| Recruiting | Single vs. Dual Antiplatelet Therapy in Elderly or HBR Patients Undergoing Percutaneous Intervention With DCB NCT06535568 | Fondazione Ricerca e Innovazione Cardiovascolare ETS | N/A |
| Recruiting | Non-antithrombotic Versus. Single Antiplatelet Therapy Following Left Atrial Appendage Closure NCT07125417 | OCEAN-SHD Study Group | Phase 4 |
| Not Yet Recruiting | The PARTUM Trial: Postpartum Aspirin to Reduce Thromboembolism Undue Morbidity NCT06494878 | University of Calgary | Phase 3 |
| Recruiting | Immunomodulation During Pregnancy NCT06882850 | Unidade Local de Saúde de Coimbra, EPE | — |
| Recruiting | The Effect of Aspirin on Recurrent Acute Pancreatitis NCT06185621 | Air Force Military Medical University, China | N/A |
| Active Not Recruiting | Low Dose Aspirin Alerts in High-Risk Pregnancies NCT05802940 | Geisinger Clinic | N/A |
| Recruiting | Assessing Pharmacokinetics and Pharmacodynamics of Daily Enteric-coated Aspirin in Patients With StablE Diabet NCT05702463 | Montreal Heart Institute | Phase 1 |
| Recruiting | Non-antithrombotic Therapy After Transcatheter Aortic Valve Implantation Trial NCT06007222 | OCEAN-SHD Study Group | Phase 4 |
| Recruiting | Chronic Hypertension and Acetyl Salicylic Acid in Pregnancy NCT04356326 | Centre Hospitalier Intercommunal Creteil | Phase 3 |
| Completed | Pilot PARTUM Trial: Postpartum Aspirin to Reduce Thromboembolism Undue Morbidity NCT04153760 | University of Calgary | EARLY_Phase 1 |
| Recruiting | Aspirin Use for Gastric Cancer Prevention in the Early Gastric Cancer Patients NCT04214990 | National Cancer Center, Korea | Phase 3 |
| Unknown | Protective Effect of Aspirin on COVID-19 Patients NCT04365309 | Xijing Hospital | Phase 2 / Phase 3 |
| Completed | INdobufen Versus aSpirin in acUte Ischemic stRokE,INSURE NCT03871517 | Beijing Tiantan Hospital | Phase 4 |
| Unknown | When Should Low-dose Aspirin be Resumed After Peptic Ulcer Bleeding? NCT03785015 | Chinese University of Hong Kong | N/A |
| Completed | Serum Thromboxane B2 Assay as a Measure of Platelet Production in Healthy Volunteers Taking Aspirin NCT03424408 | Hamilton Health Sciences Corporation | N/A |
| Unknown | Influence of Aspirin on Human Gut Microbiota Composition and Metabolome NCT03450317 | Chinese University of Hong Kong | N/A |
| Unknown | Aspirin as an add-on Treatment of Refractory Epilepsy in Tuberous Sclerosis Complex NCT03356769 | Peking Union Medical College Hospital | Phase 2 |
| Completed | The Prevention of Thromboembolic Complications Associated With Coil Embolization NCT05512546 | Muhammad Hassan | — |
| Unknown | Effect of Preoperative Aspirin in Patients Undergoing Off-pump Coronary Artery Bypass Grafting NCT03049085 | Medinet Heart Centre | Phase 4 |
| Unknown | Reversal of the Antiplatelet Effects of Ticagrelor in Combination With Aspirin, Using Normal Platelets NCT03005704 | Hamilton Health Sciences Corporation | N/A |
| Unknown | Preventive Application of GnRH Antagonist on Early OHSS NCT03188471 | First Affiliated Hospital, Sun Yat-Sen University | Phase 4 |
| Completed | The Impact of Early Surgery and Maintenance of Antiplatelet Therapy on Intraoperative Bleeding and Major Adver NCT02941588 | Seoul National University Hospital | — |
| Completed | GM03 - Platelet RNA Signatures of Aspirin NCT05278637 | Duke University | EARLY_Phase 1 |
| Completed | Aspirin AM or PM: Effect on Circadian Rhythm of Platelet Reactivity NCT01900639 | Leiden University Medical Center | Phase 4 |
| Completed | Patients Undergoing Percutaneous Coronary Intervention (PCI) Through Optimal Platelet Inhibition NCT01582217 | Icahn School of Medicine at Mount Sinai | — |
| Withdrawn | The Effect Of Aspirin On Survival in Lung Cancer NCT01058902 | Liverpool Heart and Chest Hospital NHS Foundation Trust | Phase 3 |
| Unknown | The Effects of Preoperative Aspirin on Graft Patency and Cardiac Events in Off-pump Coronary Artery Bypass NCT01268917 | Chinese Academy of Medical Sciences, Fuwai Hospital | Phase 3 |
| Unknown | Esomeprazole or Famotidine in the Management of Aspirin Related Non-Ulcer Dyspepsia NCT00978159 | Ruttonjee Hospital | Phase 4 |
| Completed | VerifyNow French Registry NCT00753753 | Association Pour le Développement des Soins Cardiologiques de la ville de Chartres | — |
| Completed | Pharmacy Based Pharmacoepidemiological Observational Study With Aspirin Protect 100 mg NCT01669824 | Bayer | — |
| Withdrawn | Pilot Study of Continuing Aspirin Versus Switching to Clopidogrel After Stroke or Transient Ischemic Attack NCT00363753 | University of California, San Diego | Phase 1 |