Study design and rationale of a comparison of prasugrel and clopidogrel in medically managed patients with unstable angina/non-ST-segment elevation myocardial infarction: the TaRgeted platelet Inhibition to cLarify the Optimal strateGy to medicallY manage Acute Coronary Syndromes (TRILOGY ACS) trial

TRILOGY ACS Steering Committee, Chee Tang Chin, Matthew T Roe, Keith A A Fox, Dorairaj Prabhakaran, Debra A Marshall, Helene Petitjean, Yuliya Lokhnygina, Eileen Brown, Paul W Armstrong, Harvey D White, E Magnus Ohman

Research output: Contribution to journalArticlepeer-review

Abstract

Practice guidelines recommend dual antiplatelet therapy with aspirin and clopidogrel for patients with non-ST-segment elevation acute coronary syndromes (NSTE ACS) regardless of in-hospital management strategy. Prasugrel-a thienopyridine adenosine diphosphate receptor antagonist that provides higher and less variable levels of platelet inhibition than clopidogrel-has demonstrated benefit when used to treat ACS patients undergoing percutaneous coronary intervention. However, the optimal approach to antiplatelet therapy for high-risk, medically managed NSTE ACS patients remains uncertain, as these patients have not been the focus of previous clinical trials of these therapies. TRILOGY ACS is a phase 3, randomized, double-blind trial enrolling approximately 10,300 NSTE ACS patients within 10 days of presentation with either unstable angina or NSTE myocardial infarction who are not intended to undergo revascularization procedures for their index event. Patients will be randomly allocated to prasugrel + aspirin versus clopidogrel + aspirin for a median duration of 18 months. A reduction in the maintenance dose of prasugrel for elderly patients (age >or=75 years) and those with body weight or=75 years). TRILOGY ACS is the largest randomized clinical trial to date focusing exclusively on medically managed NSTE ACS patients and will provide important information regarding the optimal approach to oral antiplatelet therapy for this high-risk, understudied population.
Original languageEnglish
Pages (from-to)16-22.e1
JournalAmerican Heart Journal
Volume160
Issue number1
DOIs
Publication statusPublished - 2010

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