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Showing 1–24 of 587 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Filters: Intervention: Aspirin (ASA) Clear all
Completed Phase 3 Interventional Results available

Stenting vs. Aggressive Medical Management for Preventing Recurrent Stroke in Intracranial Stenosis

NCT00576693
View directory record Official record
Conditions
Ischemic Stroke
Interventions
intracranial angioplasty and stenting, intensive medical management
Device · Other
Lead sponsor
Medical University of South Carolina
Other
Eligibility
30 Years to 80 Years
Enrollment
451 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2013
U.S. locations
50
States / cities
Birmingham, Alabama • Phoenix, Arizona • Glendale, California + 38 more
Source: ClinicalTrials.gov public record
Updated May 29, 2018 · Synced Sep 21, 2026, 6:25 PM EDT
Terminated Phase 4 Interventional Results available

Study of Ticagrelor Versus Aspirin Treatment in Patients With Myocardial Injury Post Major Non-cardiac Surgery

NCT02291419
View directory record Official record
Conditions
Myocardial Injury
Interventions
ticagrelor, aspirin
Drug
Lead sponsor
The Cleveland Clinic
Other
Eligibility
40 Years and older
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2016
U.S. locations
24
States / cities
Mobile, Alabama • Little Rock, Arkansas • Jacksonville, Florida + 19 more
Source: ClinicalTrials.gov public record
Updated Feb 8, 2017 · Synced Sep 21, 2026, 6:25 PM EDT
Completed Phase 1 Interventional

Electrophilic Fatty Acid Derivatives in Asthma

NCT01733485
View directory record Official record
Conditions
Asthma, Electrophilic Fatty Acids
Interventions
Aspirin, Indomethacin
Drug
Lead sponsor
Sally E. Wenzel MD
Other
Eligibility
18 Years to 60 Years
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2017
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jul 10, 2017 · Synced Sep 21, 2026, 6:25 PM EDT
Active, not recruiting No phase listed Observational Accepts healthy volunteers

Aspirin in Reducing Events in the Elderly-Extension (ASPREE-XT)

NCT07224347
View directory record Official record
Conditions
Functional Disability, Dementia, Heart Disease, Stroke, Cancer, Bleeding, Depression, Frailty
Interventions
Not listed
Lead sponsor
Anne Murray
Other
Eligibility
65 Years and older
Enrollment
19,114 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2026
U.S. locations
22
States / cities
Birmingham, Alabama • Washington D.C., District of Columbia • Atlanta, Georgia + 18 more
Source: ClinicalTrials.gov public record
Updated Nov 3, 2025 · Synced Sep 21, 2026, 6:25 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Validation of an Assay to Measure Cyclooxygenase-1 Activity

NCT00761891
View directory record Official record
Conditions
Healthy
Interventions
Chewable aspirin
Other
Lead sponsor
Vanderbilt University
Other
Eligibility
18 Years and older
Enrollment
64 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2010
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Apr 17, 2019 · Synced Sep 21, 2026, 6:25 PM EDT
Suspended No phase listed Observational Accepts healthy volunteers

Genetics and Genomics of Aspirin Exacerbated Respiratory Disease (AERD)

NCT04261582
View directory record Official record
Conditions
Aspirin Exacerbated Respiratory Disease, Aspirin-Sensitive Asthma, Nasal Polyps
Interventions
Not listed
Lead sponsor
National Jewish Health
Other
Eligibility
18 Years to 75 Years
Enrollment
245 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2022
U.S. locations
1
States / cities
Denver, Colorado
Source: ClinicalTrials.gov public record
Updated Aug 31, 2021 · Synced Sep 21, 2026, 6:25 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

An Investigational Study to Assess the Effect of BMS-986177 on Aspirin in Healthy Participants

NCT03341390
View directory record Official record
Conditions
Healthy Volunteers
Interventions
Aspirin, BMS-986177, Placebo
Drug
Lead sponsor
Bristol-Myers Squibb
Industry
Eligibility
18 Years to 55 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017
U.S. locations
1
States / cities
Austin, Texas
Source: ClinicalTrials.gov public record
Updated Jan 18, 2018 · Synced Sep 21, 2026, 6:25 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Effects of Pioglitazone on Platelet Function

NCT00861341
View directory record Official record
Conditions
Diabetes, Platelet Function, Healthy
Interventions
Aspirin, Pioglitazone
Drug
Lead sponsor
University of Rochester
Other
Eligibility
21 Years and older
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2011
U.S. locations
1
States / cities
Rochester, New York
Source: ClinicalTrials.gov public record
Updated Feb 2, 2016 · Synced Sep 21, 2026, 6:25 PM EDT
Completed Phase 2 Interventional Results available

Combination Anti-Platelet and Anti-Coagulation Treatment After Lysis of Ischemic Stroke Trial (CATALIST)

