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Showing 1–24 of 513 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Aspirin (drug) Clear all
Enrolling by invitation Phase 3 Interventional

Reduce Opiate Exposure With ACL Surgery

NCT06561035
View directory record Official record
Conditions
Anterior Cruciate Ligament Injuries
Interventions
Opiate Sparing, Opiate Based
Drug
Lead sponsor
Campbell Clinic
Other
Eligibility
14 Years to 85 Years
Enrollment
56 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2028
U.S. locations
3
States / cities
Skokie, Illinois • Cincinnati, Ohio • Memphis, Tennessee
Source: ClinicalTrials.gov public record
Updated Sep 14, 2026 · Synced Sep 28, 2026, 4:27 AM EDT
Active, not recruiting Early Phase 1 Interventional Accepts healthy volunteers

Sleep and Inflammatory Resolution Pathway

NCT03377543
View directory record Official record
Conditions
Inflammatory Response, Inflammation, Sleep, Sleep Restriction
Interventions
Aspirin, Placebo
Drug
Lead sponsor
Beth Israel Deaconess Medical Center
Other
Eligibility
18 Years to 65 Years
Enrollment
66 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2025
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Mar 23, 2025 · Synced Sep 28, 2026, 4:27 AM 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 28, 2026, 4:27 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Platelet Function and Safety After IV and Oral Diclofenac, IV Ketorolac and Oral Aspirin in Adult Volunteers

NCT00548678
View directory record Official record
Conditions
Healthy
Interventions
intravenous diclofenac sodium (DIC075V), ketorolac, oral diclofenac (Cataflam), aspirin
Drug
Lead sponsor
Javelin Pharmaceuticals
Industry
Eligibility
18 Years to 55 Years · Male only
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007
U.S. locations
1
States / cities
Miramar, Florida
Source: ClinicalTrials.gov public record
Updated Jul 15, 2008 · Synced Sep 28, 2026, 4:27 AM EDT
Terminated Phase 3 Interventional Accepts healthy volunteers

Efficacy of a Single Dose of Aspirin vs. Acetaminophen in Tension Type Headache

NCT01552798
View directory record Official record
Conditions
Headache
Interventions
Acetylsalicylic acid (Aspirin, BAY1019036), Acetaminophen, Placebo
Drug
Lead sponsor
Bayer
Industry
Eligibility
18 Years to 65 Years
Enrollment
9 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012
U.S. locations
1
States / cities
Kalamazoo, Michigan
Source: ClinicalTrials.gov public record
Updated Dec 18, 2018 · Synced Sep 28, 2026, 4:27 AM EDT
Terminated Phase 3 Interventional

Clopidogrel and the Optimization of Gastrointestinal Events (COGENT-1)

NCT00557921
View directory record Official record
Conditions
Acute Coronary Syndrome, Myocardial Infarction, Coronary Artery Disease, Percutaneous Coronary Intervention
Interventions
CGT-2168 (clopidogrel 75 mg/omeprazole 20 mg) and aspirin, Plavix (clopidogrel 75 mg) and aspirin
Drug
Lead sponsor
Cogentus Pharmaceuticals
Industry
Eligibility
21 Years and older
Enrollment
5,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2009
U.S. locations
247
States / cities
Alexander City, Alabama • Birmingham, Alabama • Geneva, Alabama + 205 more
Source: ClinicalTrials.gov public record
Updated Jan 27, 2009 · Synced Sep 28, 2026, 4:27 AM EDT
Completed No phase listed Observational

Antenatal Platelet Response On Aspirin and Correlation With HDP (Hypertensive Disorders of Pregnancy)

NCT04295850
View directory record Official record
Conditions
Preeclampsia
Interventions
Aspirin 81 mg
Drug
Lead sponsor
Thomas Jefferson University
Other
Eligibility
10 Years to 60 Years · Female only
Enrollment
130 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Dec 1, 2025 · Synced Sep 28, 2026, 4:27 AM EDT
Completed Not applicable Interventional

Study of Optimal Clopidogrel Duration in Patients Receiving Drug Eluting Stents (SCORE Trial)

NCT00781573
View directory record Official record
Conditions
Myocardial Infarction
Interventions
Clopidogrel
Drug
Lead sponsor
North Texas Veterans Healthcare System
Federal
Eligibility
21 Years and older
Enrollment
167 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2014
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Sep 12, 2018 · Synced Sep 28, 2026, 4:27 AM EDT
Completed Phase 3 Interventional Results available

Atrial Fibrillation Clopidogrel Trial With Irbesartan for Prevention of Vascular Events (ACTIVE I)

