A Study of RoActemra/Actemra (Tocilizumab) in Combination With Methotrexate in Patients With Active Rheumatoid Arthritis Who Have an Inadequate Response to Disease-Modifying Antirheumatic Drugs (DMARDs) (ALABASTER)

This open-label, single arm study will assess the safety and efficacy of RoActem ra/Actemra (tocilizumab) in combination with methotrexate in patients with activ e moderate to severe rheumatoid arthritis who have an inadequate response to dis ease-modifying antirheumatic drugs (DMARDs). Patients will receive RoActemra/Act emra at a dose of 8 mg/kg (maximum 800 mg) intravenously every 4 weeks for a tot al of 6 infusions. Methotrexate will be continued at a stable dose. Anticipated time on study treatment is 24 weeks.