Anti-tumor necrosis factor therapy in patients with difficult to treat Takayasu arteritis
Abstract
Granulomatous inflammation is a typical feature of Takayasu arteritis (TA), and tumor necrosis factor (TNF) is important in the formation of granulomas. In this study, we assessed therapy with anti-TNF agents in patients with TA that was not controlled by glucocorticoid therapy or other immunosuppressants. We conducted an open-label trial of anti-TNF therapy at 3 academic medical centers over a period of 4.25 years. Fifteen patients with active, relapsing TA (median 6 years) were selected. Seven received etanercept (later changed to infliximab in 3 patients), and 8 received infliximab. Relapses had occurred in all patients while they were receiving glucocorticoids and, in 13 patients, additional immunosuppressive drugs. No other agents were added to the treatment regimen concurrently with anti-TNF. If patients were receiving cytotoxic agents, the dosage was not increased. Clinical symptoms were recorded, and physical examinations, laboratory studies, and serial magnetic resonance imaging were performed. The median daily dose of prednisone required to maintain remission prior to anti-TNF therapy was 20 mg. Ten of the 15 patients achieved complete remission that was sustained for 1-3.3 years without glucocorticoid therapy. Four p...Continue Reading
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References
Takayasu arteritis: utility and limitations of magnetic resonance imaging in diagnosis and treatment
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