Evaluation of the Long Term Safety, Tolerability and Efficacy of Two Dosing Regimens of Olokizumab (OKZ), in Subjects With Rheumatoid Arthritis (RA) Who Previously Completed 24 Weeks of Blinded Treatment in One of the Core Studies - CREDO 1, 2 or 3.

Evaluation of the Effectiveness and Safety of Two Dosing Regimens of Olokizumab (OKZ), Compared to Placebo and Adalimumab, in Subjects With Rheumatoid Arthritis (RA) Who Are Taking Methotrexate But Have Active Disease

Safety Study Of Tofacitinib Versus Tumor Necrosis Factor (TNF) Inhibitor In Subjects With Rheumatoid Arthritis

Safety and Effectiveness of Live Zoster Vaccine in Anti-Tumor Necrosis Factor (TNF) Users (VERVE Trial)