Coronary Artery Disease Clinical Trial
Official title:
The Canadian CABG or PCI in Patients With Ischemic Cardiomyopathy Trial
The Canadian CABG or PCI in Patients With Ischemic Cardiomyopathy (STICH3C) trial is a prospective, unblinded, international multi-center randomized trial of 754 subjects enrolled in approximately 45 centers comparing revascularization by percutaneous coronary intervention (PCI) vs. coronary artery bypass grafting (CABG) in patients with multivessel/left main (LM) coronary artery disease (CAD) and reduced left ventricular ejection fraction (LVEF). The primary objective is to determine whether CABG compared to PCI is associated with a reduction in all-cause death, stroke, spontaneous myocardial infarction (MI), urgent repeat revascularization (RR), or heart failure (HF) readmission over a median follow-up of 5 years in patients with multivessel/LM CAD and ischemic left ventricular dysfunction (iLVSD). Eligible patients are considered by the local Heart Team appropriate and amenable for non-emergent revascularization by both modes of revascularization. The secondary objectives are to describe the early risks of both procedures, and a comprehensive set of patient-reported outcomes longitudinally.
The evidence comparing PCI and CABG with medical therapy in patients with iLVSD has been the subject of multiple systematic reviews/meta-analyses of observational studies with inconsistent results. There is a current lack of evidence from properly powered randomized trials comparing contemporary state-of-the-art PCI vs. CABG to guide the clinical management in the vulnerable population of patients with iLVSD. Understanding the relative impact of both revascularization strategies on clinical outcomes in this prevalent population would have important clinical implications. The overarching aim of the STICH3C trial is to compare the clinical efficacy and safety of contemporary PCI and CABG to treat patients with multivessel/left main (LM) CAD and iLVSD. Participants will be allocated in a 1:1 ratio to either study arm using permuted block randomization stratified for study center and acute coronary syndrome (ACS) presentation through a centrally controlled, automated, web system. Eligible patients who provide informed consent can be enrolled. It is expected that initial revascularization will take place within 2 weeks of randomization. Staged PCI is expected to take place within 90 days of randomization. The recruitment will occur over 3 years, with a total study duration of 7 years, and a median duration of follow-up of 5 years. ;
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