NCT00061373
View directory record Official record
Conditions
Ischemic Stroke
Interventions
Aspirin, tinzaparin sodium, eptifibatide
Drug
Lead sponsor
National Institute of Neurological Disorders and Stroke (NINDS)
NIH
Eligibility
18 Years to 85 Years
Enrollment
18 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2011
U.S. locations
3
States / cities
Washington D.C., District of Columbia • Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Feb 3, 2013 · Synced Sep 21, 2026, 6:25 PM EDT
Completed Not applicable Interventional Results available

Patent Foramen Ovale Closure or Medical Therapy After Stroke - RESPECT Trial

NCT00465270
View directory record Official record
Conditions
Cryptogenic Stroke
Interventions
AMPLATZER PFO Occluder, Standard of Care - Medical Management
Device · Other
Lead sponsor
Abbott Medical Devices
Industry
Eligibility
18 Years to 60 Years
Enrollment
980 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2016
U.S. locations
61
States / cities
Birmingham, Alabama • Scottsdale, Arizona • Los Angeles, California + 52 more
Source: ClinicalTrials.gov public record
Updated Feb 17, 2019 · Synced Sep 21, 2026, 6:25 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Pharmacokinetic Study Comparing Aspirin and Effervescent Aspirin

NCT01081353
View directory record Official record
Conditions
Pharmacokinetics
Interventions
Acetylsalicylic Acid (Aspirin BAY1019036), Alka Seltzer Extra Strength, Aspirin Migraine, Aspirin Aspro
Drug
Lead sponsor
Bayer
Industry
Eligibility
18 Years to 55 Years
Enrollment
26 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010
U.S. locations
1
States / cities
Hackensack, New Jersey
Source: ClinicalTrials.gov public record
Updated Jun 25, 2014 · Synced Sep 21, 2026, 6:25 PM EDT
Completed Phase 4 Interventional Results available

PROMUS Element Plus US Post-Approval Study

NCT01589978
View directory record Official record
Conditions
Coronary Artery Disease
Interventions
PROMUS Element Plus Coronary Stent System, Aspirin, P2Y12 antagonist
Device · Drug
Lead sponsor
Boston Scientific Corporation
Industry
Eligibility
Not listed
Enrollment
2,681 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2018
U.S. locations
52
States / cities
Huntsville, Alabama • Mobile, Alabama • Jonesboro, Arkansas + 44 more
Source: ClinicalTrials.gov public record
Updated Jul 25, 2018 · Synced Sep 21, 2026, 6:25 PM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers

The Accuracy Of A Novel Platelet Activity Assay In Humans On Antiplatelet Agents: Pharmacodynamics And Comparison With Light Transmission Aggregometry

NCT04822363
View directory record Official record
Conditions
Platelet Activation Testing Before/After Anti-platelet Therapy, Healthy
Interventions
Aspirin, Clopidogrel
Drug
Lead sponsor
Beth Israel Deaconess Medical Center
Other
Eligibility
18 Years and older
Enrollment
112 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2025
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jan 21, 2026 · Synced Sep 21, 2026, 6:25 PM EDT
Completed Phase 2 Interventional Results available

Antiplatelet Therapy in HIV

NCT02559414
View directory record Official record
Conditions
HIV, Cardiovascular Diseases, Inflammation
Interventions
Aspirin, Clopidogrel
Drug
Lead sponsor
NYU Langone Health
Other
Eligibility
21 Years to 80 Years
Enrollment
55 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2017
U.S. locations
2
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Oct 14, 2018 · Synced Sep 21, 2026, 6:25 PM EDT
Terminated Phase 3 Interventional Results available

A Phase 3, Multicenter, Randomized, Double-blind,Active-controlled, Parallel-group Trial With an Open-labelExtension Phase to Evaluate the Efficacy and Safety of OralE5501 Versus Eltrombopag, in Adults With Chronic ImmuneThrombocytopenia (Idiopathic Thrombocytopenic Purpura)

NCT01433978
View directory record Official record
Conditions
Idiopathic Thrombocytopenic Purpura
Interventions
Eltrombopag, Avatrombopag, Standard of care
Drug
Lead sponsor
Eisai Inc.
Industry
Eligibility
18 Years to 99 Years
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2013
U.S. locations
1
States / cities
Watertown, South Dakota
Source: ClinicalTrials.gov public record
Updated Feb 5, 2018 · Synced Sep 21, 2026, 6:25 PM EDT
Not yet recruiting Phase 2Phase 3 Interventional

Efficacy and Safety of Aspirin and Lansoprazole for Prevention of Preterm Birth in High-Risk Pregnant Women: A Biomarker-Enriched Trial

NCT07337655
View directory record Official record
Conditions
Pre-term Birth
Interventions
Low-Dose Aspirin Dose: 81 mg & Lansoprazole Dose: 30 mg, Standard of Care
Drug · Other
Lead sponsor
Stanford University
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
670 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2032
U.S. locations
1
States / cities
Palo Alto, California
Source: ClinicalTrials.gov public record
Updated Jan 12, 2026 · Synced Sep 21, 2026, 6:25 PM EDT
Active, not recruiting Not applicable Interventional

