A Study of Tocilizumab (RoActemra/Actemra) in Monotherapy or in Combination With Methotrexate or Other Non-Biologic DMARDs in Participants With Active Rheumatoid Arthritis and an Inadequate Response to Current Non-Biologic DMARD Therapy or the First Anti-TNF Biologic Agent

This open-label study will evaluate the efficacy and safety of tocilizumab as monotherapy or in combination with methotrexate or other non-biologic disease modifying anti-rheumatic drugs (DMARDs) in participants with active rheumatoid arthritis (RA) and an inadequate response to current non-biologic DMARD therapy or the first anti-tumour necrosis factor (anti-TNF) agent. Participants will receive tocilizumab 162 milligrams (mg) subcutaneously once a week for 52 weeks.