one dose in one patient only.
Humira is intended for use under the guidance and supervision of a physician. Patients may self inject Humira if their physician determines that it is appropriate and with medical follow-up, as necessary, after proper training in subcutaneous injection technique.
Sites for self-injection include thigh or abdomen. Injection sites should be rotated. New injections should never be given into areas where the skin is tender, bruised, red or hard.
Parenteral drug products should be inspected visually for particulate matter and discolouration prior to administration, whenever solution and container permit.
Humira should not be mixed in the same syringe with any other medicine. Any unused product or waste material should be disposed of in accordance with local requirements.
Humira contains no antimicrobial agent. Discard any residue.

Rheumatoid arthritis.

The recommended dose of Humira for adult patients with rheumatoid arthritis is 40 mg administered fortnightly as a single dose. Methotrexate, glucocorticoids, salicylates, nonsteroidal anti-inflammatory drugs or analgesics may be continued during treatment with Humira.
Some patients not taking concomitant methotrexate may derive additional benefit from increasing the dosage of Humira to 40 mg every week, or 80 mg fortnightly.

Juvenile idiopathic arthritis.

The recommended dose of Humira for patients 2 years of age and older with polyarticular juvenile idiopathic arthritis and enthesitis related arthritis is based on weight as shown in Table 1. Methotrexate, glucocorticoids, NSAIDs and/or analgesics may be continued during treatment with Humira.
Available data suggest that a clinical response is usually achieved within 12 weeks of treatment. Continued therapy should be carefully reconsidered in a patient not responding within this time period.
Humira has not been studied in patients with JIA less than 2 years of age, or in patients with a weight below 10 kg.
Humira has not been studied in patients with enthesitis related arthritis aged less than 6 years or any child weighing less than 10 kg.

Psoriatic arthritis.

The recommended dose of Humira for patients with psoriatic arthritis is 40 mg adalimumab administered fortnightly as a single dose.
Glucocorticoids, salicylates, nonsteroidal anti-inflammatory drugs, analgesics or disease modifying antirheumatic drugs can be continued during treatment with Humira.

Ankylosing spondylitis.

The recommended dose of Humira for patients with ankylosing spondylitis is 40 mg adalimumab administered every fortnight as a single dose.
Glucocorticoids, salicylates, nonsteroidal anti-inflammatory drugs, analgesics or disease-modifying anti-rheumatic drugs can be continued during treatment with Humira.

Crohn's disease.

The recommended Humira dose regimen for adult patients with Crohn's disease: see Table 2.
Some patients who experience a decrease in their response may benefit from an increase in dosage to 40 mg Humira every week, or 80 mg fortnightly.
Aminosalicylates, corticosteroids and/or immunomodulatory agents (e.g. 6-mercaptopurine and azathioprine) may be continued during treatment with Humira.

Paediatric Crohn's disease (6 to 17 years).

The recommended dose of Humira for patients from 6 to 17 years of age with Crohn's disease: see Table 3.
Some patients may benefit from increasing the dosage if a disease flare or an inadequate response is experienced during maintenance dosing:
< 40 kg: 20 mg every week;
≥ 40 kg: 40 mg every week or 80 mg fortnightly.
Continued therapy should be carefully considered in a subject not responding by week 12.
Good nutrition should be encouraged alongside pharmacological therapy to allow appropriate growth.

Ulcerative colitis.

The recommended Humira dose regimen for adult patients: see Table 4.
During maintenance treatment, corticosteroids may be tapered in accordance with clinical practice guidelines.
Some patients who experience a decrease in their response may benefit from an increase in dosage to 40 mg Humira every week, or 80 mg fortnightly.
Humira should not be continued in patients who do not achieve a clinical response in the first 8 weeks of treatment. Efficacy of Humira in the treatment of ulcerative colitis has not been demonstrated in patients who have failed previous anti-TNF therapy (see Section 5.1 Pharmacodynamic Properties, Clinical trials).

Psoriasis.

Adults.

The recommended dose of Humira for adult patients is an initial dose of 80 mg (as one 80 mg injection or two 40 mg injections), followed by 40 mg fortnightly, starting one week after the initial dose.
Continued therapy beyond 16 weeks should be carefully reconsidered in a patient not responding within this time period. Beyond 16 weeks, patients with inadequate response may benefit from an increase in dosage to 40 mg every week or 80 mg fortnightly. Response should be periodically evaluated (for example, every 12 weeks). Patients with continued inadequate response should discontinue treatment. If an adequate response is achieved with an increased dosing frequency, the dose may subsequently be reduced to 40 mg fortnightly.

Paediatric plaque psoriasis (4 to 17 years).

The recommended dose of Humira is based on bodyweight as shown in Table 5. Doses are administered subcutaneously weekly for the first two doses and fortnightly thereafter. Continued therapy beyond 16 weeks should be carefully considered in a patient not responding within this time period.
If retreatment with Humira is indicated, the above guidance on dose and treatment duration should be followed.
There is no relevant use of Humira in children aged less than 4 years in this indication.
There is limited data on the efficacy or safety of the use of Humira for paediatric plaque psoriasis beyond 52 weeks.

Hidradenitis suppurativa.

Adults.

The recommended Humira dose regimen for adult patients with hidradenitis suppurativa (HS) is 160 mg initially at day 1 (given as two 80 mg injections in one day or as one 80 mg injection per day for two consecutive days or as four 40 mg injections in one day or as two 40 mg injections per day for two consecutive days), followed by 80 mg two weeks later at day 15 (given as one 80 mg injection or two 40 mg injections). Two weeks later (day 29) continue with a dose of 40 mg every week or 80 mg fortnightly. Antibiotics may be continued during treatment with Humira if necessary. Should treatment need to be interrupted, Humira may be re-introduced. In patients without any benefit after 12 weeks of treatment, therapy should be discontinued.
Ongoing evidence of benefit, potential loss of response and the risks of treatment in patients continuing adalimumab beyond 12 weeks should be periodically evaluated (for example, after a further 12 weeks and every 6 months thereafter). In the two pivotal studies, the primary measure of efficacy was hidradenitis suppurativa clinical response (HiSCR), defined as ≥ 50% reduction from baseline in total abscess and inflammatory nodule (AN) count, with no observed increase in either abscess or draining fistula counts (see Section 5.1 Pharmacodynamic Properties, Clinical trials).

Adolescents (from 12 years of age, weighing at least 30 kg).

The recommended Humira dose is 80 mg at Week 0 (given as one 80 mg injection or two 40 mg injections), followed by 40 mg fortnightly, starting at Week 1 via subcutaneous injection.
In adolescent patients with inadequate response to Humira 40 mg fortnightly, an increase in dosage frequency to 40 mg every week or 80 mg fortnightly may be considered.
Antibiotics may be continued during treatment with Humira if necessary. It is recommended that the patient should use a topical antiseptic wash on their HS lesions on a daily basis during treatment with Humira.
In patients without any benefit after 12 weeks of treatment, therapy should be discontinued (see Section 5.1 Pharmacodynamic Properties, Clinical trials, Clinical trials for hidradenitis suppurativa, Adults).
Should treatment be interrupted, Humira may be re-introduced as appropriate. The benefit and risk of continued long-term treatment should be periodically evaluated (see Section 5.1 Pharmacodynamic Properties, Clinical trials, Clinical trials for hidradenitis suppurativa, Adults).
There is no relevant use of Humira in children aged less than 12 years of age with HS.

Uveitis.

Ophthalmologists are advised to consult with an appropriate specialist before initiation of treatment with Humira. Use of Humira for uveitis should be supervised by an ophthalmologist or other appropriate specialist. Patients treated with Humira should be given the special alert card.
The recommended dose of Humira for adult patients with uveitis is an initial dose of 80 mg (given as one 80 mg injection or two 40 mg injections), followed by 40 mg fortnightly, starting one week after the initial dose.
Treatment with Humira can be initiated in combination with corticosteroids and/or with other non-biologic immunomodulatory agents. There is limited experience in the initiation of treatment with Humira alone.
Concomitant corticosteroids may be tapered in accordance with clinical practice starting two weeks after initiating treatment with Humira.
It is recommended that the benefit and risk of continued long-term treatment should be evaluated on a yearly basis.

Paediatric uveitis.

The recommended dose of Humira for patients 2 years of age and older with chronic non-infectious anterior uveitis is based on weight as shown below. In paediatric uveitis, there is no experience in the treatment with Humira without concomitant treatment with methotrexate. See Table 6.
A loading dose of 40 mg for patients < 30 kg or 80 mg for patients ≥ 30 kg may be administered one week prior to the start of maintenance therapy. No clinical data are available on the use of a loading dose for Humira in children less than 6 years of age.
There is no relevant use of Humira in children aged less than 2 years in this indication.
It is recommended that the benefit and risk of continued long-term treatment should be evaluated on a yearly basis.

4.3 Contraindications

Humira should not be administered to patients with known hypersensitivity to Humira or any of its excipients.
Humira is contraindicated in severe infections including sepsis, active tuberculosis and opportunistic infections (see Section 4.4 Special Warnings and Precautions for Use).
Concurrent administration of Humira and anakinra (interleukin-1 receptor antagonist) is contraindicated (see Section 4.4 Special Warnings and Precautions for Use).
Moderate to severe heart failure (NYHA class III/IV).

4.4 Special Warnings and Precautions for Use

Infections.

Serious infections, due to bacterial, mycobacterial, invasive fungal (disseminated or extrapulmonary histoplasmosis, aspergillosis, coccidioidomycosis), viral, parasitic or other opportunistic infections such as listeriosis, legionellosis and pneumocystis have been reported in patients receiving TNF blocking agents, including Humira. Sepsis, rare cases of tuberculosis and candidiasis have also been reported with the use of TNF antagonists, including Humira. Other serious infections seen in clinical trials include pneumonia, pyelonephritis, septic arthritis and septicaemia. Hospitalisation or fatal outcomes associated with infections have been reported. Many of the serious infections have occurred in patients on concomitant immunosuppressive therapy that, in addition to their underlying disease could predispose them to infections.
Treatment with Humira should not be initiated in patients with active infections including chronic or localised infections until infections are controlled. In patients who have been exposed to tuberculosis, and patients who have travelled in areas of high risk of tuberculosis or endemic mycoses, such as histoplasmosis, coccidioidomycosis or blastomycosis, the risk and benefits of treatment with Humira should be considered prior to initiating therapy (see Other opportunistic infections).
Patients should be monitored closely for infections including tuberculosis before, during and after treatment with Humira.
Patients who develop a new infection while undergoing treatment with Humira should be monitored closely and undergo a complete diagnostic evaluation. Administration of Humira should be discontinued if a patient develops a new serious infection or sepsis, and appropriate antimicrobial or antifungal therapy should be initiated. Physicians should exercise caution when considering the use of Humira in patients with a history of recurring infection or with underlying conditions which may predispose patients to infections.

Hepatitis B virus.

Use of TNF blockers, including Humira, has been associated with reactivation of hepatitis B virus (HBV) in patients who are chronic carriers of this virus. In some instances, HBV reactivation occurring in conjunction with TNF blocker therapy has been fatal. The majority of these reports have occurred in patients concomitantly receiving other medications that suppress the immune system, which may also contribute to HBV reactivation. Patients at risk for HBV infection should be evaluated for evidence of prior HBV infection before initiating TNF blocker therapy. Prescribers should exercise caution in prescribing TNF blockers for patients identified as carriers of HBV. Patients who are carriers of HBV and require treatment with TNF blockers should be closely monitored for signs and symptoms of active HBV infection throughout therapy and for several months following termination of therapy. Adequate data are not available on the safety or efficacy of treating patients who are carriers of HBV with antiviral therapy in conjunction with TNF blocker therapy to prevent HBV reactivation. In patients who develop HBV reactivation, Humira should be stopped and effective antiviral therapy with appropriate supportive treatment should be initiated.

Tuberculosis.

Tuberculosis including reactivation and new onset of tuberculosis, has been reported in patients receiving Humira. Reports included cases of pulmonary and extrapulmonary (i.e. disseminated).
Before initiation of therapy with Humira, all patients should be evaluated for both active and inactive (latent) tuberculosis infection. This evaluation should include a detailed medical assessment of patient history of tuberculosis or possible previous exposure to people with active tuberculosis and previous and/or current immunosuppressive therapy. Appropriate screening tests (e.g. chest X-ray and tuberculin skin test) should be performed in accordance with local recommendations. Treatment of latent tuberculosis infections should be initiated prior to therapy with Humira. When tuberculin skin testing is performed for latent tuberculosis infection, an induration size of 5 mm or greater should be considered positive, even if vaccinated previously with Bacille Calmette-Guerin (BCG).
The possibility of undetected latent tuberculosis should be considered especially in patients who have immigrated from or travelled to countries with a high prevalence of tuberculosis or who had close contact with a person with active tuberculosis.
If active tuberculosis is diagnosed, Humira therapy must not be initiated.
If latent tuberculosis is diagnosed, appropriate treatment must be started with anti-tuberculosis prophylactic treatment before the initiation of Humira in accordance with local recommendations. Use of anti-tuberculosis prophylactic treatment should also be considered before the initiation of Humira in patients with several or significant risk factors for tuberculosis despite a negative test for tuberculosis and in patients with a past history of latent or active tuberculosis in whom an adequate course of treatment cannot be confirmed. The decision to initiate anti-tuberculosis therapy in these patients should only be made after taking into account both the risk for latent tuberculosis infection and the risks of anti-tuberculosis therapy. If necessary, consultation should occur with a physician with expertise in the treatment of tuberculosis. The benefit/ risk balance of therapy with Humira should be very carefully considered.
Anti-tuberculosis treatment of patients with latent tuberculosis infection reduces the risk of reactivation in patients receiving treatment with Humira. Despite prophylactic treatment for tuberculosis, cases of reactivated tuberculosis have occurred in patients treated with Humira. Also, active tuberculosis has developed in patients receiving Humira whose screening for latent tuberculosis infection was negative, and some patients who have been successfully treated for active tuberculosis have redeveloped tuberculosis while being treated with TNF blocking agents.
Patients receiving Humira should be monitored for signs and symptoms of active tuberculosis, particularly because tests for latent tuberculosis infection may be falsely negative. The risk of false negative tuberculin skin test results should be considered, especially in patients who are severely ill or immunocompromised.
Patients should be instructed to seek medical advice if signs/ symptoms suggestive of a tuberculosis infection (e.g. persistent cough, wasting/ weight loss, low grade fever) occur during or after therapy with Humira.

Other opportunistic infections.

Opportunistic infections, including invasive fungal infections, have been observed in patients receiving Humira. These infections are not consistently recognised in patients taking TNF blockers and this has resulted in delays in appropriate treatment, sometimes resulting in fatal outcomes.
Patients taking TNF blockers are more susceptible to serious fungal infections such as histoplasmosis, coccidioidomycosis, blastomycosis, aspergillosis, candidiasis and other opportunistic infections. Those who develop fever, malaise, weight loss, sweats, cough, dyspnoea, and/or pulmonary infiltrates, or other serious systemic illness with or without concomitant shock should promptly seek medical attention for a diagnostic evaluation.
For patients who reside or travel in regions where mycoses are endemic, invasive fungal infections should be suspected if they develop the signs and symptoms of possible systemic fungal infection. Patients are at risk of histoplasmosis and other invasive fungal infections and hence clinicians should consider empiric antifungal treatment until the pathogen(s) are identified. Antigen and antibody testing for histoplasmosis may be negative in some patients with active infection. When feasible, the decision to administer empiric antifungal therapy in these patients should be made in consultation with a physician with expertise in the diagnosis and treatment of invasive fungal infections and should take into account both the risk for severe fungal infection and the risks of antifungal therapy. Patients who develop a severe fungal infection are also advised to stop the TNF blocker until infections are controlled.

