A Phase 3, Multicenter, Randomized, Double-blind, Placebo-controlled Study to Evaluate the Safety and Efficacy of LY2127399 in Patients With Rheumatoid Arthritis (RA) With or Without Background Disease-Modifying Anti-rheumatic Drug (DMARD) Therapy (FLEX O)

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In consideration of disease severity, all participants were assessed for non-response at Week 16. A total of 66 joints were examined for swelling, and a total of 66 joint were examined for tenderness. For participants who had at least 5 swollen and 5 tender joints at baseline, Week 16 non-responders (NRs) were defined as participants with \<20% improvement from baseline in both tender joint counts and swollen joint counts. For participants who did not have at least 5 swollen and 5 tender joints at baseline, Week 16 NRs were defined as participants who had at least 2 additional tender and 2 additional swollen joints from baseline. All Week 16 NRs and all participants who discontinued study treatment at any time, for any reason, were defined as NRs starting at that timepoint and going forward for all American College of Rheumatology (ACR) imputed analyses, including the Week 24 endpoint.