In this issue of the Journal, Bennett et al. describe 11 casesof thrombotic thrombocytopenic purpura that occurred in patientsduring or shortly after they received clopidogrel.1 The evidencelinking clopidogrel to the development of thrombotic thrombocytopenicpurpura is strengthened by the finding that the disorder beganwithin 14 days after the initiation of clopidogrel therapy inall but one patient.
Thrombotic thrombocytopenic purpura is known to occur in patientswho are treated with ticlopidine, a similar antiplatelet drug.The similarities between ticlopidine and clopidogrel extendbeyond their mechanism of action. Both drugs inhibit plateletaggregation in response to adenosine . . . [Full Text of this Article]
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Clopidogrel and Thrombotic Thrombocytopenic Purpura
Salliere D., Kassler-Taub K. B., Trontell A. E., Honig P. K., Brooker J. Z., Cheung R. T.F., Goldstein M. R., Bennett C. L., Connors J. M., Moake J. L., Wood A. J.J.
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N Engl J Med 2000;
343:1191-1194, Oct 19, 2000.
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