Phase 3, Randomized, Double-Blind, Placebo-Controlled Study Of The Efficacy And Safety Of 2 Doses Of CP-690,550 Monotherapy In Patients With Active Rheumatoid Arthritis

This Phase 3 study is intended to provide evidence of the efficacy and safety of CP 690,550 when dosed 5 mg and 10 mg twice a day as monotherapy in adult patients with moderate to severe Rheumatoid Arthritis. It is intended to confirm the benefits of CP-690,550 in improving signs and symptoms and physical function that were observed in the Phase 2 Rheumatoid Arthritis studies.