Neurologic events.

Humira has been associated in rare cases with new onset or exacerbation of clinical symptoms and/or radiographic evidence of central nervous system demyelinating disease, including multiple sclerosis, and optic neuritis, and peripheral demyelinating disease, including Guillain Barré syndrome. Prescribers should exercise caution in considering the use of Humira in patients with pre-existing or recent-onset central or peripheral nervous system demyelinating disorders; discontinuation of Humira should be considered if any of these disorders develop.
There is a known association between intermediate uveitis and central demyelinating disorders. Neurologic evaluation should be performed in patients with noninfectious intermediate uveitis prior to the initiation of Humira therapy and regularly during treatment to assess for pre-existing or developing central demyelinating disorders.

Hypersensitivity reactions.

Serious allergic reactions associated with Humira were rare during clinical trials. Allergic reactions overall (e.g. allergic rash, anaphylactoid reaction, fixed drug reaction, nonspecific drug reaction, urticaria) have been observed in approximately 1% of patients. Reports of serious allergic reactions including anaphylaxis have been received following Humira administration. If an anaphylactic reaction or other serious allergic reaction occurs, administration of Humira should be discontinued immediately and appropriate therapy initiated.

Haematologic events.

Rare reports of pancytopaenia including aplastic anaemia have been reported with TNF blocking agents. Adverse events of the haematologic system, including medically significant cytopaenia (e.g. thrombocytopaenia, leukopaenia) have been infrequently reported with Humira (see Section 4.8 Adverse Effects (Undesirable Effects)). The causal relationship of these reports to Humira remains unclear. All patients should be advised to seek immediate medical attention if they develop signs and symptoms suggestive of blood dyscrasias or infection (e.g. persistent fever, bruising, bleeding, pallor) while on Humira. Discontinuation of Humira therapy should be considered in patients with confirmed significant haematologic abnormalities.

Immunosuppression.

The possibility exists for TNF blocking agents, including Humira, to affect host defenses against infections and malignancies since TNF mediates inflammation and modulates cellular immune responses. In a study of 64 patients with rheumatoid arthritis treated with Humira, there was no evidence of depression of delayed type hypersensitivity, depression of immunoglobulin levels, or change in enumeration of effector T- and B-cells and NK-cells, monocyte/ macrophages, and neutrophils. The impact of treatment with Humira on the development and course of malignancies, as well as active and/or chronic infections, is not fully understood. The safety and efficacy of Humira in patients with immunosuppression have not been evaluated. (See Section 4.4 Special Warnings and Precautions for Use, Infections; Section 4.8 Adverse Effects (Undesirable Effects), Infections, Malignancies.)

Vaccinations.

In a randomised, double-blind, placebo-controlled study in 226 adult rheumatoid arthritis patients treated with Humira, antibody responses to concomitant pneumococcal and influenza vaccines were assessed. Protective antibody levels to the pneumococcal antigens were achieved by 86% of patients in the Humira group compared to 82% in the placebo group. A total of 37% of Humira-treated subjects and 40% of placebo-treated subjects achieved at least a 2-fold increase in at least 3 out of 5 pneumococcal antigens. In the same study 98% of patients in the Humira group and 95% in the placebo group achieved protective antibody levels to the influenza antigens. A total of 52% of Humira-treated subjects and 63% of placebo-treated subjects achieved at least a 4-fold increase in at least 2 out of 3 influenza antigens.
Patients on Humira may receive concurrent vaccinations, except for live vaccines. No data are available on the secondary transmission of infection by live vaccines in patients receiving Humira.
Administration of live vaccines to infants exposed to Humira in utero is not recommended for 5 months following the mother's last Humira injection during pregnancy.
It is recommended that paediatric patients, if possible, be brought up to date with all immunisations in agreement with current immunisation guidelines prior to initiating Humira therapy.

Congestive heart failure.

In a clinical trial with another TNF antagonist worsening congestive heart failure and increased mortality due to congestive heart failure have been observed. Cases of worsening congestive heart failure have been reported in patients receiving Humira. Humira should be used with caution in patients with mild heart failure (NYHA class I/II). Humira is contraindicated in moderate or severe heart failure. Treatment with Humira must be discontinued in patients who develop new or worsening symptoms of congestive heart failure.

Malignancies.

In the controlled portions of clinical trials of TNF-antagonists, more cases of malignancies including lymphoma have been observed among patients receiving a TNF-antagonist, including Humira, compared with control patients (see Section 4.8 Adverse Effects (Undesirable Effects), Malignancies). However, the occurrence was rare. Furthermore, there is an increased background lymphoma risk in rheumatoid arthritis patients with longstanding, highly active inflammatory disease, which complicates the risk estimation.
Very rare postmarketing reports of hepatosplenic T-cell lymphoma (HSTCL), a rare aggressive lymphoma that is often fatal, have been identified in patients treated with adalimumab. Most of the patients had prior infliximab therapy as well as concomitant azathioprine or 6-mercaptopurine use for inflammatory bowel disease. The potential risk with the combination of azathioprine or 6-mercaptopurine and Humira should be carefully considered. The causal association of HSTCL with adalimumab is not clear.
With the current knowledge, a possible risk for the development of lymphomas or other malignancies in patients treated with a TNF antagonist cannot be excluded.
Malignancies, some fatal, have been reported among children and adolescents who received treatment with TNF-blocking agents. Approximately half the cases were lymphomas, including Hodgkin's and nonHodgkin's lymphoma. The other cases represented a variety of different malignancies and included rare malignancies usually associated with immunosuppression. The malignancies occurred after a median of 30 months of therapy. Most of the patients were receiving concomitant immunosuppressants. These cases were reported postmarketing and are derived from a variety of sources including registries and spontaneous postmarketing reports.
No studies have been conducted that include patients with a history of malignancy or that continue treatment in patients who develop malignancy while receiving Humira. Thus, additional caution should be exercised in considering Humira treatment for these patients.
In an exploratory clinical trial evaluating the use of another anti-TNF agent, infliximab, in patients with moderate to severe chronic obstructive pulmonary disease (COPD), more malignancies, mostly in the lung or head and neck, were reported in infliximab-treated patients compared with control patients. All patients had a history of heavy smoking. Therefore, caution should be exercised when using any TNF-antagonist in COPD patients, as well as in patients with an increased risk for malignancy due to heavy smoking.
All patients, and in particular patients with a medical history of extensive immunosuppressant therapy or psoriasis patients with a history of PUVA treatment, should be examined for the presence of non-melanoma skin cancer prior to and during treatment with Humira. Melanoma and Merkel cell carcinoma have also been reported in patients treated with TNF-antagonists including adalimumab (see Section 4.8 Adverse Effects (Undesirable Effects)).
Cases of acute and chronic leukaemia have been reported in association with postmarketing TNF blocker use in rheumatoid arthritis and other indications. Patients with rheumatoid arthritis may be at a higher risk (up to 2-fold) than the general population for the development of leukaemia, even in the absence of TNF-blocking therapy.
With current data it is not known if adalimumab treatment influences the risk for developing dysplasia or colon cancer. All patients with ulcerative colitis who are at increased risk for dysplasia or colon carcinoma (for example, patients with longstanding ulcerative colitis or primary sclerosing cholangitis), or who had a prior history of dysplasia or colon carcinoma should be screened for dysplasia at regular intervals before therapy and throughout their disease course. This evaluation should include colonoscopy and biopsies per local recommendations.

Autoimmune processes.

Treatment with Humira may result in the formation of autoantibodies and rarely in the development of a lupus-like syndrome. The impact of long-term treatment with Humira on the development of autoimmune disease is unknown. If a patient develops symptoms suggestive of a lupus-like syndrome following treatment with Humira, treatment should be discontinued (see Section 4.8 Adverse Effects (Undesirable Effects), Autoantibodies).

Concurrent administration of biologic DMARDs or TNF-antagonists.

Concurrent administration of etanercept and anakinra has been associated with an increased risk of serious infections, an increased risk of neutropenia and no additional benefit compared to these medicinal products alone. Because of the nature of the adverse events seen with the combination of etanercept and anakinra therapy, similar toxicities may also result from the combination of anakinra and other TNF-antagonists. Therefore, combination of adalimumab and anakinra is contraindicated.
Concomitant administration of adalimumab with other biologic DMARDs (e.g. anakinra and abatacept) or other TNF-antagonists is not recommended based upon the increased risk of infections including serious infections and other potential pharmacological interactions.

Use in psoriasis.

The safety and efficacy of adalimumab in combination with other systemic agents used in psoriasis or with phototherapy have not been studied. Adalimumab should not be used in combination with such agents.

Surgery.

There is limited safety experience of surgical procedures in patients treated with Humira. The long half-life of adalimumab should be taken into consideration if a surgical procedure is planned. A patient who requires surgery while on Humira should be closely monitored for infections, and appropriate actions should be taken. There is limited safety experience in patients undergoing arthroplasty while receiving Humira.

Use in hepatic impairment.

Humira has not been studied in these patient populations. No dose recommendations can be made.

Use in renal impairment.

Humira has not been studied in these patient populations. No dose recommendations can be made.

Use in the elderly.

Of the total number of subjects in clinical studies of Humira 10.4% were 65 years and over, while approximately 2.2% were 75 and over. A total of 519 RA patients 65 years of age and older, including 107 patients 75 years and older, received Humira in clinical RA studies I-IV. No overall difference in effectiveness was observed between these subjects and younger subjects. The frequency of serious infection and malignancy among Humira-treated subjects over age 65 was higher than for those under age 65. Because there is a higher incidence of infections and malignancies in the elderly population in general, caution should be used when treating the elderly (see Section 4.2 Dose and Method of Administration).

Paediatric use.

The safety and efficacy of Humira has not been established in other forms of JIA such as systemic JIA or oligoarticular JIA. The long-term effects of Humira on the growth and development of children have not been studied. Treatment with Humira should only be initiated in patients with paediatric Crohn's disease following diagnosis by a specialist gastroenterologist, where other diseases with potentially similar presentations (e.g. inflammatory bowel disease (IBD) associated with chronic granulomatous disease) have been ruled out. Humira has not been studied in children with Crohn's disease aged less than 6 years.

Effects on laboratory tests.

There is no known interference between Humira and laboratory tests.

4.5 Interactions with Other Medicines and Other Forms of Interactions

Humira has been studied in RA patients taking concomitant methotrexate (see Section 5.1 Pharmacodynamic Properties, Clinical trials, Steady state). The data do not suggest the need for dose adjustment of either Humira or methotrexate. Interactions between Humira and drugs other than methotrexate have not been evaluated in formal pharmacokinetic studies. Concurrent administration of TNF-alpha inhibitors with anakinra or abatacept has been associated with an increased risk of serious infections (see Section 4.4 Special Warnings and Precautions for Use).

4.6 Fertility, Pregnancy and Lactation

Effects on fertility.

The effect of adalimumab on fertility has not been investigated.
(Category C)
Due to its inhibition of TNF-alpha, adalimumab administered during pregnancy could affect immune response in the in utero exposed newborn and infant. Data from eight infants exposed to adalimumab in utero suggest it crosses the placenta. Consequently, these infants may be at increased risk for infection. Administration of live vaccines to infants exposed to adalimumab in utero is not recommended for 5 months following the mother's last adalimumab injection during pregnancy.
There are no adequate and well-controlled studies in pregnant women and therefore adalimumab should only be used during pregnancy if clearly needed. Women of child bearing potential should consider the use of adequate contraception to prevent pregnancy and continue for at least 5 months after the last Humira treatment.
In a prospective cohort pregnancy exposure registry, 257 women with RA or CD treated with adalimumab at least during the first trimester and 120 women with RA or CD not treated with adalimumab were enrolled.
There were no significant differences in the overall rates for the primary endpoint of major birth defects (adjusted odds ratio 0.84, 95% confidence interval (CI) 0.34, 2.05) as well as the secondary endpoints which included minor birth defects, spontaneous abortion, preterm delivery, low birth weight, and serious or opportunistic infections. No stillbirths or malignancies were reported.
Although the registry has methodological limitations, including small sample size and non-randomised study design, the data show no increased risk of adverse pregnancy outcomes in women with RA or CD treated with adalimumab in comparison to women with RA or CD not treated with adalimumab. In addition, data from postmarketing surveillance does not establish the presence of a drug-associated risk.
Results obtained with a very high intravenous adalimumab dose (100 mg/kg/week) in an embryofetal toxicity study in cynomolgus monkeys were inconclusive. No developmental toxicity was observed with an intravenous dose of 30 mg/kg/week which resulted in a serum drug concentration greater than 100-fold higher than the maximum value expected during therapy during 40 mg fortnightly. Parturition was unaffected by both doses.
 Limited information from three cases in the published literature indicates that adalimumab is excreted in breast milk at very low concentrations with the presence of adalimumab in human milk at concentrations of 0.1% to 1% of the maternal serum level. Published data suggest that the systemic exposure to a breastfed infant is expected to be low because adalimumab is a large molecule and is degraded in the gastrointestinal tract. However, the effects of local exposure in the gastrointestinal tract are unknown. There are no reports of adverse effects of adalimumab on the breastfed infant and no effects on milk production. The developmental and health benefits of breastfeeding should be considered along with the mother's clinical need for adalimumab and any potential adverse effects on the breastfed child from adalimumab or from the underlying maternal condition.

4.7 Effects on Ability to Drive and Use Machines

No studies on the effects on the ability to drive and use machines have been performed.

4.8 Adverse Effects (Undesirable Effects)

Reporting suspected adverse effects.

Reporting suspected adverse reactions after registration of the medicinal product is important. It allows continued monitoring of the benefit-risk balance of the medicinal product. Healthcare professionals are asked to report any suspected adverse reactions at http://www.tga.gov.au/safety/reporting-problems.

Clinical trials.

