International journal of rheumatic diseases
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The relative efficacy and safety of tofacitinib and upadacitinib were assessed in patients with rheumatoid arthritis (RA) with an inadequate response to conventional synthetic (cs) or biologic (b) disease-modifying anti-rheumatic drugs (DMARDs). ⋯ In RA patients with an inadequate response to cs- or b-DMARDs, upadacitinib 15 mg + MTX and upadacitinib 30 mg + MTX were the most efficacious interventions and were not associated with significant risks of serious adverse events.