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Circulation Journal
Vol. 76 (2012) No. 2 p. 287-292




Oral antiplatelet agents targeting the platelet P2Y12 receptor are an integral component of treating patients with acute coronary syndrome and those undergoing percutaneous coronary intervention. Clopidogrel has been the most commonly used agent in this respect worldwide. However, there are certain shortcomings of clopdiogrel, the most important of which is the wide response variability of platelet inhibition. The response to clopidogrel is affected by various clinical variables, genetic variations involved in its activation, and drug-drug interactions. Therefore, clinicians are faced with challenges in situations where high inhibition of platelets is necessary and in cases where the response to clopidogrel may be suboptimal. There are various ways of overcoming the response variability and this review will focus on the practical methods available. Namely, the data and evidence regarding increasing the dose of clopidogrel, adding cilostazol to standard dual antiplatelet therapy, and switching to more recently developed agents will be covered. (Circ J 2012; 76: 287-292)


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