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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Aspirin Clear all
Recruiting Early Phase 1 Interventional Accepts healthy volunteers

Predictors of Aspirin Failure in Preeclampsia Prevention

NCT05709483
View directory record Official record
Conditions
Preeclampsia
Interventions
Aspirin
Drug
Lead sponsor
Rockefeller University
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
130 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2026
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Oct 29, 2025 · Synced Sep 24, 2026, 7:03 PM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers

Low Dose Aspirin Inhibition of COX-2 Derived PGE2 in Male Smokers

NCT01796951
View directory record Official record
Conditions
Tobacco Use Disorder, Smoking
Interventions
Aspirin 325 mg daily, Celecoxib 200 mg BID
Drug
Lead sponsor
Vanderbilt University
Other
Eligibility
35 Years to 90 Years · Male only
Enrollment
6 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2016
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Apr 3, 2017 · Synced Sep 24, 2026, 7:03 PM EDT
Enrolling by invitation Not applicable Interventional

Thriving Hearts: Healing-Centered, Integrated, Community Maternity Care

NCT06744231
View directory record Official record
Conditions
Hypertensive Disorder of Pregnancy
Interventions
Usual Care, Thriving Hearts
Other · Behavioral
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
15 Years and older
Enrollment
17,500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2029
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Jun 7, 2026 · Synced Sep 24, 2026, 7:03 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 24, 2026, 7:03 PM EDT
Terminated Phase 4 Interventional Results available

Prochlorperazine Versus Acetaminophen, Aspirin, and Caffeine for the Treatment of Acute Migraine

NCT01629329
View directory record Official record
Conditions
Migraine Headaches
Interventions
Aspirin, Acetaminophen, Caffeine pills, Prochlorperazine 10mg
Drug
Lead sponsor
Albert Einstein Healthcare Network
Other
Eligibility
18 Years to 65 Years
Enrollment
93 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2014
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Mar 17, 2020 · Synced Sep 24, 2026, 7:03 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Effect of Daily Low Dose Aspirin on Exhaled Inflammatory Mediators in Normal Subjects

NCT00898222
View directory record Official record
Conditions
Healthy
Interventions
aspirin
Drug
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
18 Years to 95 Years
Enrollment
4 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Sep 24, 2015 · Synced Sep 24, 2026, 7:03 PM EDT
Not yet recruiting No phase listed Observational

Perioperative Risk in Patients on Chronic Aspirin Undergoing Craniotomy

NCT07086183
View directory record Official record
Conditions
Aneurysm Cerebral
Interventions
Observation
Other
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Jacksonville, Florida
Source: ClinicalTrials.gov public record
Updated Jan 6, 2026 · Synced Sep 24, 2026, 7:03 PM EDT
Completed Phase 2 Interventional Results available

PETRO Stroke Prevention in Patients With AF by Treatment With Dabigatran, With and Without Aspirin, Compared to Warfarin

NCT01227629
View directory record Official record
Conditions
Atrial Fibrillation
Interventions
dabigatran with ASA, warfarin, dabigatran without ASA
Drug
Lead sponsor
Boehringer Ingelheim
Industry
Eligibility
18 Years and older
Enrollment
502 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2003
U.S. locations
14
States / cities
Fayetteville, Arkansas • La Mesa, California • Pensacola, Florida + 11 more
Source: ClinicalTrials.gov public record
Updated May 4, 2014 · Synced Sep 24, 2026, 7:03 PM EDT
Active, not recruiting Early Phase 1 Interventional Results available

ASPIRED-XT: ASPirin Intervention for the REDuction of Colorectal Cancer Risk -EXTension

NCT05056896
View directory record Official record
Conditions
Colorectal Cancer
Interventions
Aspirin, Placebo
Drug · Other
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years and older
Enrollment
161 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2026
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jun 21, 2026 · Synced Sep 24, 2026, 7:03 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

The Role of Cyclooxygenase Activity in the Endothelial Function of Hypertensive and Hypercholesterolemic Patients

NCT00001742
View directory record Official record
Conditions
Healthy, Hypercholesterolemia, Hypertension
Interventions
Not listed
Lead sponsor
National Heart, Lung, and Blood Institute (NHLBI)
NIH
Eligibility
Not listed
Enrollment
75 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
1998 – 2001
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 3, 2008 · Synced Sep 24, 2026, 7:03 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Aspirin and Thienopyridine Resistance in Peripheral Arterial Disease

NCT03174990
View directory record Official record
Conditions
Peripheral Arterial Disease, Clopidogrel, Poor Metabolism of
Interventions
Not listed
Lead sponsor
University of California, Davis
Other
Eligibility
18 Years and older
Enrollment
195 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2013
U.S. locations
1
States / cities
Sacramento, California
Source: ClinicalTrials.gov public record
Updated Jun 4, 2017 · Synced Sep 24, 2026, 7:03 PM EDT
Not listed Not applicable Interventional

Prospective Study Investigating Aspirin and Intraoperative Blood Loss and Complications Following Inguinal Hernia Repair

NCT02084615
View directory record Official record
Conditions
Hernia, Inguinal, Postoperative Complications, Postoperative Hemorrhage
Interventions
Aspirin
Drug
Lead sponsor
Jesse Brown VA Medical Center
Federal
Eligibility
18 Years and older · Male only
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2017
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jun 17, 2015 · Synced Sep 24, 2026, 7:03 PM EDT
Completed Phase 1 Interventional Results available

