DATE : 21-06-10 15:33
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A prospective, multicentre, randomised, open-label trial to compare the efficacy and safety of clopidogrel versus ticagrelor in stabilised patients with acute myocardial infarction after percutaneous coronary intervention
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WRITER :
stent
 HIT : 2,398
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Park MW, Kim CJ, Chang K, Kim MC, Choo EH, Hwang BH, Park CS, Kim HY, Yoo KD, Jeon DS, Jeong MH, Seung KB, Ahn Y
A prospective, multicentre, randomised, open-label trial to compare the efficacy and safety of clopidogrel versus ticagrelor in stabilised patients with acute myocardial infarction after percutaneous coronary intervention
EUROINTERVENTION
Aims: In patients undergoing percutaneous coronary intervention (PCI) for acute myocardial infarction (AMI), the risk of ischaemic complications is highest in the early phase (during the first 30 days), while most bleeding events occur predominantly during the maintenance phase of treatment (after the first 30 days). Data on the de-escalation of dual antiplatelet therapy by switching from ticagrelor to clopidogrel in stabilised AMI patients are limited. The aim of this study is to investigate the efficacy and safety of switching from ticagrelor to clopidogrel in AMI patients with no adverse event during the first month after the index PCI with newer-generation DES.
Methods and results: TALOS-AMI is a multicentre, randomised, open-label study enrolling 2,590 AMI patients with no adverse events during the first month after the index PCI. One month after the index PCI, eligible patients are randomly assigned either to 1) aspirin 100 mg plus clopidogrel 75 mg daily, or to 2) aspirin 100 mg plus ticagrelor 90 mg twice daily, in a 1:1 ratio. The primary endpoint is a composite of cardiovascular death, MI, stroke, and bleeding type 2, 3 or 5 according to the Bleeding Academic Research Consortium (BARC) criteria from 1 to 12 months after the index PCI.
Conclusions: The TALOS-AMI trial is the first large-scale, multicentre, randomised study exploring the efficacy and safety of the de-escalation of antiplatelet therapy by switching from ticagrelor to clopidogrel in stabilised AMI patients undergoing PCI.
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