NSAIDs (83.9% with abatacept, 85.1% with placebo); systemic corticosteroids (74.7% with abatacept, 75.8% with placebo); non-biological DMARD therapy, most commonly chloroquine/ hydroxychloroquine, leflunomide and/ or sulfasalazine (26.9% with abatacept, 32.1% with placebo); TNF blocking agents, mainly etanercept (9.4% with abatacept, 12.3% with placebo); and anakinra (1.1% with abatacept, 1.6% with placebo).