Comparison of Prasugrel and Clopidogrel in Low Body Weight Versus Higher Body Weight With Coronary Artery Disease

NCT01107925
View directory record Official record
Conditions
Coronary Artery Disease
Interventions
prasugrel, clopidogrel
Drug
Lead sponsor
Eli Lilly and Company
Industry
Eligibility
18 Years to 74 Years
Enrollment
72 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2011
U.S. locations
2
States / cities
Jacksonville, Florida • Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Aug 29, 2012 · Synced Sep 24, 2026, 7:03 PM EDT
Withdrawn Not applicable Interventional Accepts healthy volunteers

Aspirin Resistance in Women With Migraine

NCT01257893
View directory record Official record
Conditions
Episodic Migraine, Chronic Migraine
Interventions
Aspirin (acetylsalicylic acid), Placebo
Drug
Lead sponsor
Swedish Medical Center
Other
Eligibility
18 Years to 50 Years · Female only
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2012
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated May 30, 2013 · Synced Sep 24, 2026, 7:03 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers

Retinal Blood Flow and Microthrombi in Type 1 Diabetes

NCT00406991
View directory record Official record
Conditions
Diabetes, Diabetic Retinopathy
Interventions
aspirin, clopidogrel
Drug
Lead sponsor
Schepens Eye Research Institute
Other
Eligibility
18 Years to 45 Years
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2003 – 2006
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Oct 29, 2015 · Synced Sep 24, 2026, 7:03 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Comparative Pharmacokinetic, Pharmacodynamic, and Safety Study of 1 Dose Level of Aspirin for Injection and Oral Aspirin Tablets in Healthy Adult Human Subjects

NCT05166096
View directory record Official record
Conditions
Healthy
Interventions
Rho-11, aspirin 325mg
Drug
Lead sponsor
Rhoshan Pharmaceuticals Inc
Industry
Eligibility
18 Years to 55 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Austin, Texas
Source: ClinicalTrials.gov public record
Updated Aug 11, 2026 · Synced Sep 24, 2026, 7:03 PM EDT
Completed Phase 2 Interventional Results available

Aspirin in Preventing Colorectal Cancer in Patients at Increased Risk of Colorectal Cancer

NCT00468910
View directory record Official record
Conditions
Colon Cancer, Precancerous Condition, Rectal Cancer
Interventions
acetylsalicylic acid, placebo, laboratory biomarker analysis
Drug · Other
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
Up to 75 Years
Enrollment
79 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2011
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated May 30, 2017 · Synced Sep 24, 2026, 7:03 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Enhanced Firefighter Rehab Trial: The Role of Aspirin in Preventing Heat Stress Induced Platelet Activation

NCT01066923
View directory record Official record
Conditions
Heat Stress Disorders
Interventions
Daily aspirin (ASA), Active cooling, Acute aspirin (ASA), Passive cooling, Daily placebo, Acute placebo
Drug · Other
Lead sponsor
Dave Hostler
Other
Eligibility
18 Years to 49 Years
Enrollment
124 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2011
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Nov 12, 2017 · Synced Sep 24, 2026, 7:03 PM EDT
Not listed No phase listed Observational Accepts healthy volunteers

Aspirin in Reducing Events in the Elderly

NCT01038583
View directory record Official record
Conditions
Functional Disability, Dementia, Heart Disease, Stroke, Cancer, Bleeding, Depression
Interventions
100 mg enteric-coated aspirin, Placebo
Drug
Lead sponsor
Hennepin Healthcare Research Institute
Other
Eligibility
65 Years and older
Enrollment
19,114 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2024
U.S. locations
33
States / cities
Birmingham, Alabama • Palo Alto, California • Washington D.C., District of Columbia + 26 more
Source: ClinicalTrials.gov public record
Updated Apr 4, 2021 · Synced Sep 24, 2026, 7:03 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Randomized, Crossover Bioequivalence Study of PL-ASA Versus Immediate Release Aspirin in Healthy Volunteers.

NCT05055752
View directory record Official record
Conditions
Bioequivalence
Interventions
Pharmaceutical-lipid aspirin (PL-ASA)
Drug
Lead sponsor
PLx Pharma
Industry
Eligibility
18 Years and older
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020
U.S. locations
1
States / cities
Lenexa, Kansas
Source: ClinicalTrials.gov public record
Updated Apr 26, 2022 · Synced Sep 24, 2026, 7:03 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 24, 2026, 7:03 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 24, 2026, 7:03 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effects of ASA on Prostate Tissue

NCT00234299
View directory record Official record
Conditions
Prostate Cancer
Interventions
Aspirin, Placebo
Drug
Lead sponsor
University of Washington
Other
Eligibility
45 Years to 74 Years · Male only
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2015
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated May 24, 2016 · Synced Sep 24, 2026, 7:03 PM EDT
Withdrawn Phase 4 Interventional Accepts healthy volunteers

Studying the Efficacy of Aspirin & Clopidogrel in Healthy Subjects With Stable Coronary Artery Disease.

NCT01011257
View directory record Official record
Conditions
Coronary Artery Disease
Interventions
Asprin, Clopidogrel
Drug
Lead sponsor
Neil Kleiman, MD
Other
Eligibility
18 Years to 64 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2011
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jan 30, 2018 · Synced Sep 24, 2026, 7:03 PM EDT