Humira was studied in 9316 patients in controlled and open label trials. These trials included rheumatoid arthritis patients with short-term and longstanding disease, juvenile idiopathic arthritis (polyarticular juvenile idiopathic arthritis and enthesitis-related arthritis) as well as psoriatic arthritis, ankylosing spondylitis, Crohn's disease, ulcerative colitis, psoriasis, hidradenitis suppurativa and uveitis patients. The pivotal controlled studies involved 5994 patients receiving Humira and 3704 patients receiving placebo or active comparator during the controlled period.
The proportion of patients who discontinued treatment due to adverse events during the double-blind, controlled portion of pivotal studies across all indications was 5.9% for patients taking Humira and 5.5% for control-treated patients. The proportion of patients who discontinued treatment due to adverse events during the double-blind, placebo-controlled portion of RA studies I, II, III and IV was 6.6% for patients taking Humira and 4.2% for placebo-treated patients.
Approximately 13% of patients can be expected to experience injection site reactions, based on the most common adverse event with adalimumab in controlled clinical studies.
Adverse events at least possibly causally related to adalimumab for clinical studies, both clinical and laboratory, are displayed by system organ class and frequency (very common: ≥ 1/10; common: ≥ 1/100 to < 1/10; uncommon: ≥ 1/1000 to < 1/100; and rare ≥ 1/10,000 to < 1/1000) in Table 7.
The highest frequency seen among the various indications has been included.
Table 7 contains adverse drug reactions (ADRs), which in some cases represent groups of related preferred terms to represent a medical concept. The ADRs presented in Table 7 were included based on criteria including statistical significance, doubling in rate in adalimumab treated patients compared to placebo-treated patients, a rate greater than 1% for adalimumab treated patients and medical importance assessment.

Rheumatoid arthritis.

Table 8 contains adverse reactions reported in at least 1% of RA patients with higher incidence (≥ 1%) in patients treated with adalimumab compared to control in 4 placebo-controlled RA trials (RA study I-IV). In general, the adverse reactions across all indications were similar to those seen in RA patients.

Polyarticular juvenile idiopathic arthritis.

In general, the adverse events in paediatric patients were similar in frequency and type to those seen in adult patients.

Hidradenitis suppurativa.

The safety profile for patients with hidradenitis suppurativa treated with Humira weekly was consistent with the known safety profile of Humira.

Uveitis.

The safety profile for patients with noninfectious uveitis treated with Humira was consistent with the known safety profile of Humira.

Study V (DE013).

The safety profile for patients with rheumatoid arthritis treated with Humira for up to 10 years was consistent with the known safety profile of Humira. The following adverse events were observed in the study: RA (worsening of RA) in 32.6% patients (corresponding to 13.2 events per 100 patient years), arthralgia in 19.5% (5.9 E/100 PY), bronchitis in 16.2% (5.4 E/100 PY), diarrhoea in 15.1% (4.0 E/100 PY), fatigue in 14.1% (3.1 E/100 PY), pain in extremity in 10.6% (2.5 E/100 PY), osteoarthritis in 10.5% (3.1 E/100 PY), dizziness in 9.8% (2.4 E/100 PY), contusion in 7.3% (1.6 E/100 PY), fall in 6.7% (1.6 E/100 PY), cataract in 6% (1.5 E/100 PY), and tendonitis in 6% (1.5 E/100 PY). These events were not considered adverse drug reactions in that they were not observed in a statistically significantly higher percentage of patients in the Humira group than in the control (methotrexate) group.

Description of selected adverse reactions.

Injection site reactions.

In the pivotal controlled trials, in adults and children, 12.9% of patients treated with Humira developed injection site reactions (erythema and/or itching, haemorrhage, pain or swelling), compared to 7.3% of patients receiving control treatments. Most injection site reactions were described as mild and generally did not necessitate drug discontinuation.

Infections.

In pivotal controlled trials in adults and children, the rate of infection was 1.51 per patient year in the Humira-treated patients and 1.46 per patient year in the control-treated patients. The infections consisted primarily of nasopharyngitis, upper respiratory tract infections, and sinusitis. Most patients continued on Humira after the infection resolved. The incidence of serious infections was 0.04 per patient year in Humira-treated patients and 0.03 per patient year in control-treated patients.
In the controlled and open label adult and paediatric studies with Humira, serious infections (including fatal infections, which occurred rarely) have been reported, which include reports of tuberculosis (including miliary and extrapulmonary locations) and invasive opportunistic infections (e.g. disseminated histoplasmosis, Pneumocystis carinii pneumonia, aspergillosis and listeriosis). Most, but not all of the cases of tuberculosis occurred within the first eight months after initiation of therapy and may reflect recrudescence of latent disease.

Malignancies.

During the controlled portions of pivotal Humira trials in adults at least 12 weeks in duration in patients with moderately to severely active rheumatoid arthritis, psoriatic arthritis, ankylosing spondylitis, Crohn's disease, ulcerative colitis, psoriasis, hidradenitis suppurativa and uveitis malignancies, other than lymphoma and non-melanoma skin cancer, were observed at a rate (95% confidence interval) of 6.9 (4.4, 10.6) per 1000 patients years among 5196 Humira-treated patients versus a rate of 6.4 (3.5, 11.9) per 1000 patient years among 3347 control patients (median duration of treatment was 4.0 months for Humira and 3.9 months for control-treated patients).
The rate (95% confidence interval) of nonmelanoma (basal cell and squamous cell) skin cancers was 8.9 (6.1, 13.1) per 1000 patient years among Humira-treated patients and 3.2 (1.3, 7.7) per 1000 patient years among control patients. Of these skin cancers, squamous cell carcinomas occurred at rates (95% confidence interval) of 2.7 (1.4, 5.5) per 1000 patient years among Humira-treated patients and 0.6 (0.1, 4.6) per 1000 patient years among control patients.
The rate (95% confidence interval) of lymphomas was 0.7 (0.2, 2.7) per 1000 patient years among Humira-treated patients and 0.6 (0.1, 4.6) per 1000 patient years among control patients.
When combining controlled portions of these trials and ongoing open label extension studies with a median duration of approximately 3.3 years including 6279 patients and over 26,045 patient years of therapy, the observed rate of malignancies, other than lymphoma and non-melanoma skin cancers is approximately 8.6 per 1000 patient years. The observed rate of non-melanoma skin cancers is approximately 9.8 per 1000 patient years and the observed rate of lymphomas is approximately 1.3 per 1000 patient years.
No malignancies were observed in 217 paediatric patients with an exposure of 610.4 patient years during Humira trials in patients with juvenile idiopathic arthritis (polyarticular juvenile idiopathic arthritis and enthesitis related arthritis).
In addition, no malignancies were observed in 192 paediatric patients with an exposure of 258.9 patient years during a Humira trial in paediatric patients with Crohn's disease.
No malignancies were observed in 77 paediatric patients with an exposure of 80.0 patient years during a Humira trial in paediatric patients with plaque psoriasis.
No malignancies were observed in 60 paediatric patients with an exposure of 58.4 patient years during a Humira trial in paediatric patients with uveitis.
In postmarketing experience from January 2003 to December 2010, predominantly in patients with rheumatoid arthritis, the reported rate of malignancies is approximately 2.7 per 1000 patient years. The reported rates for non-melanoma skin cancers and lymphomas is approximately 0.3 per 1000 patient years.
Rare postmarketing cases of hepatosplenic T-cell lymphoma have been reported in patients treated with adalimumab (see Section 4.4 Special Warnings and Precautions for Use).

Autoantibodies.

Patients had serum samples tested for autoantibodies at multiple time points in rheumatoid arthritis studies I - V. In these adequate and well-controlled trials, 11.9% of patients treated with Humira and 8.1% of placebo and active control-treated patients that had negative baseline antinuclear antibody titres reported positive titres at week 24. Two patients out of 3989 treated with Humira in all rheumatoid and psoriatic arthritis, and ankylosing spondylitis studies developed clinical signs suggestive of new onset lupus-like syndrome. The patients improved following discontinuation of therapy. No patients developed lupus nephritis or central nervous system symptoms. The impact of long-term treatment with Humira on the development of autoimmune diseases is unknown.

Psoriasis: new onset and worsening.

Cases of new onset psoriasis, including pustular psoriasis and palmoplantar psoriasis, and cases of worsening of pre-existing psoriasis have been reported with the use of TNF blockers, including Humira. Many of these patients were taking concomitant immunosuppressants (e.g. MTX, corticosteroids). Some of these patients required hospitalisation. Most patients had improvement of their psoriasis following discontinuation of their TNF blocker. Some patients have had recurrences of the psoriasis when they were re-challenged with a different TNF blocker. Discontinuation of Humira should be considered for severe cases and those that do not improve or that worsen despite topical treatments.

Liver enzyme elevations.

Rheumatoid arthritis and psoriatic arthritis clinical trials.

In controlled phase 3 trials of Humira (40 mg fortnightly), in patients with RA and PsA with a control period duration ranging from 4 to 104 weeks, ALT elevations ≥ 3 x ULN occurred in 3.7% of Humira-treated patients and 1.6% of control-treated patients. Since many of the patients in these trials were also taking medications that cause liver enzyme elevations (e.g. NSAIDs, MTX), the relationship between Humira and the liver enzyme elevations is not clear.

Juvenile idiopathic arthritis clinical trials.

In a controlled phase 3 trial of Humira in patients with polyarticular JIA who were 4 to 17 years and enthesitis related arthritis who were 6 to 17 years, ALT elevations ≥ 3 x ULN occurred in 6.1% of Humira-treated patients and 1.3% of control-treated patients. Most ALT elevations occurred with concomitant methotrexate use. No ALT elevations ≥ 3 x ULN occurred in the phase 3 trial of Humira in patients with polyarticular JIA who were 2 to < 4 years or aged 4 years and above weighing < 15 kg.

Ankylosing spondylitis clinical trials.

In controlled phase 3 trials of Humira (40 mg fortnightly), in patients with ankylosing spondylitis with a control period of 12 to 24 weeks, ALT elevations ≥ 3 x ULN occurred in 2.44% of Humira-treated patients and 0.66% of control-treated patients.

Hidradenitis suppurativa clinical trials.

In controlled trials of Humira (initial doses of 160 mg at week 0 and 80 mg at week 2, followed by 40 mg every week starting at week 4), in patients with hidradenitis suppurativa with a control period duration ranging from 12 to 16 weeks, ALT elevations ≥ 3 x ULN occurred in 0.3% of Humira-treated patients and 0.6% of control-treated patients.

Crohn's disease clinical trials.

In controlled phase 3 trials of Humira (initial doses of 160 mg and 80 mg, or 80 mg and 40 mg on days 1 and 15, respectively, followed by 40 mg fortnightly), in patients with Crohn's disease with a control period duration ranging from 4 to 52 weeks, ALT elevations ≥ 3 x ULN occurred in 0.9% of Humira-treated patients and 0.9% of control-treated patients.

Paediatric Crohn's disease clinical trial.

In the phase 3 trial of Humira in patients with paediatric Crohn's disease which evaluated efficacy and safety of two bodyweight adjusted maintenance dose regimens following bodyweight adjusted induction therapy up to 52 weeks of treatment, ALT elevations ≥ 3 x ULN occurred in 2.6% (5/192) of patients of whom 4 were receiving concomitant immunosuppressants at baseline.

Ulcerative colitis clinical trials.

In controlled phase 3 trials of Humira (initial doses of 160 mg and 80 mg on days 1 and 15 respectively, followed by 40 mg fortnightly), in patients with ulcerative colitis with a control period duration ranging from 1 to 52 weeks, ALT elevations ≥ 3 x ULN occurred in 1.5% of Humira-treated patients and 1.0% of control-treated patients.

Psoriasis clinical trials.

In controlled phase 3 trials of Humira (initial dose of 80 mg then 40 mg fortnightly), in patients with plaque psoriasis with control a period duration ranging from 12 to 24 weeks, ALT elevations ≥ 3 x ULN occurred in 1.8% of Humira-treated patients and 1.8% of control-treated patients.

Paediatric patients with plaque psoriasis clinical trial.

No ALT elevations ≥ 3 x ULN occurred in the phase 3 trial.

Uveitis clinical trials.

In controlled trials of Humira (initial doses of 80 mg at week 0 followed by 40 mg fortnightly starting at week 1) in patients with uveitis with an exposure of 165.4 patient years and 119.8 patient years in Humira-treated and control-treated patients, respectively, ALT elevations ≥ 3 x ULN occurred in 2.4% of Humira-treated patients and 2.4% of control-treated patients.
In all indications patients with raised ALT were asymptomatic and in most cases elevations were transient and resolved on continued treatment. However, there have been very rare postmarketing reports of severe hepatic reactions including liver failure as well as less severe liver disorders that may precede liver failure, such as hepatitis including autoimmune hepatitis in patients receiving TNF blockers, including adalimumab.

Concurrent treatment with azathioprine/ 6-mercaptopurine.

In adult Crohn's disease studies, higher incidences of malignant and serious infection-related adverse events were seen with the combination of Humira and azathioprine/ 6-mercaptopurine compared with Humira alone.

Polyarticular juvenile idiopathic arthritis clinical trials.

In general, the adverse reactions in patients with polyarticular juvenile idiopathic arthritis (pJIA studies I and II) were similar in frequency and type to those seen in adult patients. Important findings and differences from adults are discussed in the following paragraphs.
In pJIA study I, Humira was studied in 171 patients, 4 to 17 years of age, with polyarticular juvenile idiopathic arthritis. Severe adverse reactions reported in the study included neutropenia, streptococcal pharyngitis, increased aminotransferases, herpes zoster, myositis, metrorrhagia and appendicitis. Serious infections were observed in 4% of patients within approximately 2 years of initiation of treatment with Humira and included cases of herpes simplex, pneumonia, urinary tract infection, pharyngitis, and herpes zoster.
In pJIA study I, 45% of patients experienced an infection while receiving Humira with or without concomitant methotrexate in the first 16 weeks of treatment. The types of infections reported in polyarticular juvenile idiopathic arthritis (JIA) patients were generally similar to those commonly seen in outpatient polyarticular JIA populations. Upon initiation of treatment, the most common adverse reactions occurring in this patient population treated with Humira were injection site pain and injection site reaction (19% and 16%, respectively). A less commonly reported adverse event in patients receiving Humira was granuloma annulare which did not lead to discontinuation of Humira treatment.
In the first 48 weeks of treatment in pJIA study I, nonserious hypersensitivity reactions were seen in approximately 6% of patients and included primarily localised allergic hypersensitivity reactions and allergic rash. Isolated mild to moderate elevations of liver aminotransferases (ALT more common than AST) were observed in patients with polyarticular JIA exposed to Humira alone; liver function tests (LFT) elevations were more frequent among those treated with the combination of Humira and methotrexate. In general, these elevations did not lead to discontinuation of Humira treatment.
In the pJIA study I, 10% of patients treated with Humira who had negative baseline anti-dsDNA antibodies developed positive titres after 48 weeks of treatment. No patient developed clinical signs of autoimmunity during the clinical trial.
Approximately 15% of patients treated with Humira developed mild to moderate elevations of creatine phosphokinase (CPK) in pJIA study I. Elevations exceeding 5 times the upper limit of normal were observed in several patients. CPK levels decreased or returned to normal in all patients. Most patients were able to continue Humira without interruption.
In pJIA study II, Humira was studied in 32 patients who were 2 to < 4 years of age or 4 years of age and older weighing < 15 kg with polyarticular JIA. Thirty-one of 32 patients (97%) received the required minimum of 24 weeks of Humira treatment. Patients were able to continue up to a maximum of 120 weeks of treatment. The safety profile for this patient population was similar to the safety profile seen in patients 4 to 17 years of age with polyarticular JIA.
In pJIA study II, 78% of patients experienced an infection while receiving Humira. These included nasopharyngitis, bronchitis, upper respiratory tract infection, otitis media, and were mostly mild to moderate in severity. Serious infections were observed in 9% of patients receiving Humira in the study and included dental caries, rotavirus gastroenteritis, and varicella.
In pJIA study II, nonserious allergic reactions were observed in 6% of patients and included intermittent urticaria and rash, which were all mild in severity.

