Status: Recruiting
The Fourth Left Atrial Appendage Occlusion Study
LAAOS-4 aims to determine if catheter-based endovascular left atrial appendage occlusion prevents ischemic stroke or systemic embolism in participants with atrial fibrillation, who remain at high risk of stroke, despite receiving ongoing treatment with oral anticoagulation.
Participants needed: 4,000
Trial details
Age: 18+Biological sex: AllType: InterventionalSponsor: Hamilton Health Sciences CorporationUpdated: Jun 8, 2026Locations: 140
Eligibility criteria
(a) Persistent or permanent atrial fibrillation OR (b) Paroxysmal atrial fibrill... [+2]
Age < 18 years [+9]