NCT00249795
View directory record Official record
Conditions
Atrial Fibrillation, Cardiovascular Disease
Interventions
Irbesartan, placebo
Drug
Lead sponsor
Sanofi
Industry
Eligibility
18 Years and older
Enrollment
9,016 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2009
U.S. locations
1
States / cities
Bridgewater, New Jersey
Source: ClinicalTrials.gov public record
Updated Oct 14, 2010 · Synced Sep 28, 2026, 4:27 AM EDT
Suspended Early Phase 1 Interventional

Using Aspirin to Improve Immunological Features of Ovarian Tumors

NCT05080946
View directory record Official record
Conditions
Ovarian Cancer, Fallopian Tube Cancer, Peritoneal Cancer
Interventions
Aspirin 325mg, Placebo
Drug
Lead sponsor
H. Lee Moffitt Cancer Center and Research Institute
Other
Eligibility
18 Years and older · Female only
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2026
U.S. locations
4
States / cities
Tampa, Florida • Portland, Oregon • Charlottesville, Virginia + 1 more
Source: ClinicalTrials.gov public record
Updated Sep 14, 2026 · Synced Sep 28, 2026, 4:27 AM EDT
Completed Phase 2 Interventional Results available

A Study of the Antiplatelet Effects Comparing Ticagrelor (Ticag. - AZD6140) With Clopidogrel (Clop.) Responder and Non-responders

NCT00642811
View directory record Official record
Conditions
Stable Coronary Artery Disease
Interventions
Ticagrelor, Clopidogrel, Aspirin
Drug
Lead sponsor
AstraZeneca
Industry
Eligibility
18 Years and older
Enrollment
98 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2009
U.S. locations
4
States / cities
Jonesboro, Arkansas • Ormond Beach, Florida • Baltimore, Maryland + 1 more
Source: ClinicalTrials.gov public record
Updated Oct 3, 2011 · Synced Sep 28, 2026, 4:27 AM EDT
Terminated Not applicable Interventional Results available

Dipyridamole Assessment for Flare Reduction in Systemic Lupus Erythematosus (SLE)

NCT01781611
View directory record Official record
Conditions
Systemic Lupus Erythematosus
Interventions
extended release dipyridamole 200mg/aspirin 25mg, 81mg aspirin
Drug
Lead sponsor
Oklahoma Medical Research Foundation
Other
Eligibility
18 Years to 70 Years
Enrollment
18 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2017
U.S. locations
1
States / cities
Oklahoma City, Oklahoma
Source: ClinicalTrials.gov public record
Updated Nov 24, 2020 · Synced Sep 28, 2026, 4:27 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Aspirin Dose and Atherosclerosis in Patients With Heart Disease

NCT00272337
View directory record Official record
Conditions
Cardiovascular Diseases, Atherosclerosis, Myocardial Infarction
Interventions
Aspirin
Drug
Lead sponsor
Florida Atlantic University
Other
Eligibility
40 Years to 80 Years
Enrollment
37 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2009
U.S. locations
2
States / cities
Atlantis, Florida • Tamarac, Florida
Source: ClinicalTrials.gov public record
Updated Dec 27, 2018 · Synced Sep 28, 2026, 4:27 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

PACT (Platelet Activity After Clopidogrel Termination)

NCT00619073
View directory record Official record
Conditions
Blood Platelets, Clopidogrel
Interventions
clopidogrel + aspirin, placebo, Aspirin
Drug
Lead sponsor
University of Massachusetts, Worcester
Other
Eligibility
21 Years to 70 Years
Enrollment
15 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2009
U.S. locations
1
States / cities
Worcester, Massachusetts
Source: ClinicalTrials.gov public record
Updated May 30, 2018 · Synced Sep 28, 2026, 4:27 AM EDT
Enrolling by invitation Phase 4 Interventional

Quality Improvement and Practice Based Research in Neurology Using the EMR

NCT02670161
View directory record Official record
Conditions
Brain Tumors, Epilepsy, Migraine, Mild Cognitive Impairment, Concussion, Multiple Sclerosis, Neuropathy, Parkinson's, Restless Legs Syndrome, Stroke
Interventions
Listed for each disorder below, up to three drugs per disorder (too many characters to list in this field; see Intervention Description)
Drug
Lead sponsor
Endeavor Health
Other
Eligibility
18 Years to 100 Years
Enrollment
3,300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2027
U.S. locations
1
States / cities
Evanston, Illinois
Source: ClinicalTrials.gov public record
Updated Aug 23, 2025 · Synced Sep 28, 2026, 4:27 AM EDT
Completed Phase 4 Interventional Results available

The Dual Antiplatelet Therapy Study (DAPT Study)