Additional adverse reactions from postmarketing surveillance or phase IV clinical trials.

Adverse events have been reported during post-approval use of Humira. Because these events are reported voluntarily from a population of uncertain size, it is not always possible to reliably estimate their frequency or establish a causal relationship to Humira exposure. See Table 9.

4.9 Overdose

The maximum tolerated dose of Humira has not been established in humans. No dose-limiting toxicities have been observed during clinical trials with Humira. Multiple doses up to 10 mg/kg have been administered to patients in clinical trials without evidence of dose limiting toxicities. In case of over dosage, it is recommended that the patient be monitored for any signs or symptoms of adverse reactions or effects and appropriate symptomatic treatment instituted immediately.
For information on the management of overdose, contact the Poisons Information Centre on 13 11 26 (Australia).

5 Pharmacological Properties

5.1 Pharmacodynamic Properties

Tumour necrosis factor alpha (TNF-alpha) inhibitors.
ATC code: L04AB04.

Mechanism of action.

Adalimumab binds to TNF and neutralises the biological function of TNF by blocking its interaction with the p55 and p75 cell surface TNF receptors. TNF is a naturally occurring cytokine that is involved in normal inflammatory and immune responses. Elevated levels of TNF are found in the synovial fluid of rheumatoid arthritis (RA), including juvenile idiopathic arthritis (JIA), psoriatic arthritis (PsA) and ankylosing spondylitis (AS) patients and play an important role in both the pathologic inflammation and the joint destruction that are hallmarks of these diseases. Increased levels of TNF are also found in psoriasis (Ps) plaques, which contribute to the inflammatory response, to the proliferation and decreased maturation of keratinocytes and to the associated vascular damages that are characteristic of the disease.
Adalimumab also modulates biological responses that are induced or regulated by TNF, including changes in the levels of adhesion molecules responsible for leukocyte migration (ELAM-1, VCAM-1, and ICAM-1 with an IC50 of 1-2 x 10-10 M).

Pharmacodynamics.

After treatment with Humira, a rapid decrease in levels of acute phase reactants of inflammation (C-reactive protein (CRP) and erythrocyte sedimentation rate (ESR)) and serum cytokines (IL-6) was observed compared to baseline in patients with RA. In patients with Crohn's disease (CD), a decrease in CRP levels was observed by week 1. After 12 weeks of treatment with adalimumab, subjects with CD had lower levels of expression of TNF-alpha and the inflammatory markers, human leucocyte antigen (HLA-DR) and myeloperoxidase (MPO) in the colon but not in the ileum, compared with subjects with CD given placebo. Serum levels of matrix metalloproteinases (MMP-1 and MMP-3) that produce tissue remodelling responsible for cartilage destruction were also decreased after Humira administration. Patients treated with Humira usually experienced improvement in haematological signs of chronic inflammation. A rapid decrease in CRP levels was also observed in patients with polyarticular juvenile idiopathic arthritis, Crohn's disease, ulcerative colitis and hidradenitis suppurativa.
The serum adalimumab concentration efficacy relationship as measured by the American College of Rheumatology response criteria (ACR 20) appears to follow the Hill Emax equation as shown in Figure 1:
EC50 estimates ranging from 0.8 to 1.4 microgram/mL were obtained through pharmacokinetic/ pharmacodynamic modelling of swollen joint count, tender joint count and ACR 20 response from patients participating in phase II and III trials.

Steady-state.

Accumulation of adalimumab was predictable based on the half-life following SC administration of 40 mg of adalimumab fortnightly to patients with RA, with mean steady-state trough concentrations of approximately 5 microgram/mL (without concomitant methotrexate (MTX)) and 8 to 9 microgram/mL (with concomitant MTX), respectively. These trough concentration levels are well above the EC50 estimates of 0.8 to 1.4 microgram/mL and consistent with those at which ACR 20 responses appear to reach a maximum (see Figure 1). The serum adalimumab trough levels at steady state increased approximately proportionally with dose following 20, 40 and 80 mg fortnightly and every week SC dosing. In long-term studies with dosing for more than two years, there was no evidence of changes in clearance over time.
In patients with psoriasis, the mean steady-state trough concentration was 5 microgram/mL during adalimumab 40 mg fortnightly without concomitant methotrexate treatment (after an initial loading dose of 80 mg SC).
In adult patients with hidradenitis suppurativa, a dose of 160 mg Humira on week 0, followed by 80 mg on week 2, achieved serum adalimumab trough concentrations of approximately 7 to 8 microgram/mL at week 2 and week 4. The mean steady-state trough concentrations at week 12 through week 36 were approximately 8 to 10 microgram/mL during adalimumab 40 mg every week treatment.
In patients with Crohn's disease, the loading dose of 160 mg adalimumab on week 0 followed by 80 mg adalimumab on week 2 achieves serum adalimumab trough concentrations of approximately 12 microgram/mL at weeks 2 and 4. The mean steady-state trough concentration at weeks 24 and 56 were 6.6 microgram/mL and 7.2 microgram/mL, respectively. The range of trough concentrations in patients who received a maintenance dose of 40 mg adalimumab every fortnight was 0-21.7 microgram/mL.
In patients with ulcerative colitis, a loading dose of 160 mg adalimumab on week 0 followed by 80 mg adalimumab on week 2 achieves serum adalimumab trough concentrations of approximately 12 microgram/mL during the induction period. Mean steady-state trough levels of approximately 8 microgram/mL were observed in ulcerative colitis patients who received a maintenance dose of 40 mg Humira fortnightly in a 52-week study.
In patients with uveitis, a loading dose of 80 mg adalimumab on week 0 followed by 40 mg adalimumab fortnightly starting at week 1, resulted in mean steady-state concentrations of approximately 8 to 10 microgram/mL.
Population pharmacokinetic and pharmacokinetic/pharmacodynamics modelling and simulation predicted comparable adalimumab exposure and efficacy in patients treated with 80 mg fortnightly when compared with 40 mg weekly (including adult patients with RA, HS, UC, CD or Ps, adolescent patients with HS and paediatric patients ≥ 40 kg with CD).
Population pharmacokinetic analyses with data from over 1200 RA patients revealed a trend toward higher apparent clearance of adalimumab with increasing bodyweight and in patients who developed the presence of anti-adalimumab antibodies.
Minor increases in apparent clearance were predicted in RA patients receiving doses lower than the recommended dose, and in RA patients with high rheumatoid factor or CRP concentrations. These factors are not likely to be clinically important. However, there is a significant difference in mean apparent clearance in patients with Crohn's disease studied short-term (4 weeks: 13.1 mL/hr) vs. long-term (56 weeks: 16.8 mL/hr).

Clinical trials.

Clinical trials for rheumatoid arthritis.

Humira was evaluated in over 3000 patients in all rheumatoid arthritis clinical trials. Some patients were treated for greater than 60 months duration. The efficacy and safety of Humira were assessed in five randomised, double-blind and well-controlled studies. Injection site pain of Humira 40 mg/0.4 mL was assessed in two randomised, active control, single-blind, two-period crossover studies.
The primary endpoint in the efficacy studies was ACR 20 response, equating to an at least 20% improvement from baseline in tender joint count, swollen joint count, and at least 3 of the 5 remaining ACR core set measures: patient assessment of pain, patient global assessment of disease activity, physician global assessment of disease activity, patient self-assessed disability (HAQ), and erythrocyte sedimentation rate or CRP.
RA study I (DE009) evaluated 271 patients with moderately to severely active RA who were ≥ 18 years old, had failed therapy with at least one but no more than four disease modifying anti-rheumatic drugs (DMARDs) and had insufficient efficacy with methotrexate at doses of 12.5 to 25 mg (10 mg if methotrexate-intolerant) every week and whose methotrexate dose remained constant at 10 to 25 mg every week. Patients had ≥ 6 swollen joints and ≥ 9 tender joints and RA diagnosed according to ACR criteria. Doses of 20, 40 or 80 mg of Humira or placebo were given fortnightly for 24 weeks.
RA study II (DE011) evaluated 544 patients with moderately to severely active RA who were ≥ 18 years old and had failed therapy with at least one DMARD. Patients, who were not permitted methotrexate or other DMARDs during the study, had ≥ 10 swollen joints and ≥ 12 tender joints and were also diagnosed according to ACR criteria. Doses of 20 or 40 mg of Humira were given by subcutaneous injection fortnightly with placebo on alternative weeks or every week for 26 weeks; placebo was given every week for the same duration.
RA study III (DE019) evaluated 619 patients with moderately to severely active RA who were ≥ 18 years old, had insufficient efficacy to methotrexate at doses of 12.5 to 25 mg (10 mg if methotrexate intolerant) every week and whose methotrexate dose remained constant at 12.5 to 25 mg every week. Patients had ≥ 6 swollen joints and ≥ 9 tender joints and RA diagnosed according to ACR criteria. There were three groups in this study. The first received placebo injections every week for 52 weeks. The second received 20 mg of Humira every week for 52 weeks. The third group received 40 mg of Humira fortnightly with placebo injections on alternate weeks. Upon completion of the first 52 weeks, 457 patients enrolled in an open-label extension phase in which 40 mg of Humira/MTX was administered fortnightly, for up to 5 years. The objectives of this open label extension were to evaluate the long-term safety and maintenance of efficacy of Humira in subjects with RA receiving concurrent MTX. The maintenance of efficacy was assessed by evaluating the effect of Humira on the signs and symptoms of RA, physical function, structural damage, rates of clinical remission and patient-reported outcomes. Of the 457 patients who entered the open label extension, 53/457 (11.6%) subjects discontinued the study due to adverse events and 16/457 (3.5%) subjects discontinued because of a lack of efficacy/ disease progression.
RA study IV (DE031) primarily assessed safety in 636 patients with moderately to severely active RA who were ≥ 18 years old. These patients met the ACR criteria for diagnosis of RA for at least three months and had at least 6 swollen joints and 9 tender joints. Patients were permitted to be either DMARD naïve or to remain on their pre-existing rheumatologic therapy provided that therapy was stable for a minimum of 28 days. Patients were randomised to 40 mg of Humira or placebo fortnightly for 24 weeks.
RA study V (DE013) was an active comparator trial of 2 years duration, which randomised 799 adult methotrexate (MTX) naïve patients with early RA (mean disease duration less than 9 months) to treatment with adalimumab 40 mg fortnightly alone, methotrexate up to 20 mg/week alone, or the combination of the two for 104 weeks. Upon completion of the first 104 weeks, 497 patients enrolled in an open-label extension phase in which 40 mg of adalimumab was administered fortnightly for up to 10 years. 31.5% of patients in the MTX group, 33.2% in the adalimumab group and 32.5% in the combination group had taken previous DMARDs. The mean duration of RA was 0.8 years, 0.7 years and 0.7 years in the MTX alone, adalimumab alone and combination groups, respectively. The mean Tender Joint Count (TJC 68) at baseline was 32.3, 31.8 and 30.7 for the three groups, and the Erosion Score was 13.6, 11.3 and 11.0, respectively.
RA Studies VI and VII each evaluated 60 patients with moderately to severely active rheumatoid arthritis who were ≥ 18 years old. Enrolled patients were either current users of Humira 40 mg/0.8 mL and rated their average injection site pain as at least 3 cm (on a 0-10 cm VAS) or were biologic-naïve patients who were starting Humira 40 mg/0.8 mL. Patients were randomised to receive a single dose of Humira 40 mg/0.8 mL or Humira 40 mg/0.4 mL, followed by a single injection of the opposite treatment at their next dose.
Results of RA Study I-V were expressed in percentage of patients with improvement in RA using ACR response criteria. The primary endpoint in RA studies I, II and III and the secondary endpoint in RA study IV was the percent of patients who achieved an ACR 20 response at week 24 or 26. The primary endpoint in RA study V was the percent of patients who achieved an ACR 50 response at week 52. RA studies III and V had an additional primary endpoint at 52 weeks of retardation of disease progression (as detected by X-ray results). RA study III also had a primary endpoint of changes in quality of life. The primary endpoint in RA studies VI and VII was injection site pain immediately after injection as measured by a 0-10 cm VAS.
Clinical response.

RA studies I, II and III.

The percent of Humira-treated patients achieving ACR 20, 50 and 70 responses was consistent across all three trials. The results for the 40 mg fortnightly dose are summarised in Table 10.
Patients receiving Humira 40 mg every week in RA study II also achieved statistically significant ACR 20, 50 and 70 response rates of 53.4%, 35.0% and 18.4%, respectively, at six months. See Figure 2.
The results of the components of the ACR response criteria for RA study III are shown in Table 11. ACR response rates and improvement in all ACR response criteria were maintained to week 104. Over the 2 years in RA study III, 20% of Humira patients achieved a major clinical response, defined as maintenance of an ACR 70 response over a > 6 month period.
In RA study III, 84.7% of patients with ACR 20 responses at week 24 maintained the response at 52 weeks. Clinical responses were maintained for up to 5 years in the open-label portion of RA study III. ACR responses observed at week 52 were maintained or increased through 5 years of continuous treatment with 22% (115/534) of patients achieving major clinical response. A total of 372 (67.8%) subjects had no change in their methotrexate dose during the study, 141 (25.7%) subjects had a dose reduction and 36 (6.6%) subjects required a dose increase. A total of 149 (55.6%) subjects had no change in their corticosteroid dose during the study, 80 (29.9%) subjects had a dose reduction and 39 (14.6%) subjects required a dose increase. Figures 2 and 3 illustrate the durability of ACR 20 responses to Humira in RA studies III and II.

RA study IV.

The ACR 20 response of patients treated with Humira plus standard of care was statistically significantly better than patients treated with placebo plus standard of care (p < 0.001).
In RA studies I-IV, Humira-treated patients achieved statistically significant ACR 20 and 50 responses compared to placebo as early as 1-2 weeks after initiation of treatment.

RA study V.

