Acute Coronary Syndrome Clinical Trial
Official title:
POPular GUILTY PILOT: Genotype-guided Clopidogrel Monotherapy
The goal of this pilot clinical trial is to test the safety and effectiveness of genotype-guided clopidogrel monotherapy in patients presenting with Non-ST-Segment Elevation Acute Coronary Syndrome (NSTE-ACS) who have undergone successful Percutaneous Coronary Intervention (PCI). The main questions it aims to answer are: - Is genotype-guided clopidogrel monotherapy effective in reducing ischemic risk during the first six months following successful PCI? - Is genotype-guided clopidogrel monotherapy safe in terms of reducing bleeding risk during the first six months following successful PCI? Participants will be given genotype-guided clopidogrel monotherapy after their successful PCI procedure and will be monitored for any bleeding or ischemic complications over the next six months. Researchers will compare these results to the typical outcomes associated with traditional Dual antiplatelet therapy (DAPT) to see if genotype-guided clopidogrel monotherapy provides similar or improved protection from ischemic events, but with fewer bleeding complications.
Rationale: Dual antiplatelet therapy (DAPT) consisting of aspirin and a P2Y12 inhibitor is the cornerstone of treatment in patients receiving coronary stent implantation, reducing the risk of stent thrombosis (ST), myocardial infarction (MI) and stroke. However, the need for aspirin is currently challenged as both technical and pharmaceutical advancements reduced atherothrombotic complications such as ST and MI after percutaneous coronary intervention (PCI) and DAPT is associated with bleeding complications. Single antiplatelet therapy (SAPT) after a 1-3 month period of DAPT demonstrated fewer bleeding complications with a similar level of ischemic complications. In addition, potent P2Y12 inhibitor monotherapy was deemed safe without any ST in a pilot study and is currently being investigated in a randomized controlled clinical trial. Since clopidogrel is equally effective in prevention of ischemic complications to ticagrelor and prasugrel in CYP2C19 extensive or ultra-rapid metabolizers, while causing less bleeding complications, this pilot study will explore the safety of genotype-guided clopidogrel monotherapy in CYP2C19 extensive or ultra-rapid metabolizers presenting with Non-ST-Segment Elevation Acute Coronary Syndrome (NSTE-ACS) undergoing successful PCI. Hypothesis: Genotype-guided clopidogrel monotherapy is safe in regards to bleeding and ischemic endpoints in NSTE-ACS patients undergoing successful PCI. Objective: 1. To assess ischemic risk (i.e. efficacy) of genotype-guided clopidogrel monotherapy during the first 6 months following successful PCI in NSTE-ACS patients. 2. To assess bleeding risk (i.e. safety) of genotype-guided clopidogrel monotherapy during the first 6 months following successful PCI in NSTE-ACS patients. ;
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