NCT00977938
View directory record Official record
Conditions
Coronary Artery Disease
Interventions
Placebo & Aspirin, Clopidogrel & Aspirin, Prasugrel & Aspirin
Drug
Lead sponsor
Baim Institute for Clinical Research
Other
Eligibility
18 Years and older
Enrollment
25,682 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2014
U.S. locations
178
States / cities
Fairhope, Alabama • Gilbert, Arizona • Phoenix, Arizona + 143 more
Source: ClinicalTrials.gov public record
Updated Jun 8, 2017 · Synced Sep 28, 2026, 4:27 AM EDT
Completed Phase 3 Interventional

Warfarin Versus Aspirin Recurrent Stroke Study

NCT00027066
View directory record Official record
Conditions
Stroke
Interventions
Active Aspirin, Active Warfarin, Aspirin placebo, Warfarin placebo
Drug
Lead sponsor
Columbia University
Other
Eligibility
30 Years to 85 Years
Enrollment
2,206 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1993 – 2001
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jun 16, 2011 · Synced Sep 28, 2026, 4:27 AM EDT
Completed Phase 4 Interventional Results available

Ticagrelor Versus Clopidogrel in Type 2 Diabetic Patients

NCT01823510
View directory record Official record
Conditions
Type-2 Diabetes Mellitus, Coronary Artery Disease
Interventions
Ticagrelor + Aspirin, Clopidogrel + Aspirin
Drug
Lead sponsor
Juan J Badimon
Other
Eligibility
18 Years to 75 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2016
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Dec 7, 2017 · Synced Sep 28, 2026, 4:27 AM EDT
Recruiting Phase 2 Interventional

Optimizing Ancillary Therapies With Immune Checkpoint Inhibitors for Solid Tumors (OAT ICI)

NCT07661459
View directory record Official record
Conditions
Solid Tumors
Interventions
Asprin, Loratadine, Acetaminophen Avoidance, THC Avoidance
Drug · Behavioral
Lead sponsor
Val Adams
Other
Eligibility
18 Years to 99 Years
Enrollment
98 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Lexington, Kentucky
Source: ClinicalTrials.gov public record
Updated Aug 13, 2026 · Synced Sep 28, 2026, 4:27 AM EDT
Recruiting Phase 1 Interventional Accepts healthy volunteers

A Study to Learn About How Safe BAY3389934 is and How it Affects Blood Clotting When Given Alone or With Aspirin in Healthy Participants

NCT07652723
View directory record Official record
Conditions
Drug-drug Interaction
Interventions
Aspirin, BAY3389934
Drug
Lead sponsor
Bayer
Industry
Eligibility
18 Years to 55 Years
Enrollment
16 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Sep 22, 2026 · Synced Sep 28, 2026, 4:27 AM EDT
Not listed Phase 4 Interventional Accepts healthy volunteers

Chlorthalidone and HCTZ Impacts on Platelet Activation

NCT02100462
View directory record Official record
Conditions
Hypertension
Interventions
Chlorthalidone 12.5 mg, Hydrochlorothiazide 25 mg, Aspirin 81 mg
Drug
Lead sponsor
Creighton University
Other
Eligibility
19 Years and older
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2016
U.S. locations
1
States / cities
Omaha, Nebraska
Source: ClinicalTrials.gov public record
Updated Dec 13, 2015 · Synced Sep 28, 2026, 4:27 AM EDT
Recruiting Phase 2 Interventional Accepts healthy volunteers

Low Dose Aspirin for the Prevention of Postpartum Related Breast Cancer

NCT05557877
View directory record Official record
Conditions
Breast Carcinoma
Interventions
Biospecimen Collection, Low-Dose Aspirin, Questionnaire Administration, Biopsy
Procedure · Drug · Other
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2027
U.S. locations
5
States / cities
Scottsdale, Arizona • Jacksonville, Florida • Indianapolis, Indiana + 2 more
Source: ClinicalTrials.gov public record
Updated Aug 19, 2026 · Synced Sep 28, 2026, 4:27 AM EDT
Completed Not applicable Interventional

App Reminder on ASA Adherence

NCT03244267
View directory record Official record
Conditions
Thromboembolic Event
Interventions
Standard Education, Medication Reminder App
Behavioral
Lead sponsor
Emory University
Other
Eligibility
18 Years to 64 Years
Enrollment
195 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Oct 22, 2019 · Synced Sep 28, 2026, 4:27 AM EDT
Terminated Phase 3 Interventional Results available

Aspirin for Treatment of Multiple Sclerosis-Related Fatigue

NCT00467584
View directory record Official record
Conditions
Multiple Sclerosis, Fatigue
Interventions
High Dose Aspirin (1300 mg/day), Low Dose Aspirin (162 mg/day), Placebo
Drug
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years to 65 Years
Enrollment
62 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2013
U.S. locations
1
States / cities
Scottsdale, Arizona
Source: ClinicalTrials.gov public record
Updated May 19, 2014 · Synced Sep 28, 2026, 4:27 AM EDT