Plaque psoriasis
Adult: 300 mg every week for 5 doses, followed by 300 mg every month. Each 300 mg dose is given as 2 injections of 150 mg. Review treatment if no response within 16 weeks of initial dose.
Subcutaneous
Psoriatic arthritis
Adult: 150 mg every week for 5 doses, followed by 150 mg every month, may increase to 300 mg if response is inadequate. Coexistent moderate to severe plaque psoriasis or anti-TNFα inadequate responders: 300 mg every week for 5 doses, followed by 300 mg every month. Review treatment if there is no response after 16 weeks.
Subcutaneous
Ankylosing spondylitis
Adult: 150 mg once weekly for 5 weeks, then once monthly thereafter. Review treatment if there is no response after 16 weeks.