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Tofacitinib in Combination With Nonbiologic Disease-Modifying Antirheumatic Drugs in Patients With Active Rheumatoid Arthritis A Randomized Trial ANNALS OF INTERNAL MEDICINE Kremer, J., Li, Z., Hall, S., Fleischmann, R., Genovese, M., Martin-Mola, E., Isaacs, J. D., Gruben, D., Wallenstein, G., Krishnaswami, S., Zwillich, S. H., Koncz, T., Riese, R., Bradley, J. 2013; 159 (4): 253-?

Abstract

Many patients with rheumatoid arthritis (RA) do not achieve adequate and safe responses with disease-modifying antirheumatic drugs (DMARDs). Tofacitinib is a novel, oral, Janus kinase inhibitor that treats RA.To evaluate the efficacy and safety of tofacitinib in combination with nonbiologic DMARDs.1-year, double-blind, randomized trial (ClinicalTrials.gov: NCT00856544).114 centers in 19 countries.792 patients with active RA despite nonbiologic DMARD therapy.Patients were randomly assigned 4:4:1:1 to oral tofacitinib, 5 mg or 10 mg twice daily, or placebo advanced to tofacitinib, 5 mg or 10 mg twice daily.Primary end points were 20% improvement in American College of Rheumatology (ACR20) criteria; Disease Activity Score for 28-joint counts based on the erythrocyte sedimentation rate (DAS28-4[ESR]) of less than 2.6; DAS28-4(ESR)-defined remission, change in Health Assessment Questionnaire Disability Index (HAQ-DI) score, and safety assessments.Mean treatment differences for ACR20 response rates (month 6) for the 5-mg and 10-mg tofacitinib groups compared with the combined placebo groups were 21.2% (95% CI, 12.2% to 30.3%; P < 0.001) and 25.8% (CI, 16.8% to 34.8%; P < 0.001), respectively. The HAQ-DI scores (month 3) and DAS28-4(ESR) less than 2.6 response rates (month 6) were also superior in the tofacitinib groups versus placebo. The incidence rates of serious adverse events for patients receiving 5-mg tofacitinib, 10-mg tofacitinib, or placebo were 6.9, 7.3, or 10.9 events per 100 patient-years of exposure, respectively. In the tofacitinib groups, 2 cases of tuberculosis, 2 cases of other opportunistic infections, 3 cardiovascular events, and 4 deaths occurred. Neutrophil counts decreased, hemoglobin and low- and high-density lipoprotein cholesterol levels increased, and serum creatinine levels had small increases in the tofacitinib groups.Placebo groups were smaller and of shorter duration. Patients received primarily methotrexate. The ability to assess drug combinations other than tofacitinib plus methotrexate was limited.Tofacitinib improved disease control in patients with active RA despite treatment with nonbiologic DMARDs, primarily methotrexate.Pfizer.

View details for Web of Science ID 000323421700015

View details for PubMedID 24026258