This open-label, single-arm study will evaluate the safety, efficacy, and tolerability of subcutaneously administered RoActemra/Actemra (tocilizumab) in monotherapy or in combination with methotrexate (MTX) or other non-biologic disease-modifying antirheumatic drugs (DMARDs) in patients with active rheumatoid arthritis who are naïve to RoActemra/Actemra. Patients will receive RoActemra/Actemra 162 mg subcutaneously weekly for 24 weeks.

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