A Phase 3, Multicenter, Randomized, Double-Blind, Placebo-Controlled Study to Evaluate the Efficacy and Safety of LY2127399 in Patients With Moderate to Severe Rheumatoid Arthritis (RA) Who Had an Inadequate Response to One or More TNF-α Inhibitors (FLEX V)

The primary purpose of this study is to help answer if LY2127399 is safe and effective in the treatment of rheumatoid arthritis in participants with an inadequate response to one or more tumor necrosis factor-alpha (TNF-α) inhibitors. This study is comprised of 2 periods: Period 1: 24-week blinded treatment Period 2: 48-week post-treatment follow-up