Chronic Venous Thrombosis: Relief With Adjunctive Catheter-Directed Therapy (The C-TRACT Trial)

NCT03250247
View directory record Official record
Conditions
Deep Vein Thrombosis, Venous Stasis, Venous Insufficiency, Venous Leg Ulcer, Venous Reflux, Post Thrombotic Syndrome
Interventions
Stents
Device
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years and older
Enrollment
225 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2026
U.S. locations
29
States / cities
Orange, California • San Francisco, California • New Haven, Connecticut + 23 more
Source: ClinicalTrials.gov public record
Updated Jan 27, 2026 · Synced Sep 21, 2026, 6:25 PM EDT
Completed Phase 3 Interventional Results available

Comparison of a Rivaroxaban-based Strategy With an Antiplatelet-based Strategy Following Successful TAVR for the Prevention of Leaflet Thickening and Reduced Leaflet Motion as Evaluated by Four-dimensional, Volume-rendered Computed Tomography (4DCT)

NCT02833948
View directory record Official record
Conditions
Aortic Valve Stenosis, Cardiovascular Diseases, Heart Valve Diseases, Ventricular Outflow Obstruction, Thrombosis
Interventions
Acetylsalicylic acid, Clopidogrel, Rivaroxaban
Drug
Lead sponsor
ECRI bv
Industry
Eligibility
18 Years and older
Enrollment
231 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2019
U.S. locations
4
States / cities
Los Angeles, California • New York, New York • Philadelphia, Pennsylvania + 1 more
Source: ClinicalTrials.gov public record
Updated Jan 17, 2020 · Synced Sep 21, 2026, 6:25 PM EDT
Not listed Phase 4 Interventional Accepts healthy volunteers

Lovenox With Aspirin in Thawed Blastocyst Transfer

NCT06133803
View directory record Official record
Conditions
Infertility, Female
Interventions
Lovenox, Aspirin, Embryo transfer
Drug · Procedure
Lead sponsor
Fertility Center of Las Vegas
Industry
Eligibility
18 Years to 42 Years · Female only
Enrollment
130 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024
U.S. locations
1
States / cities
Las Vegas, Nevada
Source: ClinicalTrials.gov public record
Updated Feb 20, 2024 · Synced Sep 21, 2026, 6:25 PM EDT
Completed Phase 4 Interventional Results available

DOACs for Stroke Prevention Post Ventricular Tachycardia Ablation

NCT02666742
View directory record Official record
Conditions
Ventricular Tachycardia, Premature Ventricular Contraction, Stroke
Interventions
DOAC, Aspirin
Drug
Lead sponsor
Kansas City Heart Rhythm Institute
Other
Eligibility
18 Years to 80 Years
Enrollment
246 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2021
U.S. locations
4
States / cities
Kansas City, Kansas • Overland Park, Kansas • The Bronx, New York + 1 more
Source: ClinicalTrials.gov public record
Updated Aug 21, 2022 · Synced Sep 21, 2026, 6:25 PM EDT
Completed Phase 4 Interventional Results available

A Comparison of Proprietary Formulations of Oral Ketamine + Aspirin and Oral Ketamine Alone for Musculoskeletal Pain

NCT04860804
View directory record Official record
Conditions
Pain
Interventions
Aspirin and Ketamine, Oral Ketamine
Drug
Lead sponsor
Antonios Likourezos
Other
Eligibility
18 Years to 120 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021
U.S. locations
1
States / cities
Brooklyn, New York
Source: ClinicalTrials.gov public record
Updated Jul 16, 2024 · Synced Sep 21, 2026, 6:25 PM EDT
Withdrawn Not applicable Interventional

Anticoagulation in Blunt Cerebrovascular Injuries

NCT00494156
View directory record Official record
Conditions
Carotid Artery Injury, Vertebral Artery Injury
Interventions
heparin, aspirin and clopidogrel
Drug
Lead sponsor
C. Clay Cothren, MD
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2008
U.S. locations
1
States / cities
Denver, Colorado
Source: ClinicalTrials.gov public record
Updated Oct 20, 2015 · Synced Sep 21, 2026, 6:25 PM EDT
Completed Phase 3 Interventional Results available

Low Doses of Aspirin in the Prevention of Preeclampsia

NCT04070573
View directory record Official record
Conditions
Preeclampsia
Interventions
acetylsalicylic acid
Drug
Lead sponsor
Weill Medical College of Cornell University
Other
Eligibility
18 Years to 60 Years · Female only
Enrollment
400 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2025
U.S. locations
2
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Mar 12, 2025 · Synced Sep 21, 2026, 6:25 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers

Body Weight, Aspirin Dose and Pro-resolving Mediators

NCT04697719
View directory record Official record
Conditions
Body Weight
Interventions
Aspirin 81mg, Aspirin 325mg
Drug
Lead sponsor
NYU Langone Health
Other
Eligibility
40 Years to 70 Years
Enrollment
103 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2025
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Mar 8, 2026 · Synced Sep 21, 2026, 6:25 PM EDT