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To analyze the cost-effectiveness of two common treatment strategies in Iran, comparing infliximab plus methotrexate with tocilizumab plus methotrexate in patients with rheumatoid arthritis with inadequate response to traditional disease-modifying antirheumatic drugs.

A multistage Markov decision model was applied to assess the incremental cost-effectiveness ratio (ICER) of a tocilizumab-containing regimen versus an infliximab-containing regimen over a 5-year time period. In the case of no response, we assumed that patients switched to the next treatment (adalimumab, rituximab, or supportive care) in sequence for each strategy. We considered major cost items, such as direct medical costs and direct nonmedical costs, from a payer (patients and third-party payers) perspective. A deterministic sensitivity analysis was conducted to assess the robustness of the model results over the uncertainty …