• Vibeke Strand, Gerd R Burmester, Cristiano A F Zerbini, Charles A Mebus, Samuel H Zwillich, David Gruben, and Gene V Wallenstein.
• Biopharmaceutical consultant, Portola Valley, California.
• Arthritis Care Res (Hoboken). 2015 Apr 1;67(4):475-83.

ObjectiveTo assess patient-reported outcomes (PROs) for tofacitinib, an oral JAK inhibitor for the treatment of rheumatoid arthritis (RA), in a 6-month, phase III, randomized controlled trial.MethodsPatients ages ≥18 years with active RA with an inadequate response to ≥1 tumor necrosis factor inhibitor (TNFi) and receiving stable background methotrexate were randomized 2:2:1:1 to tofacitinib 5 mg or 10 mg twice daily, or placebo advanced to tofacitinib 5 mg or 10 mg twice daily at month 3. PROs measured at month 3 included patient global assessment of disease activity (PtGA), pain, Health Assessment Questionnaire (HAQ) disability index (DI), Medical Outcomes Study (MOS) Short Form 36 Health Survey version 2 (SF-36v2; acute), Functional Assessment of Chronic Illness Therapy-Fatigue (FACIT-F), and MOS Sleep Scale.ResultsPatients received tofacitinib 5 mg (n = 133) or 10 mg (n = 134) or placebo advanced to tofacitinib 5 mg (n = 66) or 10 mg (n = 66). HAQ DI (reported previously), PtGA (P < 0.0001), and SF-36v2 physical and mental component summary (P < 0.05) scores were improved for both tofacitinib doses versus placebo. Furthermore, improvements greater than or equal to the minimum clinically important difference were more frequently reported by tofacitinib-treated patients versus placebo for PtGA (P < 0.05), pain (P < 0.0001), HAQ DI (P < 0.05), SF-36v2 physical and mental component summary scores (P < 0.05), and FACIT-F (P < 0.001 for 5 mg twice daily). No statistical differences were observed in the MOS Sleep Scale.ConclusionTofacitinib treatment resulted in significant, clinically meaningful improvements in multiple PROs versus placebo over 3 months of treatment in patients with active RA and a previous inadequate response to TNFi.Copyright © 2015 by the American College of Rheumatology.

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