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J. Am. Coll. Cardiol. · Mar 2019
Randomized Controlled Trial Multicenter StudyInterval From Initiation of Prasugrel to Coronary Angiography in Patients With Non-ST-Segment Elevation Myocardial Infarction.
- Johanne Silvain, Tomasz Rakowski, Benoit Lattuca, Zhenyu Liu, Leonardo Bolognese, Patrick Goldstein, Christian Hamm, Jean-Francois Tanguay, Jur Ten Berg, Petr Widimsky, Debra Miller, Jean-Jacques Portal, Jean-Philippe Collet, Eric Vicaut, Gilles Montalescot, Dariusz Dudek, and ACCOAST Investigators.
- Sorbonne University, ACTION Study Group, INSERM UMRS 1166, ICAN, Institut de Cardiologie, Hôpital Pitié-Salpêtrière (AP-HP), Paris, France. Electronic address: https://twitter.com/Docjohanne.
- J. Am. Coll. Cardiol. 2019 Mar 5; 73 (8): 906-914.
BackgroundIn the ACCOAST (A Comparison of Prasugrel at PCI or Time of Diagnosis of Non-ST Elevation Myocardial Infarction) trial, the prasugrel pre-treatment strategy versus placebo was associated with excess bleeding complications and no improved ischemic outcome in non-ST-segment elevation myocardial infarction (MI). Whether patients with the longest pre-treatment duration had an ischemic benefit is unknown.ObjectivesThis pre-specified analysis of the ACCOAST trial aimed to assess the effect of pre-treatment duration with prasugrel (time from randomization to angiography) on outcomes.MethodsWithin the 4,033 patients randomized in the ACCOAST trial, pre-treatment duration was available in 4,001 patients (99.2%). The population of the trial was divided into quartiles of pre-treatment duration (0.1 to 2.5 h, 2.5 to 3.9 h, 3.9 to 13.6 h, and >13.6 h) with an evaluation of the primary efficacy endpoint of cardiovascular death, MI, stroke, urgent revascularization or glycoprotein IIb/IIIa inhibitor bailout use. Secondary efficacy outcomes including cardiovascular death, MI, or stroke; all-cause death; stent thrombosis and safety outcomes (all coronary artery bypass graft [CABG] or non-CABG TIMI [Thrombolysis In Myocardial Infarction] major bleeding) were also evaluated at 7 days.ResultsThe primary efficacy outcome of cardiovascular death, MI, stroke, urgent revascularization or glycoprotein IIb/IIIa inhibitor bailout use did not differ between the quartiles of pre-treatment duration in the trial population (p = 0.17 for interaction). None of the secondary efficacy outcomes were found to be dependent on pre-treatment duration. The safety outcome of all CABG or non-CABG TIMI major bleeding did not differ between the quartiles of pre-treatment duration (p = 0.37 for interaction).ConclusionsIn non-ST-segment elevation MI patients, the excess risk of bleeding and the absence of ischemic benefit were consistent across the quartiles of increasing duration of prasugrel pre-treatment. (A Comparison of Prasugrel at PCI or Time of Diagnosis of Non-ST Elevation Myocardial Infarction [ACCOAST]; NCT01015287).Copyright © 2019 American College of Cardiology Foundation. Published by Elsevier Inc. All rights reserved.
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