In RA study V for early rheumatoid arthritis patients who were methotrexate naïve, combination therapy with Humira plus methotrexate led to significantly greater ACR responses than methotrexate monotherapy at week 52 and responses were sustained at week 104 (see Table 12).
At week 52 all individual components of the ACR response criteria improved with Humira/ methotrexate therapy and improvements were maintained to week 104.
Over the two-year study, 48.5% patients who received Humira/ methotrexate combination therapy achieved a major clinical response (ACR 70 for > six continuous months) compared to 27.2% of patients who received methotrexate monotherapy (p < 0.001).
In the open-label extension for RA study V, ACR responses were maintained when followed for up to 10 years. However, no statistical hypothesis was tested in the OLE period. Of 542 patients who were randomised to Humira 40 mg fortnightly, 170 patients continued on Humira 40 mg fortnightly for 10 years. Among those, 154 patients (90.6%) had ACR20 responses; 127 patients (74.7%) had ACR50 responses and 102 patients (60.0%) had ACR70 responses.
In RA study V, Humira/ methotrexate combination therapy was superior to methotrexate monotherapy in achieving clinical remission defined as Disease Activity Score (DAS28) (CRP) < 2.6 at week 52 (see Table 13).
Of the 342 subjects originally randomised to Humira monotherapy or Humira/methotrexate combination therapy who entered the open-label extension study, 171 subjects completed 10 years of Humira treatment. Among those, 109 subjects (63.7%) were reported to be in remission at 10 years.
Radiographic response. In RA study III, Humira-treated patients had a mean duration of rheumatoid arthritis for approximately 11 years and a mean ± standard deviation baseline modified Total Sharp Score for the 40 mg fortnightly group of 72.1 ± 60.7 and placebo group of 66.4 ± 47.4. Structural joint damage was assessed radiographically and expressed as change in modified Total Sharp Score (TSS) and its components, erosion score and joint space narrowing score (JSN) at month 12 compared to baseline. Humira/ methotrexate-treated patients demonstrated less radiographic progression than patients receiving placebo/ methotrexate (see Table 14).
In the open-label extension of RA study III, 77% of the original patients treated with any dose of Humira were evaluated radiographically at 2 years. Patients maintained inhibition of structural damage, as measured by the TSS; 54% had no progression of structural damage as defined by a change in the TSS of zero or less.
Fifty-five percent (113/207) of patients originally treated with 40 mg Humira fortnightly have been evaluated radiographically at 5 years. Patients had continued inhibition of structural damage with approximately 50% (57/113) showing no progression of structural damage defined by a change in the TSS of zero or less.
In RA study V, Humira-treated patients had a mean duration of rheumatoid arthritis of less than 9 months and had not previously received methotrexate. Structural joint damage was assessed radiographically and expressed as change in modified Total Sharp Score. The week 52 results are shown in Table 15. A statistically significant difference for change in modified Total Sharp Score and the erosion score was observed at week 52 and maintained at week 104.
In the open-label extension of RA study V, the mean change from baseline at Year 10 in the modified Total Sharp Score was 10.8, 9.2 and 3.9 in patients originally randomised to methotrexate monotherapy, Humira monotherapy and Humira/methotrexate combination therapy, respectively. The corresponding proportions of patients with no radiographic progression were 31.3%, 23.7% and 36.7% respectively.
Physical function. Health related quality of life and physical function was assessed using the disability index of the Stanford Health Assessment Questionnaire (HAQ), which was a pre-specified primary endpoint at week 52 in RA study III.
The HAQ was developed as a disease-specific outcome measure for rheumatoid arthritis and has been extensively studied in RA. HAQ has been shown to correlate with mortality, work disability, functional limitations, pain, fatigue and psychological relief. The score is based on 8 questions and normalised to a scale of 0 to 3, where higher scores indicate more disability, and lower scores indicate less disability. Studies have shown that a change in HAQ score of 0.22 or greater represents an improvement in disability that is perceptible and meaningful to the patient. All doses/ schedules of Humira in RA study III showed statistically significantly greater improvement in the disability index of the HAQ from baseline to month 6 compared to placebo and the same was seen at week 52.
There were 619 patients enrolled in RA study III also known as the DE019 study. The patients were divided into three groups. The first group received placebo injections every week for 52 weeks. The second group received 20 mg of Humira every week for 52 weeks. The third group received 40 mg of Humira fortnightly with placebo injections on alternate weeks. Upon completion of the first 52 weeks, 457 patients enrolled in an open label extension phase (DE019 OLE) in which 40 mg of Humira/MTX was administered fortnightly. Maintenance of physical function was defined as maintaining a reduction in HAQ of -0.5 over the second year of active treatment.

Results.

In RA study III, the mean (95% CI) improvement in HAQ from baseline at week 52 was -0.60 (-0.65, -0.55) for the Humira patients and -0.25 (-0.33, -0.17) for the placebo/MTX (p < 0.001) patients. At week 104, the mean improvement in HAQ from baseline was -0.70 (-0.8, -0.6) for the Humira patients. See Table 16.
At year 2, 94/207 (45.4%) of patients who originally entered the study achieved a -0.5 reduction in HAQ. 79.5% (115/195) of the patients who achieved a reduction in HAQ of -0.5 at the end of one year of Humira treatment maintained this response over 5 years of active treatment.
Quality of life. Results from the Short Form Health Survey (SF-36) for all doses/ schedules of Humira in all four studies support these findings, with statistically significant Physical Component Summary (PCS) scores, as well as statistically significant pain and vitality domain scores for the 40 mg fortnightly dose. A statistically significant decrease in fatigue as measured by Functional Assessment of Chronic Illness Therapy (FACIT) scores was seen in all three studies in which it was assessed (RA studies I, III, IV). Improvement in SF-36 was measured up to week 156 (3 years) and improvement was maintained through this time.
In RA study V, the active comparator controlled study in early rheumatoid arthritis, the improvement in the HAQ disability index and the physical component of the SF-36 showed greater improvement (p < 0.001) for Humira/ methotrexate combination therapy versus methotrexate monotherapy at week 52, which was maintained through week 104. Among the 250 subjects who completed the open-label extension study, improvements in physical function (measured by HAQ-DI response) were maintained through 10 years of treatment. No statistical hypothesis was tested in the OLE phase.
Injection site pain. For the pooled crossover RA studies VI and VII, a statistically significant difference for injection site pain immediately after dosing was observed between Humira 40 mg/0.8 mL and Humira 40 mg/0.4 mL (mean VAS of 3.7 cm versus 1.2 cm, scale of 0-10 cm, P < 0.001). This represented an 84% median reduction in injection site pain.

Clinical trials for juvenile idiopathic arthritis.

Polyarticular juvenile idiopathic arthritis (pJIA). The safety and efficacy of Humira was assessed in two clinical studies (pJIA studies I and II) in patients with active polyarticular or polyarticular-course juvenile idiopathic arthritis, who had a variety of JIA onset types (most frequently rheumatoid factor-negative polyarthritis, rheumatoid factor-positive polyarthritis or extended oligoarthritis).
pJIA study I. The safety and efficacy of Humira were assessed in a multi-centre, randomised, withdrawal, double-blind, parallel group study in 171 patients (4 to 17 years of age) with polyarticular juvenile idiopathic arthritis (JIA). In the study, the patients were stratified into two groups: MTX treated or non-MTX treated. All patients had to show signs of active moderate or severe disease despite previous treatment with NSAIDs, analgesics, corticosteroids, or DMARDs. Patients who received prior treatment with any biologic DMARDs were excluded from the study.
The study included four phases: an open-label lead in phase (OL-LI; 16 weeks), a double-blind randomised withdrawal phase (DB; 32 weeks), an open-label extension phase (OLE-BSA; up to 136 weeks), and an open label fixed dose phase (OLE-FD; 16 weeks). In the first three phases of the study, Humira was administered based on body surface area at a dose of 24 mg/m2 up to a maximum total body dose of 40 mg subcutaneously (SC) fortnightly. In the OLE-FD phase, the patients were treated with 20 mg of Humira SC fortnightly if their weight was less than 30 kg and with 40 mg of Humira SC fortnightly if their weight was 30 kg or greater. Patients remained on stable doses of NSAIDs and or prednisone (≤ 0.2 mg/kg/day or 10 mg/day maximum).
Patients demonstrating a Paediatric ACR 30 response at the end of OL-LI phase were randomised into the double-blind (DB) phase of the study and received either Humira or placebo fortnightly for 32 weeks or until disease flare. Disease flare was defined as a worsening of ≥ 30% from baseline in ≥ 3 of 6 Paediatric ACR core criteria, ≥ 2 active joints, and improvement of > 30% in no more than 1 of the 6 criteria. After 32 weeks or at the time of disease flare during the DB phase, patients were treated in the open-label extension phase based on the BSA regimen (OLE-BSA), before converting to a fixed dose regimen based on bodyweight (OLE-FD phase).

pJIA study I clinical response.

At the end of the 16 week OL-LI phase, 94% of the patients in the MTX stratum and 74% of the patients in the non-MTX stratum were Paediatric ACR 30 responders. In the DB phase significantly fewer patients who received Humira experienced disease flare compared to placebo, both without MTX (43% vs. 71%) and with MTX (37% vs. 65%). More patients treated with Humira continued to show Paediatric ACR 30/50/70 responses at week 48 compared to patients treated with placebo. Overall responses were generally better and, fewer patients developed antibodies when treated with the combination of Humira and MTX compared to Humira alone.
Paediatric ACR responses were maintained for up to six years in the OLE phase in patients who received Humira throughout the study. Overall, 19 patients were treated for 6 years or longer, with 11 of the 19 patients in the 4 to 12 year age group, and 8 of the 19 patients being between 13 and 17 years of age.
pJIA study II. The safety and efficacy of Humira was assessed in an open-label, multi-centre, uncontrolled study in 32 patients (2 to < 4 years old or aged 4 years and above weighing < 15 kg) with moderately to severely active polyarticular or polyarticular-course JIA. The patients received 24 mg/m2 body surface area (BSA) of Humira up to a maximum of 20 mg fortnightly as a single dose via SC injection for at least 24 weeks. During the study, most patients used concomitant MTX, with fewer reporting use of corticosteroids or NSAIDs.

pJIA study II clinical response.

At week 12 and week 24, Paediatric ACR 30 response was 93.5% and 90.0%, respectively, using the observed data approach. The proportions of patients with Paediatric ACR 50/70/90 at week 12 and week 24 were 90.3%/ 61.3%/ 38.7% and 83.3%/ 73.3%/ 36.7%, respectively. Amongst those who responded (Paediatric ACR 30) at week 24 (n = 27 out of 30 patients), the Paediatric ACR 30 responses were maintained for up to 60 weeks in patients who continued with Humira treatment throughout this time period. Overall, 20 patients were treated for 60 weeks or longer.
The long-term effects of Humira on the growth and development of children have not been studied.
Enthesitis-related arthritis (ERA). The safety and efficacy of Humira were assessed in a multi-centre, randomised, double-blind study in 46 paediatric patients (6 to 17 years old) with enthesitis-related arthritis (M11-328). Subjects had to have a diagnosis of ERA prior to their sixteenth birthday, at least 3 active joints (swelling not due to deformity or joints with loss of motion plus pain and/or tenderness), evidence of past or present enthesitis in at least 1 location and an inadequate response or intolerance to at least 1 nonsteroidal anti-inflammatory drug (NSAID). In addition, subjects had to have an inadequate response or intolerance to at least 1 disease modifying anti-rheumatic drug, either sulfasalazine or methotrexate.
Patients were randomised to receive either 24 mg/m2 body surface area (BSA) of Humira up to a maximum of 40 mg, or placebo fortnightly for 12 weeks. The double-blind period was followed by an open-label (OL) period, during which patients received 24 mg/m2 BSA of Humira up to a maximum of 40 mg fortnightly subcutaneously for up to an additional 192 weeks.
The primary endpoint was the percent change from baseline to week 12 in the number of active joints with arthritis (swelling not due to deformity or joints with loss of motion plus pain and/or tenderness), which was achieved (p = 0.039) with mean percent decrease of -62.6% in patients in the Humira group compared to -11.6% in patients in the placebo group. Decreases in the mean percent change from baseline in the number of active joints with arthritis was maintained through Week 156 with a mean decrease from baseline of -88.3%. The majority of patients demonstrated clinical improvement in secondary endpoints such as number of sites of enthesitis, tender joint count, swollen joint count, Paediatric ACR 30 response, Paediatric ACR 50 response, and Paediatric ACR 70 response, and maintained these results during the OL period through week 156 of the study.

Clinical trials for psoriatic arthritis.

Humira, 40 mg fortnightly, was studied in patients with moderately to severely active psoriatic arthritis in two placebo-controlled studies, PsA studies I (M02-518) and II (M02-570). PsA study I, with 24 weeks duration, treated 313 adult patients who had an inadequate response to nonsteroidal anti-inflammatory drug therapy and of these, approximately 50% were taking methotrexate. PsA study II with 12-week duration, treated 100 patients who had an inadequate response to DMARD therapy. Upon completion of both studies, 383 patients enrolled in an open-label extension study, in which 40 mg Humira was administered fortnightly.

ACR and PASI response.

Humira was superior to placebo in all measures of disease activity (p < 0.001) as shown in Tables 17 and 18. Among patients with psoriatic arthritis who received Humira, the clinical responses were apparent at the time of the first visit (2 weeks), significant at 12 weeks and were maintained through 24 weeks of therapy. Patients with a psoriasis involvement of at least 3% body surface areas (BSA) were evaluated for Psoriatic Area and Severity Index (PASI) response. In these patients the skin lesions of psoriasis were improved with Humira, relative to placebo, as measured by PASI. Responses were similar with and without concomitant methotrexate therapy. ACR responses were maintained in the open label extension study for up to 136 weeks.

Radiographic response.

Radiographic changes were assessed in the psoriatic arthritis studies. Radiographs of hands, wrists and feet were obtained at baseline and week 24 during the double-blind period when patients were on Humira or placebo and at week 48 when all patients were on open-label Humira. A modified Total Sharp Score (mTSS), which included distal interphalangeal joints (i.e. not identical to the TSS used for rheumatoid arthritis), was used by readers blinded to treatment group to assess the radiographs.
Humira-treated patients demonstrated greater inhibition of radiographic progression compared to placebo-treated patients and this effect was maintained at 48 weeks (see Table 19).
In subjects treated with Humira with no radiographic progression from baseline to week 48 (n = 102), 84% continued to show no radiographic progression through 144 weeks of treatment.

Quality of life and physical function.

In PsA study VI, physical function and disability were assessed using the HAQ disability index (HAQ-DI) and the Short Form Health Survey (SF-36). Patients treated with 40 mg of Humira fortnightly showed greater improvement from baseline in the HAQ-DI score (mean decreases of 47% and 49% at weeks 12 and 24, respectively) in comparison to placebo (mean decreases of 1% and 3% at weeks 12 and 24, respectively).
Results from the Short Form Health Survey (SF-36) support these findings, with statistically significant Physical Component Summary (PCS) scores, as well as statistically significant pain and vitality domain scores. At weeks 12 and 24, patients treated with Humira showed greater improvement from baseline in the SF-36 physical component summary score compared to patients treated with placebo, and no worsening in the SF-36 mental component summary score. Improvement in physical function and disability measures were maintained for up to 136 weeks through the open label portion of the study.

Clinical trials for ankylosing spondylitis.

