Atherosclerosis Clinical Trial
Official title:
Resistance to Antithrombotic Therapy in Patients Undergoing Angioplasty and Stenting for Cardiovascular Disease - Vienna REACT
Clopidogrel plays a pivotal role in the antithrombotic regimen after percutaneous intervention with stent implantation. However, response to clopidogrel shows a wide interindividual variability and a high on-treatment residual ADP-inducible platelet reactivity has already been associated with an increased risk for adverse events after coronary stenting. In the present study, platelet reactivity will be determined by 6 different platelet function tests in patients on dual antiplatelet therapy after angioplasty and stenting for peripheral, coronary and carotid artery disease. One hundred patients showing high on-treatment residual ADP-inducible platelet reactivity in 2 or more tests will be randomized to receive either 75mg or 150mg of daily clopidogrel in addition to aspirin for 3 months. The aim of the present study is to investigate the effects of intensified antithrombotic therapy (150mg clopidogrel + 100mg aspirin daily) versus standard antithrombotic therapy (75mg clopidogrel + 100mg aspirin daily) in patients with decreased clopidogrel-mediated platelet inhibition after percutaneous intervention with stent implantation.
n/a
Allocation: Randomized, Endpoint Classification: Efficacy Study, Intervention Model: Parallel Assignment, Masking: Open Label, Primary Purpose: Treatment
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