Dataset from Phase 3, Randomized, Double-Blind, Placebo-Controlled Study Of The Safety And Efficacy Of 2 Doses Of CP-690,550 In Patients With Active Rheumatoid Arthritis On Background Methotrexate With Inadequate Response To TNF Inhibitors

This study will test if CP-690,550 is safe and effective in rheumatoid arthritis patients taking methotrexate who have an inadequate response to tumor necrosis factor inhibitor treatment.