The safety and efficacy of Humira 40 mg fortnightly was assessed in 393 adult patients in two randomised, 24-week double-blind, placebo-controlled studies in patients with active ankylosing spondylitis (AS). The larger study (AS study I or M03-607) enrolled 315 adult patients with active AS (defined as fulfilling at least two of the following three criteria: (1) a Bath AS disease activity index (BASDAI) score ≥ 4 cm, (2) a visual analog score (VAS) for total back pain ≥ 40 mm, (3) morning stiffness ≥ 1 hour), who had an inadequate response to conventional therapy. Seventy nine (20.1%) patients were treated concomitantly with disease modifying anti-rheumatic, drugs and 37 (9.4%) patients with glucocorticoids. The blinded period was followed by an open-label period. Subjects (N = 215, 54.7%) who failed to achieve ASAS 20 at weeks 12, or 16 or 20 received early escape open-label adalimumab 40 mg fortnightly SC and were subsequently treated as nonresponders in double-blind statistical analyses.
Results showed statistically significant improvement of signs and symptoms of AS in patients treated with Humira compared to placebo. Significant improvement in measures of disease activity was first observed at week 2 and maintained through 24 weeks as shown in Figure 4 and Table 20.
Patients with total spinal ankylosis were included in the larger study (n = 11). Responses of these patients were similar to those without total ankylosis.
A low level of disease activity (defined as a value < 20 [on a scale of 0-100 mm] in each of the four ASAS response parameters) was achieved at 24 weeks in 22% of Humira-treated patients vs. 6% in placebo-treated patients (p < 0.001) (see Table 21).
Results of this study were similar to those seen in the second randomised trial (AS study II or M03-606), a multi-centre, double-blind, placebo-controlled study of 82 patients with ankylosing spondylitis. Patient reported outcomes were assessed in both ankylosing spondylitis studies using the generic health status questionnaire SF-36 and the disease specific Ankylosing Spondylitis Quality of Life Questionnaire (ASQoL). The Humira-treated patients had significantly greater improvement in SF-36 physical component score (mean change 6.93) compared to placebo-treated patients (mean change 1.55; p < 0.001) at week 12, which was maintained through week 24.
Results from the ASQoL support these findings demonstrating improvement in overall quality of life. The Humira-treated patients had statistically significant improvement (mean change: -3.15) compared to placebo-treated patients (mean change: -0.95; p < 0.001) at week 12, which was maintained through week 24.

Clinical trials for Crohn's disease.

Adults. The safety and efficacy of multiple doses of Humira were assessed in over 1500 patients with moderately to severely active Crohn's disease (Crohn's disease activity index (CDAI) ≥ 220 and ≤ 450) in randomised, double-blind, placebo-controlled studies. Concomitant stable doses of aminosalicylates, corticosteroids and/or immunomodulatory agents were permitted and 80% of patients continued to receive at least one of these medications.
Induction of clinical remission (defined as CDAI < 150) was evaluated in two studies, CD study I (M02-403) and CD study II (M04-691). In CD study I, 299 TNF-antagonist naïve patients were randomised to one of four treatment groups; the placebo group received placebo at weeks 0 to 2, the 160/80 group received 160 mg Humira at week 0 and 80 mg at week 2, the 80/40 group received 80 mg at week 0 and 40 mg at week 2, and the 40/20 group received 40 mg at week 0 and 20 mg at week 2. In CD study II, 325 patients who had lost response or were intolerant to infliximab were randomised to receive either 160 mg Humira at week 0 and 80 mg at week 2, or placebo at weeks 0 and 2.
Maintenance of clinical remission was evaluated in a third study, CD study III (M02-404). In CD study III, 854 patients received open-label 80 mg Humira at week 0 and 40 mg Humira at week 2. Patients were then randomised at week 4 to 40 mg Humira fortnightly, 40 mg Humira every week or placebo with a total study duration of 56 weeks. Patients in clinical response (decrease in CDAI ≥ 70) at week 4 were stratified and analysed separately from those not in clinical response at week 4. Corticosteroid taper was permitted after week 8. Fistula healing was an important pre-determined secondary endpoint for this study.
Clinical results.

CD study I/CD study II.

A statistically significantly greater percentage of the groups treated with 160/80 mg Humira achieved induction of clinical remission versus placebo at week 4 regardless of whether the patients were TNF antagonist naïve (CD study I) or had been previously exposed to infliximab (CD study II) (see Table 22).

CD study III (M02-404).

At week 4, 58% (499/854) patients were in clinical response (decrease in CDAI ≥ 70 points) and were assessed in the primary analysis. Of those in clinical response at week 4, 48% had been previously exposed to other anti-TNF therapy. At weeks 26 and 56, statistically significantly greater proportions of patients who were in clinical response at week 4 achieved clinical remission in the Humira maintenance groups compared to patients in the placebo maintenance group. Additionally, statistically significantly greater proportions of patients receiving concomitant corticosteroids at baseline were in clinical remission and were able to discontinue corticosteroid use for at least 90 days in the Humira maintenance groups compared to patients in the placebo maintenance group at weeks 26 and 56 (see Table 24).
Disease-related hospitalisations and surgeries were statistically significantly reduced with adalimumab compared with placebo at week 56 (see Table 23).
Clinical remission results presented in Table 24 remained relatively constant irrespective of previous TNF antagonist exposure.
Of those in response at week 4 who attained remission during the study, patients in Humira maintenance groups maintained remission for a significantly longer time than patients in the placebo maintenance group (see Figure 5). Among patients who were not in response by week 12, therapy continued beyond 12 weeks did not result in significantly more responses. The group that received Humira every week did not show significantly higher remission rates than the group that received Humira fortnightly.
117/854 patients had draining fistulas both at screening and at baseline. For the assessment of fistula healing, the data for both doses of adalimumab used in the study were pooled. The proportion of subjects (ITT population) with fistula healing at week 26 was statistically significantly greater in patients treated with adalimumab [21/70 (30.0%)] compared to placebo [6/47 (12.8%)]. Complete fistula healing was maintained through week 56 in 23/70 (32.9%) and 6/47 (12.8%) patients (ITT population) in the adalimumab and placebo groups, respectively.
117/276 patients from CD study I and 272/777 patients from CD studies II and III were followed through at least 3 years of open label adalimumab therapy. 88 (75.2%) and 189 (69.5%) patients, respectively, continued to be in clinical remission. Clinical response (CR-100) was maintained in 102 (87.2%) and 233 (85.7%) patients, respectively.
An endoscopy study (n = 135) assessed rates of mucosal healing in patients with moderate to severe Crohn's disease given either adalimumab or placebo. After 8 weeks of randomised treatment (week 12 of study) there was a trend towards higher levels of mucosal healing in subjects given adalimumab compared with subjects given placebo but the differences were not statistically significant (healing in 27.4% (17/62) adalimumab vs 13.1% (8/61) given placebo; p = 0.056). Subjects who continued randomised adalimumab for 52 weeks (n = 135) were more likely to experience mucosal healing relative to placebo (healing in 24.2% [15/62] adalimumab vs 0% [0/61] given placebo; p < 0.001).

Patient reported outcomes.

In CD study I and CD study II, statistically significant improvement in disease specific inflammatory bowel disease questionnaire (IBDQ) total score was achieved at week 4 in patients randomised to Humira 160/80 mg compared to placebo. Statistically significant improvement from baseline in IBDQ scores was seen at weeks 26 and 56 in CD study III among the adalimumab treatment groups compared to the placebo group.
Children and adolescents. Humira was assessed in a multi-centre, randomised, double-blind clinical trial designed to evaluate the efficacy and safety of induction and maintenance treatment with doses dependent on bodyweight (< 40 kg or ≥ 40 kg) in 192 paediatric subjects between the ages of 6 and 17 (inclusive) years, with moderate to severe Crohn's disease (CD) defined as Paediatric Crohn's Disease Activity Index (PCDAI) score > 30. Subjects had to have failed conventional therapy (including a corticosteroid and/or an immunomodulator) for CD. Subjects may also have previously lost response or been intolerant to infliximab.
All subjects received open-label induction therapy at a dose based on their baseline bodyweight: 160 mg at week 0 and 80 mg at week 2 for subjects ≥ 40 kg, and 80 mg and 40 mg, respectively, for subjects < 40 kg.
At week 4, subjects were randomised 1:1 based on their bodyweight at the time to either the low dose or standard dose maintenance regimens as shown in Table 25.

Efficacy results.

The primary endpoint of the study was clinical remission at week 26, defined as PCDAI score ≤ 10.
Clinical remission and clinical response (defined as reduction in PCDAI score of at least 15 points from baseline) rates are presented in Table 26. Also see Table 27.
Statistically significant increases (improvement) from baseline to week 26 and 52 in body mass index and height velocity were observed for both treatment groups. Statistically and clinically significant improvements from baseline were also observed in both treatment groups for quality of life parameters (including IMPACT III).

Clinical trials for ulcerative colitis.

The safety and efficacy of Humira was assessed in adult patients with moderately to severely active ulcerative colitis (Mayo score 6 to 12 with endoscopy subscore of 2 to 3) in randomised, double-blind, placebo-controlled studies. Enrolled patients received concurrent or prior treatment with immunosuppressants such as corticosteroids, azathioprine, or 6-MP.
In study UC-I, 576 TNF-antagonist naïve patients were randomised to receive either placebo at weeks 0 and 2, 160 mg Humira at week 0 followed by 80 mg at week 2, or 80 mg Humira at week 0 followed by 40 mg at week 2. After week 2, patients in both adalimumab arms received 40 mg fortnightly. Clinical remission (defined as Mayo score ≤ 2 with no subscore > 1) was assessed at week 8. The primary endpoint was evaluated based on the 390 patients recruited after the 80/40 induction group was added by protocol amendment.
In study UC-II, 248 patients received 160 mg of Humira at week 0, 80 mg at week 2 and 40 mg fortnightly thereafter, and 246 patients received placebo. Clinical results were assessed for induction of remission at week 8 and for maintenance of remission at week 52.
Subjects induced with 160/80 mg Humira achieved clinical remission versus placebo at week 8 in statistically significantly greater percentages in study UC-I (18% vs. 9% respectively, p = 0.031) and study UC-II (17% vs. 9% respectively, p = 0.019). In study UC-II, among those treated with Humira who were in clinical remission at week 8, 21/41 (51%) were in clinical remission at week 52. The percentage of subjects induced with 80/40 mg Humira in study UC-I who achieved clinical remission at week 8 was not statistically significantly different versus placebo.
Results from the overall UC-II study population are shown in Table 28.
Humira should be discontinued in patients who do not achieve a clinical response during the first 8 weeks of therapy because very few patients will achieve clinical remission with continuing treatment. In UC-1 and UC-2, of patients given Humira 160/80 mg at baseline who did not achieve a clinical response at week 8, 5.2%, and 17.0% went on to be in remission and response, respectively at week 52 (see Table 29).
Statistically significant reductions of both all cause and UC-related rates of hospitalisation were observed in a pooled analysis of studies UC I and II.
Approximately 40% of patients in study UC-II had failed prior anti-TNF treatment with infliximab. The efficacy of adalimumab in those patients was reduced compared to that in anti-TNF naïve patients.
The effectiveness of adalimumab in patients who have lost response to infliximab has not been established, statistically significant differences for week 8 clinical remission and week 8 clinical response were not observed for adalimumab versus placebo in those patients. However, at week 52, clinical remission and clinical response were achieved in a statistically significantly greater number of patients on adalimumab versus placebo in patients who had failed prior anti-TNF treatment (i.e. remission: 3% on placebo versus 10% on adalimumab, and response: 10% on placebo versus 20% on adalimumab).
Patients who completed 52 weeks in UC study I and II continued in an open, uncontrolled extension study (UC-III). Of the 588 patients who entered in the open label study, 299 (51%) were in remission at year 3 and 273 (46%) were in remission at year 4.
Patients, who lose response may benefit from an increase of dosing frequency to 40 mg weekly. 17% of patients initially responding to treatment with adalimumab required an increase in dosing frequency to 40 mg adalimumab every week.

Quality of life.

In UC study II, improvement in the disease specific inflammatory bowel disease questionnaire (IBDQ) total score was achieved at week 52 in patients randomised to Humira 160/80 mg compared to placebo (p = 0.007).

Clinical trials for psoriasis.

