The purpose of this study is to learn more about the role of etanercept alone or in combination with methotrexate on disease activity in adults with psoriatic arthritis.
The study will consist of a 30-day screening period, a 48-week double-blind treatment period and a 30-day safety follow-up period. At or after week 24, participants with an inadequate response could receive rescue therapy with etanercept plus methotrexate until the end of the treatment period.
Etanercept was administered by subcutaneous injection once a week
Methotrexate capsules taken orally once a week. Dosing was initiated at 10 mg weekly and titrated up to a final dose of 20 mg weekly over a 4-week period.
Placebo to etanercept was administered by subcutaneous injection once a week.
Placebo to methotrexate capsules taken orally once a week.
Ciudad Autonoma de Buenos Aires, Buenos Aires, Argentina
San Miguel de Tucumán, Tucumán Province, Argentina
Buenos Aires, Argentina