The OPTIA-AF trial is a prospective, multicenter randomized controlled trial designed to evaluate a rhythm-guided antithrombotic strategy in patients with atrial fibrillation (AF) who maintain durable sinus rhythm after catheter ablation and have a history of prior drug-eluting stent (DES) implantation. Current guidelines generally recommend long-term oral anticoagulation (OAC) in patients with AF, even after successful ablation, while antiplatelet therapy remains essential for prevention of coronary ischemic events following percutaneous coronary intervention. OPTIA-AF tests whether discontinuation of non-vitamin K antagonist oral anticoagulant (NOAC) therapy with transition to single antiplatelet therapy (SAPT) is non-inferior to continued NOAC therapy in patients who maintain sinus rhythm for at least 12 months after AF ablation. Participants will be randomized in a 1:1 ratio to either continued NOAC therapy or NOAC discontinuation with SAPT. The primary endpoint is a 24-month composite net clinical outcome including ischemic stroke, systemic embolism, myocardial infarction, definite or probable stent thrombosis, cardiovascular death, and major bleeding.
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Number of participants with net clinical outcome events
Timeframe: From randomization up to 24 months