• Luca Baldetti, Francesco Melillo, Francesco Moroni, Guglielmo Gallone, Matteo Pagnesi, Angela Venuti, Alessandro Beneduce, Francesco Calvo, Mario Gramegna, Cosmo Godino, Fabrizio D'Ascenzo, Gaetano M De Ferrari, Davide Capodanno, and Alberto M Cappelletti.
• Cardiac Intensive Care Unit, Istituto di Ricovero e Cura a Carattere Scientifico San Raffaele Scientific Institute, Milan, Italy. Electronic address: luca.baldetti@gmail.com.
• Am. J. Cardiol. 2020 Jun 15; 125 (12): 1815-1822.

AbstractDual antiplatelet therapy combining aspirin with a P2Y12-receptor inhibitor reduces atherothrombotic events following an acute coronary syndromes (ACS), but the relative merits of different P2Y12 inhibitors remain unclear, despite several recent large-scale trials. We performed a network meta-analysis, representing the largest evidence to date to inform P2Y12 inhibitor choice in patients with ACS. Fourteen studies were included, for a total population of 145,019 patients. The Preferred Reporting Items for Systematic Reviews and Meta-Analyses guidelines were used in this systematic review. A network meta-analysis using a frequentist approach with surface under the cumulative ranking probability calculation was performed. Major adverse cardiovascular events (MACE), all-cause death, myocardial infarction (MI), definite stent thrombosis (ST) and major bleeding at 30-day and 1-year all-cause death and MI were the study endpoints. At 30-day, prasugrel was superior to both clopidogrel and ticagrelor in MACE, all-cause death and definite ST endpoints. Both prasugrel and ticagrelor were superior to clopidogrel in MI endpoint. Ticagrelor also reduced all-cause death compared with clopidogrel. Ticagrelor, prasugrel, and clopidogrel resulted equivalent in terms of the safety outcome of 30-day major bleeding. No significant difference was found among clopidogrel, prasugrel, and ticagrelor with respect to 1-year MACE outcome. Both prasugrel and ticagrelor reduced the occurrence of 1-year all-cause death compared with clopidogrel. Prasugrel reduced 1-year MI rate as compared with clopidogrel, while ticagrelor did not. At probability analyses, prasugrel ranked best in all 30-day and 1-year efficacy and safety endpoints. In conclusion, in this network meta-analysis, prasugrel showed the highest efficacy in reducing adverse outcomes in ACS patients and had the highest probability of being the best P2Y12 inhibitor to reduce hard adverse events both at 30-day and 1-year follow-up.Copyright © 2020 Elsevier Inc. All rights reserved.

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