• S Kary and G R Burmester.
• Department of Rheumatology and Immunology, Charité University Clinic, Berlin, Germany.
• Int. J. Clin. Pract. 2003 Apr 1; 57 (3): 231-4.

AbstractRheumatoid arthritis is an immunologically mediated inflammation of joints of unknown aetiology and often leads to disability. This inflammatory process may also involve extra-articular connective tissue. New therapeutic approaches have been made by inhibition of proinflammatory cytokines. Interleukin-1 (IL-1) is regarded as one of the most important mediators in the development of synovialitis. In this article, anakinra (Kineret), the first direct antagonist to IL-1, is discussed, in particular the efficacy and safety data from clinical trials. More than 10,000 patients have been treated with anakinra with significant improvement of inflammation and pain; the rate of radiologically visible progressive joint damage was significantly reduced. Among the adverse events, injection site reactions were most frequent, followed by a mild increase in infections. No activation of tuberculosis, as in tumour necrosis factor-alpha antagonist administration, has so far been reported.

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