| Recruiting | 3 | 3200 | Europe, Canada, US | Antiplatelet-only strategy, Oral Anticoagulant plus background antiplatelet therapy | Icahn School of Medicine at Mount Sinai, National Heart, Lung, and Blood Institute (NHLBI), Vanderbilt University Medical Center | Atrial Fibrillation, Stroke, Bleeding | 08/26 | 08/26 | | |
| Recruiting | N/A | 100000 | Europe | | German Aortic Valve Registry, German Society for Thoracic and Cardiovascular Surgery, German Cardiac Society, BQS Institute for Quality and Patient Safety, Deutsches Zentrum für Herz-Kreislauf-Forschung (DZHK) | Aortic Valve Insufficiency, Aortic Valve Stenosis | 12/22 | 12/22 | | |