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Clopidogrel and Proton Pump Inhibitors: A New Drug Interaction?

机译:氯吡格雷和质子泵抑制剂:新药相互作用?

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Clopidogrel is a thienopyridine platelet antagonist that irreversibly inhibits the binding of adenosine diphosphate to platelet receptors, ultimately leading to inhibition of platelet aggregation. Clopidogel is a prodrug requiring hepatic bioactivation via cytochrome P450 isozymes (CYP2C19, CYP3A4, CYP3A5) to its pharmacologically active form. Inhibition of cytochrome P450 may interfere with metabolic activation of clopidogrel, reducing its antiplatelet activity and potentially increasing the risk of thrombosis. More recendy, the cytochrome P450 2C19 pathway has been identified as the key pathway in clopidogrel bioactivation.
机译:氯吡格雷是噻吩并吡啶血小板拮抗剂,它不可逆地抑制二磷酸腺苷与血小板受体的结合,最终导致抑制血小板聚集。 Clopidogel是一种前药,需要通过细胞色素P450同工酶(CYP2C19,CYP3A4,CYP3A5)进行肝生物激活,以使其具有药理活性形式。细胞色素P450的抑制作用可能会干扰氯吡格雷的代谢活化,降低其抗血小板活性并可能增加血栓形成的风险。更为现实的是,细胞色素P450 2C19途径已被确定为氯吡格雷生物激活的关键途径。

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