Adults. The safety and efficacy of Humira were assessed in over 1,600 patients 18 years of age or older with moderate to severe chronic plaque psoriasis who were candidates for systemic therapy or phototherapy in randomised, double-blind, well-controlled studies. The safety and efficacy of Humira were also studied in adult patients with moderate to severe plaque psoriasis with concomitant hand and/or foot psoriasis who were candidates for systemic therapy.
Ps study I (M03-656) evaluated 1212 patients with chronic plaque psoriasis with ≥ 10% BSA involvement and Psoriasis Area and Severity Index (PASI) ≥ 12 within three treatment periods. In period A, patients received placebo or Humira subcutaneously at an initial dose of 80 mg at week 0 followed by a dose of 40 mg fortnightly starting at week 1. After 16 weeks of therapy, patients who achieved at least a PASI 75 response at week 16, defined as a PASI score improvement of at least 75% relative to baseline, entered period B and received open label 40 mg Humira fortnightly. After 17 weeks of open label therapy, patients who maintained at least a PASI 75 response at week 33 and were originally randomised to active therapy in period A were rerandomised in period C to receive 40 mg Humira fortnightly or placebo for an additional 19 weeks. Across all treatment groups the mean baseline PASI score was 18.9 and the baseline Physician's Global Assessment (PGA) score ranged from "moderate" (52.6%) to "severe" (41.3%) to "very severe" (6.1%).
Ps study II (M04-716) compared the efficacy and safety of Humira versus methotrexate and placebo in 271 patients with 10% BSA involvement and PASI ≥ 10. Patients received placebo, an initial dose of MTX 7.5 mg and, thereafter, dose increases up to week 12, with a maximum dose of 25 mg or an initial dose of 80 mg Humira followed by 40 mg fortnightly (starting one week after the initial dose) for 16 weeks. There are no data available comparing Humira and MTX beyond 16 weeks of therapy. Patients receiving MTX who achieved a ≥ PASI 50 response at week 8 and/or 12 did not receive further dose increases. Across all treatment groups, the mean baseline PASI score was 19.7 and the baseline PGA score ranged from "mild" (< 1%) to "moderate" (48%) to "severe" (46%) to "very severe" (6%).
Ps study III (M02-528) evaluated 148 patients with chronic plaque psoriasis with ≥ 5% BSA involvement for at least 1 year. Patients received placebo or Humira subcutaneously at a dose of 40 mg fortnightly starting at week 1 after an initial dose of 80 mg at week 0 or Humira at an initial dose of 80 mg at week 0 followed by a dose of 40 mg weekly.
Patients participating in all phase 2 and phase 3 psoriasis studies were eligible to enrol into an open label extension trial (M03-658) where Humira was given for at least an additional 108 weeks at 40 mg fortnightly, with the option to dose escalate to 40 mg weekly if response was sub-optimal.
Clinical results. In Ps studies I, II and III, the primary endpoint was the proportion of patients who achieved a reduction in PASI score of at least 75% (PASI 75) from baseline at week 16 for Ps studies I and II and week 12 for Ps study III. Other evaluated outcomes in Ps studies I, II, and III included the PGA and other PASI measures. Ps study I had an additional primary endpoint of loss of adequate response after week 33 and on or before week 52. Loss of adequate response is defined as a PASI score after week 33 and on or before week 52 that resulted in a < PASI 50 response relative to baseline with a minimum of a 6 point increase in PASI score relative to week 33. In Ps studies I and II, more patients randomised to Humira than to placebo achieved at least a 75% reduction from baseline of PASI score at week 16. Other relevant clinical parameters including PASI 100 (i.e. complete clearance of psoriasis skin signs) and PGA of clear or minimal were also improved over placebo. Patients with ≥ PASI 75 response continued to week 33. In Ps study I, patients who were PASI 75 responders and were rerandomised to continue Humira therapy at week 33 were less likely to experience a loss of adequate response on or before week 52 than the PASI 75 responders who were rerandomised to placebo at week 33 (4.9% versus 28.4%, p < 0.001). In Ps study II, superior results were achieved for PASI 75, PASI 100 and PGA of "clear or minimal" in patients randomised to the Humira treatment group versus those randomised to receive methotrexate (see Table 30 and Table 31).
Two of the continuous treatment populations entering trial M03-658 were those from period C of study I and those from study II.
250 subjects in the Humira group in period C of study I achieved PASI 75 at weeks 16 and 33 and received continuous Humira therapy at 40 mg fortnightly for up to 52 weeks. Of these, 233 entered the extension trial M03-658 and the proportion of patients with PGA of clear or minimal response was 70.0% at entry to the extension trial (52 weeks Humira treatment), 73.4% after 76 weeks treatment, and 59.0% after 160 weeks treatment. The corresponding percentages for PASI 75 were 83.7% at entry, 86.5% after 76 weeks treatment, and 74.7% after 160 weeks treatment.
108 subjects in the Humira group of study II received continuous Humira therapy at 40 mg fortnightly for 16 weeks. Of these, 94 entered the extension trial M03-658, and the proportion of these patients with PGA of "clear or minimal" response was 68.1% at entry to the extension trial (16 weeks Humira treatment) and 46.2% after 124 weeks treatment. The corresponding percentages for PASI 75 were 74.5% at entry and 58.1% after 124 weeks treatment.
There was a withdrawal and retreatment evaluation in the extension trial (M03-658) after subjects had received at least 2 years of treatment with Humira. A pre-specified evaluable population of stable responders to Humira was assessed after withdrawal of Humira. This population consisted of subjects with stable psoriasis defined as PGA clear or minimal at the last 2 visits at least 12 weeks apart and receiving Humira 40 mg fortnightly during the last 12 weeks. If subjects relapsed (PGA became moderate or worse) during the withdrawal period, Humira was recommenced at an initial dose of 80 mg and then, from the following week, at 40 mg fortnightly. After 178 subjects had relapsed and recommenced Humira, the remaining subjects who had not relapsed were also eligible for retreatment with Humira.
Of 347 stable responders withdrawn from Humira, 339 had at least one post-baseline evaluation. Approximately half (55.5%) of these subjects relapsed. The median time to relapse was approximately 5 months. None of the subjects experienced rebound of disease (PASI ≥ 125% or new generalised erythrodermic or pustular psoriasis within 3 months of withdrawal of Humira). The number of retreated subjects was 285, of whom 178 had relapsed during the withdrawal period. At week 16 of retreatment, PGA "clear or minimal" increased from 0% to 69.1% in relapsed subjects and from 59.8% to 88.8% in non-relapsed subjects. Therefore, after withdrawal of Humira and relapse, most subjects responded to retreatment within 16 weeks.
In the open-label extension trial (M03-658), patients who dose escalated from 40 mg fortnightly to 40 mg every week due to a PASI response below 50%, 26.4% (92/349) and 37.8% (132/349) of patients achieved PASI 75 response at Week 12 and 24, respectively.
An additional Ps study (M10-405) compared the efficacy and safety of Humira versus placebo in 72 patients with moderate to severe chronic plaque psoriasis and hand and/or foot psoriasis. Patients received an initial dose of 80 mg of Humira, followed by 40 mg fortnightly (starting one week after the initial dose), or placebo for 16 weeks. At week 16, a statistically significantly greater proportion of patients who received Humira achieved a PGA score of "clear" or "almost clear" for the hands and/or feet compared to patients who received placebo (30.6% versus 4.3%, respectively [p = 0.014]).
Psoriasis Study IV (M13-674) compared efficacy and safety of Humira versus placebo in 217 adult patients with moderate to severe nail psoriasis. Patients received an initial dose of 80 mg Humira followed by 40 mg fortnightly (starting one week after the initial dose) or placebo for 26 weeks followed by open-label Humira treatment for an additional 26 weeks.
This study evaluated the proportion of subjects who achieved at least a 75% improvement from baseline in the Modified Nail Psoriasis Severity Index (mNAPSI 75) and the proportion of subjects who achieved "clear" or "minimal" assessment with at least a 2-grade improvement on the PGA-F scale at week 26 (see Table 32). The mNAPSI is a numeric index for the evaluation of nail psoriasis. The index assessed each nail abnormality for each of a subject's fingernails. Pitting, onycholysis and oil-drop dyschromia and crumbling of each fingernail were graded on a scale from 0 to 3. Leukonychia, splinter hemorrhages, hyperkeratosis and red spots in the lunula were graded as either present (scored as 1) or absent (scored as 0) for each fingernail. The mean (± SD) severity of mNAPSI at baseline was 58.11 ± 21.550 and 57.59 ± 20.159 in the placebo and Humira treatment group, respectively.
Of those who continued to receive Humira treatment until Week 52, 65.0% achieved mNAPSI 75 response and 61.3% achieved PGA-F response.
The percent improvement in NAPSI was also statistically significantly greater in Humira patients compared with placebo at Week 16 (44.2% vs 7.8%).

Quality of life.

Patient Reported Outcomes (PRO) were evaluated by several measures. Quality of life was assessed using the disease-specific Dermatology Life Quality Index (DLQI) in Ps study I and Ps study II. In Ps study I, patients receiving Humira demonstrated clinically meaningful improvement in the DLQI total score, disease severity, pain and pruritus compared to the placebo group at both weeks 4 and 16. The DLQI result was maintained at week 52. In Ps study II, patients receiving Humira demonstrated clinically meaningful improvement in the DLQI total score, disease severity, and pruritus compared to the placebo and methotrexate groups at week 16, and clinically meaningful improvement in pain compared to the placebo group at week 16.
The Short Form health survey (SF-36) was used to assess general health-related quality of life in Ps study I. The Humira-treated patients had significantly greater improvement in the SF-36 Physical Component Summary (PCS) and Mental Component Summary (MCS) scores.
In Ps Study IV, patients receiving Humira showed clinically meaningful improvements at Week 26 from baseline compared with placebo in the DLQI.
Children and adolescents. The efficacy of Humira was assessed in a randomised, double-blind, controlled study of 114 paediatric patients from 4 years of age with severe chronic plaque psoriasis (as defined by a PGA ≥ 4 or > 20% BSA involvement or > 10% BSA involvement with very thick lesions or PASI ≥ 20 or ≥ 10 with clinically relevant facial, genital, or hand/ foot involvement) who were inadequately controlled with topical therapy and heliotherapy or phototherapy.
Patients received Humira 0.8 mg/kg fortnightly (up to 40 mg), 0.4 mg/kg fortnightly (up to 20 mg), or methotrexate 0.1 - 0.4 mg/kg weekly (up to 25 mg). At week 16, more patients randomised to Humira 0.8 mg/kg had positive efficacy responses (e.g. PASI 75) than those randomised to MTX (see Table 33).
Patients who achieved PASI 75 and PGA clear or minimal were withdrawn from treatment for up to 36 weeks and monitored for loss of disease control (loss of PGA response). Patients were then retreated with adalimumab 0.8 mg/kg fortnightly for an additional 16 weeks. Among patients who were responders to the initial 16 weeks of treatment but who relapsed upon withdrawal and were re-treated, PASI 75 response of 78.9% (15 of 19 subjects) and PGA clear or minimal of 52.6% (10 of 19 subjects) was observed.
In the open label period of the study, PASI 75 and PGA clear or minimal responses were maintained for up to an additional 52 weeks with no new safety findings. A total of 91 subjects received only adalimumab 0.8 mg/kg in period D, the mean duration of treatment with adalimumab 0.8 mg/kg in period D was 315.0 days (range 42 to 380 days). Of the 91 subjects who only received adalimumab 0.8 mg/kg in period D, the PASI 75 response rate and PGA clear/ minimal response rate at week 52 were 69.2% and 59.3%, respectively.

Clinical trials for hidradenitis suppurativa.

Adults. The safety and efficacy of Humira were assessed in randomised, double-blind, placebo-controlled studies and an open-label extension study in adult patients with moderate to severe hidradenitis suppurativa (HS) who were intolerant, had a contraindication or an inadequate response to at least a 3 month trial of systemic antibiotic therapy. The patients in studies HS-I and HS-II had Hurley Stage II or III disease with at least 3 abscesses or inflammatory nodules.
Study HS-I (M11-313) evaluated 307 patients with 2 treatment periods. In period A, patients received placebo or Humira at an initial dose of 160 mg at week 0, 80 mg at week 2, and 40 mg every week starting at week 4 to week 11. Concomitant antibiotic use was not allowed during the study. After 12 weeks of therapy, patients who had received Humira in period A were rerandomised in period B to 1 of 3 treatment groups (Humira 40 mg every week, Humira 40 mg fortnightly, or placebo from week 12 to week 35). Patients who had been randomised to placebo in period A were assigned to receive Humira 40 mg every week in period B.
Study HS-II (M11-810) evaluated 326 patients with 2 treatment periods. In period A, patients received placebo or Humira at an initial dose of 160 mg at week 0 and 80 mg at week 2 and 40 mg every week starting at week 4 to week 11. 19.3% of patients had continued baseline oral antibiotic therapy during the study. After 12 weeks of therapy, patients who had received Humira in period A were re-randomised in period B to 1 of 3 treatment groups (Humira 40 mg every week, Humira 40 mg fortnightly, or placebo from week 12 to week 35). Patients who had been randomised to placebo in period A were assigned to receive placebo in period B.
Patients participating in studies HS-I and HS-II were eligible to enroll into an open-label extension study in which Humira 40 mg was administered every week. Mean exposure in all adalimumab population was 762 days (standard deviation: 397 days). Throughout all 3 studies patients used topical antiseptic wash daily.

Clinical response.

Reduction of inflammatory lesions and prevention of worsening of abscesses and draining fistulas was assessed using Hidradenitis Suppurativa Clinical Response (HiSCR; at least a 50% reduction in total abscess and inflammatory nodule count with no increase in abscess count and no increase in draining fistula count relative to baseline). Reduction in HS related skin pain was assessed using a numeric rating scale in patients who entered the study with an initial baseline score of 3 or greater on an 11 point scale.
At week 12, a significantly higher proportion of patients treated with Humira versus placebo achieved HiSCR. At week 12, a significantly higher proportion of patients in study HS-II experienced a clinically relevant decrease in HS related skin pain (see Table 34). Patients treated with Humira had reduced risk of disease flare during the initial 12 weeks of treatment.
There is a statistically significantly higher HiSCR rate at week 36 in patients who continued to receive weekly adalimumab compared to those who stopped adalimumab at week 12.
At week 36 HiSCR was achieved by 43% of the patients receiving ongoing weekly adalimumab and 28% of the patients who were withdrawn from adalimumab treatment after week 12 (p < 0.05), in the pooled study HS-I and study HS-II population.
Of the 88 patients randomised to adalimumab continuous weekly dosing who were at least partial responders at week 12 and subsequently entered the open-label extension study, 81 and 53 patients had observed efficacy assessments at week 48 and week 96, respectively. The overall HiSCR response rate at Week 12 was maintained through week 96.
Greater improvements at week 12 from baseline compared to placebo were demonstrated in skin-specific health-related quality of life, as measured by the Dermatology Life Quality Index (DLQI; study HS-II), and patient global satisfaction with medication treatment as measured by the Treatment Satisfaction Questionnaire - medication (TSQM; study HS-II).
Adolescents. There are no clinical trials in adolescent patients with hidradenitis suppurativa (HS). Efficacy of Humira for the treatment of adolescent patients from 12 years of age with HS is predicted based on the demonstrated efficacy and exposure-response relationship in adult HS patients and the likelihood that the disease course, pathophysiology, and drug effects are substantially similar to that of adults at the same exposure levels. (See Section 5.2 Pharmacokinetic Properties.)

Clinical trials for uveitis.

Adults. The safety and efficacy of Humira were assessed in adult patients with non-infectious intermediate, posterior, and panuveitis (also known as "non-infectious uveitis affecting the posterior segment"), excluding patients with isolated anterior uveitis, in two randomised, double-masked, placebo-controlled studies (UV I and II). Patients received placebo or Humira at an initial dose of 80 mg followed by 40 mg fortnightly starting one week after the initial dose. Concomitant stable doses of non-biologic immunosuppressants were permitted. The primary efficacy endpoint in both studies was 'time to treatment failure'. Following initial control of disease, a prolongation in time to treatment failure will result in reduced risk of disease flares, inflammation and vision loss.
Treatment failure was defined by a multi-component outcome based on inflammatory chorioretinal and/or inflammatory retinal vascular lesions, anterior chamber (AC) cell grade, vitreous haze (VH) grade and best corrected visual acuity (BCVA).
Study UV I evaluated 217 patients with active uveitis despite treatment with corticosteroids (oral prednisone at a dose of 10 to 60 mg/day). A majority of the 217 patients were female and Caucasian with mean age of 42.7 years. There was no statistically significant demographic difference between the placebo and Humira groups. All patients received a standardised dose of prednisone 60 mg/day at study entry followed by a mandatory taper schedule, with complete corticosteroid discontinuation by week 15.
Study UV II evaluated 226 patients with inactive uveitis requiring chronic corticosteroid treatment (oral prednisone 10 to 35 mg/day) at baseline to control their disease. A majority of the 226 patients were female and Caucasian with mean age of 42.5 years. There was no statistically significant demographic difference between the placebo and Humira groups. Patients subsequently underwent a mandatory taper schedule, with complete corticosteroid discontinuation by week 19.

Clinical results.

Results from both studies demonstrated statistically significant reduction of the risk of treatment failure in patients treated with Humira versus patients receiving placebo (see Table 35). Both studies demonstrated an early and sustained effect of Humira on the treatment failure rate versus placebo (see Figures 6 and 7).
In both studies, all components of the primary endpoint contributed cumulatively to the overall difference between Humira and placebo groups (see Table 36).
Additionally, in study UV I, statistically significant differences in favour of Humira versus placebo were observed for the secondary endpoints changes in AC cell grade, vitreous haze grade, and log MAR BCVA (mean change from best state prior to week 6 to the final visit; P values: 0.011, < 0.001 and 0.003, respectively).
In the long-term extension of studies UV I and UV II, 276 of 371 eligible patients reached 78 weeks of open-label adalimumab treatment. Of these, 222 (80.4%) were quiescence (no active inflammatory lesions, AC cell grade ≤ 0.5+, VH grade ≤ 0.5+) with a concomitant steroid dose ≤ 7.5 mg per day, and 184 (66.7%) were in steroid-free quiescence. BCVA was either improved or maintained (< 5 letters deterioration) in 88.4% of the eyes at week 78.

Quality of life.

In study UV 1, treatment with Humira resulted in maintenance of vision-related functioning and health-related quality of life, as measured by the National Eye Institute Visual Functioning Questionnaire - 25 (NEI VFQ-25).
Paediatric (≥ 2 years). The safety and efficacy of Humira was assessed in a randomised, double-masked, controlled study of 90 paediatric patients from 2 to < 18 years of age with active JIA-associated noninfectious anterior uveitis who were refractory to at least 12 weeks of methotrexate treatment. Patients received either placebo or 20 mg adalimumab (if < 30 kg) or 40 mg adalimumab (if ≥ 30 kg) every other week in combination with their baseline dose of methotrexate.
The primary endpoint was 'time to treatment failure'. The criteria determining treatment failure were worsening, or sustained non-improvement in ocular inflammation, or partial improvement with development of sustained ocular co-morbidities, or worsening of ocular co-morbidities, non-permitted use of concomitant medications, and suspension of treatment for an extended period of time.

