Adult 18-64 yr & elderly (≥65 yr) RA, psoriatic arthritis, ankylosing spondylitis & non-radiographic axial spondyloarthritis 25 mg twice wkly or 50 mg once wkly.
Plaque psoriasis 25 mg twice wkly or 50 mg once wkly. Alternatively, 50 mg twice wkly for up to 12 wk followed by 25 mg twice wkly or 50 mg once wkly, if necessary. May be used for up to 24 wk. Discontinue treatment if no response after 12 wk.
Juvenile idiopathic arthritis 0.4 mg/kg (up to a max of 25 mg/dose) twice wkly as a SC inj w/ 3-4 days interval between doses or 0.8 mg/kg (up to a max of 50 mg/dose) given once wkly. Discontinue treatment if no response after 4 mth.
Paed plaque psoriasis (≥6 yr) 0.8 mg/kg (up to a max of 50 mg/dose) once wkly for up to 24 wk. Discontinue treatment if no response after 12 wk.