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  • Title: Prasugrel: a new antiplatelet drug for the prevention and treatment of cardiovascular disease.
    Author: Koo MH, Nawarskas JJ, Frishman WH.
    Journal: Cardiol Rev; 2008; 16(6):314-8. PubMed ID: 18923235.
    Abstract:
    Prasugrel, trade name Effient, is an investigational new antiplatelet drug currently under review for clinical use by the Food and Drug Administration. It is a thienopyridine analog with a structure similar to that of clopidogrel and ticlopidine. Thienopyridine derivatives inhibit platelet aggregation induced by adenosine diphosphate by irreversibly inhibiting the binding of adenosine diphosphate to the purinergic P2Y12 receptor on the platelet surface. Prasugrel has been shown to be a potent antiplatelet agent with a faster, more consistent, and greater inhibition of platelet aggregation compared with clopidogrel. It is debatable, however, how effectively these pharmacologic benefits will translate to clinical benefits. The results of the large TRITON-TIMI 38 trial, which compared prasugrel and clopidogrel in patients with acute coronary syndrome who were scheduled to receive coronary stents, demonstrated a significant reduction in ischemic events, including stent thrombosis, with prasugrel, but with an increased risk of major bleeding. The exact role of prasugrel in the management of ischemic heart disease is still being defined, but the risk:benefit ratio will likely play a major role in directing the best place for therapy with this new agent.
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