Rheumatology Advance Access originally published online on October 31, 2006
Rheumatology 2006 45(12):1573-1575; doi:10.1093/rheumatology/kel365
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© The Author 2006. Published by Oxford University Press on behalf of the British Society for Rheumatology. All rights reserved. For Permissions, please email: journals.permissions@oxfordjournals.org
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Three months treatment of active spondyloarthritis with imatinib mesylate: an open-label pilot study with six patients
Department of Internal Medicine, Division of Rheumatology, and 1Department of Dermatology, Helsinki University Central Hospital, Helsinki, Finland and 2Rheumatism Foundation Hospital, Heinola, Finland
Correspondence to: Kari Eklund, Helsinki University Central Hospital, Kasarmikatu 11-13, 00130 Helsinki, Finland. E-mail: kari.eklund@HUS.fi
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SIR, Current conventional anti-rheumatic therapies show limited efficacy in the treatment of spondyloarthritides. Imatinib mesylate (Gleevec®) is a relatively well-tolerated [1] selective inhibitor of tyrosine kinases, which include platelet-derived growth factor receptor, c-kit and macrophage colony-stimulating factor receptor [2]. All of these kinases have been implicated in the pathogenesis of inflammatory synovitis. Recent findings have suggested that imatinib may possess anti-rheumatic activity [34]. Therefore, we studied whether imatinib mesylate could have anti-rheumatic activity in the treatment of spondyloarthritides.