FRIDAY, Jan. 25 (HealthDay News) -- Tofacitinib slows the progression of joint damage and improves disease activity in patients with rheumatoid arthritis (RA), according to a study published online Jan. 24 in Arthritis & Rheumatism.Desiree van der Heijde, M.D., Ph.D., from the Leiden University Medical Center in the Netherlands, and colleagues randomly assigned 797 patients with RA who did not respond to methotrexate to receive tofacitinib or placebo. Patients received 5 or 10 mg tofacitinib twice a day. Patients in the placebo group were switched to 5 or 10 mg tofacitinib after three months if they did not respond, and all remaining placebo patients were switched to tofacitinib after six months.
The researchers found that, at six months, the American College of Rheumatology 20 percent improvement criteria response rates were significantly higher for both tofacitinib groups compared to the placebo group (51.5 percent for 5 mg, 61.8 percent for 10 mg, and 25.3 percent for placebo). The tofacitinib groups had reduced progression of joint erosion and joint space narrowing and a greater percentage of patients with no radiographic progression.
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