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Authors: Schnorbus, Boris
Daiber, Andreas
Jurk, Kerstin
Warnke, Silke
König, Jochem
Krahn, Ulrike
Lackner, Karl J.
Münzel, Thomas
Gori, Tommaso
Title: Effects of clopidogrel, prasugrel and ticagrelor on endothelial function, inflammatory and oxidative stress parameters and platelet function in patients undergoing coronary artery stenting for an acute coronary syndrome : a randomised, prospective, controlled study
Online publication date: 14-Sep-2022
Year of first publication: 2014
Language: english
Abstract: INTRODUCTION: Particularly in the setting of acute coronary syndromes, the interplay between vascular and platelet function has been postulated to have direct clinical implications. The present trial is designed to test the effect of clopidogrel, prasugrel and ticagrelor on multiple parameters of vascular function, platelet aggregation, oxidative and inflammatory stress before and up to 4 weeks after coronary artery stenting. METHODS AND ANALYSIS: The study is designed as a three-arm, parallel design, randomised, investigator-blinded study. Patients with unstable angina or non-ST elevation myocardial infarction undergoing coronary intervention with a drug-eluting stent will be randomised to receive 600 mg clopidogrel, 60 mg prasugrel or 180 mg ticagrelor followed by oral therapy with the same drug. The primary endpoint of the trial is the impact of antiplatelet treatments on endothelial function as assessed by flow-mediated dilation at 1 day, 1 week and 1 month in patients who have undergone stenting. Secondary endpoints include the impact of study medications on parameters of macrovascular and microvascular function, platelet reactivity, oxidative and inflammatory stress. The study recruitment is currently ongoing and, after an interim analysis which was performed at 50% of the initially planned population, it is planned to continue until July 2015. ETHICS AND DISSEMINATION: The protocol was approved by the local ethics committee. The trial will provide important pathophysiological insight on the relationship between platelet aggregation and endothelial function, two parameters that have been shown to influence patients' prognosis.
DDC: 610 Medizin
610 Medical sciences
Institution: Johannes Gutenberg-Universität Mainz
Department: FB 04 Medizin
Place: Mainz
Version: Published version
Publication type: Zeitschriftenaufsatz
License: CC BY-NC
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Journal: BMJ open
Pages or article number: e005268
Publisher: BMJ Publishing Group
Publisher place: London
Issue date: 2014
ISSN: 2044-6055
Publisher URL:
Publisher DOI: 10.1136/bmjopen-2014-005268
Appears in collections:DFG-OA-Publizieren (2012 - 2017)

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