Clinical response.

Adalimumab significantly delayed the time to treatment failure, as compared to placebo (see Figure 8, P < 0.0001 from log rank test). The median time to treatment failure was 24.1 weeks for subjects treated with placebo, whereas the median time to treatment failure was not estimable for subjects treated with adalimumab because less than one-half of these subjects experienced treatment failure. Adalimumab significantly decreased the risk of treatment failure by 75% relative to placebo, as shown by the hazard ratio (HR = 0.25 [95% CI: 0.12, 0.49]).

Immunogenicity.

Patients in rheumatoid arthritis studies I, II and III were tested at multiple time points for anti-adalimumab antibodies during the 6 to 12 month period. Approximately 5.5% (58 of 1,062) of adult rheumatoid arthritis patients receiving adalimumab developed low titre antibodies to adalimumab at least once during treatment, which were neutralising in vitro. Patients treated with concomitant MTX had a lower rate of antibody development than patients on adalimumab monotherapy (1% versus 12%). No apparent correlation of antibody development to adverse events was observed. With monotherapy, patients receiving fortnightly dosing may develop antibodies more frequently than those receiving weekly dosing. In patients receiving the recommended dosage of 40 mg fortnightly as monotherapy, the ACR 20 response was lower among antibody-positive patients than among antibody-negative patients. The long-term immunogenicity of adalimumab is unknown.
In pJIA study I a greater percentage of patients developed antibodies to adalimumab compared to adult rheumatoid arthritis patients. Antibody formation was lower when adalimumab was given together with methotrexate in comparison with use as monotherapy. There was no apparent correlation between the presence of antibodies and adverse events. Anti-adalimumab antibodies were identified in 15.8% (27/171) of patients treated with adalimumab. In patients not given concomitant methotrexate, the incidence was 25.6% (22/86), compared to 5.9% (5/85) when adalimumab was used as an add-on to methotrexate.
In pJIA study II anti-adalimumab antibodies were identified in 7% (1/15) of patients, and the one patient was receiving concomitant methotrexate.
In patients with enthesitis-related arthritis, anti-adalimumab antibodies were identified in 11% (5/46) of patients treated with adalimumab. In patients not given concomitant methotrexate, the incidence was 14% (3/22), compared to 8% (2/24) when adalimumab was used as an add-on to methotrexate.
In paediatric patients with moderately to severely active Crohn's disease, the rate of antibody development in patients receiving adalimumab was 3.3%.
In patients with ankylosing spondylitis, the rate of development of anti-adalimumab antibodies in adalimumab treated patients was comparable to patients with rheumatoid arthritis. In patients with psoriatic arthritis, the rate of antibody development in patients receiving adalimumab monotherapy was comparable to patients with rheumatoid arthritis; however, in patients receiving concomitant methotrexate the rate was 7% compared to 1% in rheumatoid arthritis. The immunogenicity rate was 8% for psoriasis patients who were treated with adalimumab monotherapy.
In patients with Crohn's disease, anti-adalimumab antibodies were identified in 2.6% (7/269) of patients treated with adalimumab.
In patients with ulcerative colitis, anti-adalimumab antibodies were identified in 3.9% (19/487) of patients treated with adalimumab. However, due to the limitation of the assay conditions, antibodies to adalimumab could be detected only when serum adalimumab levels were < 2 microgram/mL. Among the patients whose serum adalimumab levels were < 2 microgram/mL (approximately 25% of total patients studied), the immunogenicity rate was 20.7%.
In plaque psoriasis patients on long-term adalimumab without concomitant methotrexate who participated in a withdrawal and retreatment study, the rate of anti-adalimumab antibodies after retreatment was similar to the rate observed prior to withdrawal.
In patients with paediatric psoriasis, anti-adalimumab antibodies were identified in 13% (5/38) of subjects treated with 0.8 mg/kg adalimumab monotherapy. 37 of the 38 subjects completed the initial double-blind period (16 weeks) of study M04-717, and one subject entered the long-term follow-up period after week 4.
In patients with moderate to severe hidradenitis suppurativa, anti-adalimumab antibodies were identified in 10/99 subjects (10.1%) treated with adalimumab.
In patients with non-infectious uveitis, anti-adalimumab antibodies were identified in 4.8% (12/249) of patients treated with adalimumab.
The data reflect the percentage of patients whose test results were considered positive for antibodies to adalimumab in an ELISA assay, and are highly dependent on the sensitivity and specificity of the assay. For these reasons, comparison of the incidence of antibodies to adalimumab with the incidence of antibodies to other products may be misleading.

5.2 Pharmacokinetic Properties

Absorption.

Following a single 40 mg subcutaneous (SC) administration of adalimumab to 59 healthy adult subjects, absorption of adalimumab was slow, with mean peak serum concentration being reached about five days after administration. The average absolute bioavailability of adalimumab estimated from three studies following a single 40 mg subcutaneous dose was 64%. The pharmacokinetics of adalimumab was linear over the dose range of 0.5 to 10 mg/kg following a single intravenous dose.

Distribution and elimination.

The single dose pharmacokinetics of adalimumab in rheumatoid arthritis (RA) patients was determined in several studies with intravenous doses ranging from 0.25 to 10 mg/kg. The distribution volume (Vss) ranged from 4.7 to 6.0 L. Adalimumab is slowly eliminated, with clearances typically under 12 mL/h. The mean terminal phase half-life was approximately two weeks, ranging from 10 to 20 days across studies. Adalimumab concentrations in the synovial fluid from several RA patients ranged from 31 to 96% of those in serum.

Specific populations.

Pharmacokinetics in special populations were investigated using population pharmacokinetic analyses.

Race/ethnicity.

No differences in immunoglobulin clearance would be expected among races. From limited data in non-Caucasians, no important kinetic differences were observed for adalimumab.

Gender/weight.

No gender-related pharmacokinetic differences were observed after correction for a patient's bodyweight.

Paediatric patients.

In pJIA study I for patients with polyarticular juvenile idiopathic arthritis (4 to 17 years of age), the mean steady-state trough serum adalimumab concentrations for patients weighing < 30 kg receiving 20 mg adalimumab subcutaneously fortnightly without concomitant methotrexate or with concomitant methotrexate were 6.8 microgram/mL and 10.9 microgram/mL, respectively. The mean steady-state trough serum adalimumab concentrations for patients weighing ≥ 30 kg receiving 40 mg adalimumab subcutaneously fortnightly without concomitant methotrexate, or with concomitant methotrexate were 6.6 microgram/mL and 8.1 microgram/mL, respectively. In pJIA study II for patients with polyarticular juvenile idiopathic arthritis who were 2 to < 4 years old, or aged 4 years and above weighing < 15 kg, the mean steady-state trough serum adalimumab concentrations for patients receiving adalimumab subcutaneously fortnightly were 6.0 ± 6.1 microgram/mL (101% CV) for adalimumab without concomitant methotrexate, and 7.9 ± 5.6 microgram/mL (71.2% CV) with concomitant methotrexate. See Table 37.
Following the administration of 24 mg/m2 (up to a maximum of 40 mg) subcutaneously fortnightly to patients with enthesitis-related arthritis, the mean trough steady-state (values measured at week 24) serum adalimumab concentrations were 8.8 ± 6.6 microgram/mL for adalimumab without concomitant methotrexate and 11.8 ± 4.3 microgram/mL with concomitant methotrexate. Based on a population pharmacokinetic (PK) modelling approach, simulated steady-state adalimumab serum trough concentrations for a weight based dosing regimen (20 mg adalimumab fortnightly for bodyweight < 30 kg and 40 mg adalimumab fortnightly for bodyweight ≥ 30 kg) were comparable to the simulated trough concentrations for the body surface area-based regimen.
In paediatric patients with moderately to severely active Crohn's disease, the open label adalimumab induction dose was 160/80 mg or 80/40 mg at weeks 0 and 2, respectively, dependent on a bodyweight cut-off of 40 kg. At week 4, subjects were randomised 1:1 to either the standard dose (40/20 mg fortnightly) or low dose (20/10 mg fortnightly) maintenance treatment groups based on their bodyweight. The mean (± SD) serum adalimumab trough concentrations achieved at week 4 were 15.7 ± 6.6 microgram/mL for patients ≥ 40 kg (160/80 mg) and 10.6 ± 6.1 microgram/mL for patients < 40 kg (80/40 mg).
For subjects who stayed on their randomised therapy, the mean (± SD) adalimumab trough concentrations at week 52 were 9.5 ± 5.6 microgram/mL for the standard dose group and 3.5 ± 2.2 microgram/mL for the low dose group. The mean trough concentrations were maintained in subjects who continued to receive adalimumab treatment fortnightly for 52 weeks. For subjects who dose escalated from fortnightly to weekly regimen, the mean (± SD) serum concentrations of adalimumab at week 52 were 15.3 ± 11.4 microgram/mL (40/20 mg, weekly) and 6.7 ± 3.5 microgram/mL (20/10 mg, weekly).
Following the administration of 0.8 mg/kg (up to a maximum of 40 mg) subcutaneously fortnightly to paediatric patients with chronic plaque psoriasis, the mean ± SD steady-state adalimumab trough concentration (measured at week 11) was approximately 7.4 ± 5.8 microgram/mL (79% CV). Serum adalimumab concentrations after 40 mg fortnightly in adult psoriasis patients are comparable to those following 0.8 mg/kg fortnightly in paediatric psoriasis patients in study M04-717 (range 7-11 microgram/mL).
Adalimumab exposure in adolescent hidradenitis suppurativa (HS) patients was predicted using population pharmacokinetic modelling and simulation based on cross-indication pharmacokinetics in other paediatric patients (paediatric psoriasis, juvenile idiopathic arthritis, paediatric Crohn's disease, and enthesitis-related arthritis). The recommended adolescent HS dosing schedule of 40 mg fortnightly is predicted to provide serum adalimumab exposure and efficacy similar to that observed in adult HS patients receiving the recommended adult dose of 40 mg every week.

Geriatric patients.

Adalimumab's apparent clearance decreases slightly with increasing age. From the population analyses, the mean weight adjusted clearances in patients 40 to 65 years (n = 850) and ≥ 65 years (n = 287) were 0.33 and 0.30 mL/h/kg, respectively.

Hepatic and renal insufficiency.

No pharmacokinetic data are available in patients with hepatic or renal impairment.

Disease states.

Healthy volunteers and patients with RA displayed similar adalimumab pharmacokinetics.

Drug interactions, methotrexate.

When adalimumab was administered to 21 RA patients on stable methotrexate therapy, there were no statistically significant changes in the serum methotrexate concentration profiles. In contrast, after single and multiple dosing, methotrexate reduced adalimumab's apparent clearances by 29% and 44% respectively (see Section 4.4 Special Warnings and Precautions for Use). This is consistent with the higher trough concentrations of adalimumab found in patients treated with concomitant methotrexate (see Section 5.1 Pharmacodynamic Properties, Steady state).

5.3 Preclinical Safety Data

Genotoxicity.

No genotoxicity was observed in an in vitro test for bacterial gene mutation or in an in vivo mouse micronucleus test for clastogenicity.

Carcinogenicity.

Long-term animal studies have not been conducted to evaluate the carcinogenic potential of adalimumab.

6 Pharmaceutical Particulars

6.1 List of Excipients

Humira 80 mg/0.8 mL (100 mg/mL).

Inactive ingredients include: 33.6 mg mannitol, 0.8 mg polysorbate 80 and water for injections.

Humira 40 mg/0.4 mL (100 mg/mL).

Inactive ingredients include: 16.8 mg mannitol, 0.4 mg polysorbate 80 and water for injections.

Humira 20 mg/0.2 mL (100 mg/mL).

Inactive ingredients include: 8.4 mg mannitol, 0.2 mg polysorbate 80 and water for injections.

6.2 Incompatibilities

Incompatibilities were either not assessed or not identified as part of the registration of this medicine.

6.3 Shelf Life

In Australia, information on the shelf life can be found on the public summary of the Australian Register of Therapeutic Goods (ARTG). The expiry date can be found on the packaging.

6.4 Special Precautions for Storage

Store at 2°C to 8°C (in a refrigerator) and store the syringe in the outer carton to protect from light. Do not freeze.
Do not use beyond the expiration date.
When required (for example, when travelling), a single Humira pre-filled syringe or pen may be stored below 25°C (room temperature) for a maximum period of 14 days, but must be protected from light. Once removed from the refrigerator for room temperature storage, the syringe must be used within 14 days or discarded, even if it is returned to the refrigerator.
The date of removal from the refrigerator should be recorded on the syringe label, to allow the syringe to be discarded after the maximum 14 days if not used.

6.5 Nature and Contents of Container

Humira (adalimumab) solution for injection for paediatric use is supplied as a sterile solution of 20 mg adalimumab dissolved in 0.2 mL sterile solution in the following packaging configuration:
carton containing 2 blisters, each containing 1 pre-filled syringe and 1 alcohol pad.
Humira (adalimumab) solution for injection is supplied as a sterile solution of 40 mg adalimumab dissolved in 0.4 mL sterile solution for subcutaneous administration in the following packaging configurations:
Humira 40 mg per 0.4 mL solution for injection in a single-use pre-filled syringe:
carton containing 1 alcohol pad and 1 blister with 1 pre-filled syringe;
carton containing 2 alcohol pads and 2 blisters, each containing 1 pre-filled syringe;
carton containing 4 alcohol pads and 4 blisters, each containing 1 pre-filled syringe;
carton containing 6 alcohol pads and 6 blisters, each containing 1 pre-filled syringe.
Humira 40 mg per 0.4 mL solution for injection in a single-use pre-filled pen:
carton containing 2 alcohol pads and 1 blister with 1 pre-filled pen;
carton containing 2 alcohol pads and 2 blisters, each containing 1 pre-filled pen;
carton containing 4 alcohol pads and 4 blisters, each containing 1 pre-filled pen;
carton containing 6 alcohol pads and 6 blisters, each containing 1 pre-filled pen.
Humira (adalimumab) solution for injection is supplied as a sterile solution of 80 mg adalimumab dissolved in 0.8 mL sterile solution for subcutaneous administration in the following packaging configurations:
Humira 80 mg solution for injection in single-use pre-filled syringe (for patient use):
carton containing 1 alcohol pad and 1 blister with 1 pre-filled syringe.
Humira 80 mg solution for injection in single-use pre-filled pen (for patient use):
carton containing 2 alcohol pads and 1 blister with 1 pre-filled pen;
carton containing 4 alcohol pads and 3 blisters, each containing 1 pre-filled pen.
Not all presentations may be marketed.

6.6 Special Precautions for Disposal

In Australia, any unused medicine or waste material should be disposed of by taking it to your local pharmacy.

6.7 Physicochemical Properties

CAS number.

CAS registry number: 331731-18-1.

7 Medicine Schedule (Poisons Standard)

Schedule 4 - Prescription Only Medicine.

Summary Table of Changes