Last updated on March 2018

APixaban vs. PhenpRocoumon in Patients With ACS and AF: APPROACH-ACS-AF

Brief description of study

It is hypothesised that a dual therapy strategy by oral anticoagulation with the new Factor-Xa-inhibitor apixaban plus clopidogrel is superior to a triple therapy regimen with phenprocoumon plus acetylsalicylic acid (ASA) and clopidogrel with respect to avoiding bleeding events in patients with atrial fibrillation undergoing percutaneous coronary intervention in the setting of an acute coronary syndrome.

Detailed Study Description

Patients with atrial fibrillation (AF) presenting an acute coronary syndrome (ACS) and undergoing PCI require a triple therapy with a combination of oral anticoagulation (OAC) and dual anti-platelet therapy. Current guidelines recommend a regimen consisting of aspirin, clopidogrel and an oral anticoagulant. Although effective in preventing recurrent ischemia, triple therapy confers an elevated bleeding risk, which also has a major impact on the patients' prognosis and survival. Data from one randomized trial suggest that omitting aspirin in patients with indication for triple therapy may reduce the risk of bleeding without an increase of the rate of ischemic events. In addition, the recently introduced non-vitamin-K oral anticoagulants (NOACs) show less bleeding events as compared to vitamin-K antagonist in AF patients. In this trial it is postulated that a dual therapy consisting of the factor-Xa inhibitor apixaban and clopidogrel is associated with significant lower bleeding rates as compared to traditional triple therapy with aspirin, clopidogrel and a vitamin K antagonist (VKA). To test this hypothesis, patients with atrial fibrillation, who underwent PCI in the setting of an ACS will be randomized to either a dual therapy (apixaban+clopidogrel) or a triple therapy (aspirin+clopiodgrel+VKA). The patients will be followed-up for 6 months after randomization.

Clinical Study Identifier: NCT02789917

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Recruitment Status: Open

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