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Showing 25–39 of 15 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Aspirin 325mg Clear all
Completed Phase 2 Interventional

Use Of SB424323 With Aspirin In Non-Valvular Atrial Fibrillation In Patients At A Low Or Intermediate Risk For Stroke

NCT00240643
View directory record Official record
Conditions
Fibrillation, Atrial, Atrial Fibrillation
Interventions
SB424323
Drug
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
18 Years to 75 Years
Enrollment
640 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2006
U.S. locations
9
States / cities
Mobile, Alabama • Troy, Michigan • Akron, Ohio + 6 more
Source: ClinicalTrials.gov public record
Updated Jan 15, 2017 · Synced Sep 24, 2026, 7:27 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers

Metabolomic and Inflammatory Effects of Oral Aspirin (ASA) in Subjects at Risk for Melanoma

NCT04062032
View directory record Official record
Conditions
Melanoma (Skin)
Interventions
Aspirin 81 mg, Aspirin 325mg
Drug
Lead sponsor
University of Utah
Other
Eligibility
18 Years and older
Enrollment
41 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2019
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Feb 17, 2022 · Synced Sep 24, 2026, 7:27 PM EDT
Terminated Phase 2 Interventional Results available

Aspirin and Antiretroviral Therapy in HIV Infected Patients

NCT00783614
View directory record Official record
Conditions
HIV Infection
Interventions
Aspirin 325mg, Antiretroviral therapy (ART)
Drug
Lead sponsor
Hennepin Healthcare Research Institute
Other
Eligibility
18 Years to 60 Years
Enrollment
22 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2010
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Nov 20, 2017 · Synced Sep 24, 2026, 7:27 PM EDT
Completed Not applicable Interventional Results available

The Clinical Utility of Thrombelastography in Guiding Prophylaxis of Venous Thromboembolism Following Trauma

NCT01050153
View directory record Official record
Conditions
Venous Thromboembolism
Interventions
Dalteparin sodium, Dalteparin sodium/aspirin
Drug
Lead sponsor
Denver Health and Hospital Authority
Other
Eligibility
18 Years and older
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2011
U.S. locations
1
States / cities
Denver, Colorado
Source: ClinicalTrials.gov public record
Updated Jan 7, 2019 · Synced Sep 24, 2026, 7:27 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Effect of Aspirin on Gut Microbiome

NCT02761486
View directory record Official record
Conditions
Healthy
Interventions
Aspirin, Placebo
Drug
Lead sponsor
University of Minnesota
Other
Eligibility
50 Years to 75 Years
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2018
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Jun 25, 2020 · Synced Sep 24, 2026, 7:27 PM EDT
Terminated Phase 2 Interventional Results available

STAT-STatin and Aspirin in Trauma

NCT02901067
View directory record Official record
Conditions
Wounds and Injuries, Venous Thromboembolism
Interventions
Aspirin and Rosuvastatin, Placebo (for Aspirin and Rosuvastatin)
Drug
Lead sponsor
Denver Health and Hospital Authority
Other
Eligibility
18 Years to 65 Years
Enrollment
43 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2021
U.S. locations
1
States / cities
Denver, Colorado
Source: ClinicalTrials.gov public record
Updated Apr 26, 2023 · Synced Sep 24, 2026, 7:27 PM EDT
Recruiting Not applicable Interventional

Pharmacogenomics in Stroke: Feasibility of CYP2C19 Testing

NCT06943586
View directory record Official record
Conditions
Stroke, Transient Ischemic Attack (TIA)
Interventions
CYP2C19 Genotype Guided DAPT (dual antiplatelet therapy)
Genetic
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
18 Years to 89 Years
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2029
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Apr 22, 2026 · Synced Sep 24, 2026, 7:27 PM EDT
Recruiting Phase 3 Interventional

Trial to Determine Effective Aspirin Dose in COPD

NCT05265299
View directory record Official record
Conditions
Pulmonary Disease, Chronic Obstructive
Interventions
Aspirin 81mg, Aspirin 162 mg, Aspirin 325mg
Drug
Lead sponsor
Johns Hopkins University
Other
Eligibility
40 Years to 80 Years
Enrollment
48 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 15, 2026 · Synced Sep 24, 2026, 7:27 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Evaluating the Need for Pneumatic Compression Devices

NCT02641080
View directory record Official record
Conditions
Osteoarthritis
Interventions
Aspirin, Portable Compression Device
Drug · Device
Lead sponsor
West Virginia University
Other
Eligibility
18 Years and older
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016
U.S. locations
1
States / cities
Morgantown, West Virginia
Source: ClinicalTrials.gov public record
Updated Nov 5, 2020 · Synced Sep 24, 2026, 7:27 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Aspirin Responsiveness in Women at Risk for Cardiac Events

NCT00818337
View directory record Official record
Conditions
Heart Disease
Interventions
Aspirin
Drug
Lead sponsor
Creighton University
Other
Eligibility
19 Years and older · Female only
Enrollment
36 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2009
U.S. locations
1
States / cities
Omaha, Nebraska
Source: ClinicalTrials.gov public record
Updated Dec 3, 2012 · Synced Sep 24, 2026, 7:27 PM 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 24, 2026, 7:27 PM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers

Atorvastatin ± Aspirin in Lynch Syndrome Syndrome

NCT04379999
View directory record Official record
Conditions
Lynch Syndrome
Interventions
Atorvastatin 20mg, Atorvastatin 20mg AND Aspirin 325 mg
Drug
Lead sponsor
Fox Chase Cancer Center
Other
Eligibility
18 Years to 75 Years
Enrollment
43 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2025
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Aug 6, 2025 · Synced Sep 24, 2026, 7:27 PM EDT
Completed Phase 2 Interventional Results available

LIPS-A: Lung Injury Prevention Study With Aspirin

NCT01504867
View directory record Official record
Conditions
Acute Respiratory Distress Syndrome
Interventions
Aspirin, Lactose powder
Drug
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
400 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2015
U.S. locations
16
States / cities
Stanford, California • Bridgeport, Connecticut • Gainsville, Florida + 11 more
Source: ClinicalTrials.gov public record
Updated Mar 5, 2017 · Synced Sep 24, 2026, 7:27 PM EDT
Not listed Phase 3 Interventional Accepts healthy volunteers

Pain Management After Shoulder Arthroplasty

NCT04872270
View directory record Official record
Conditions
Caffeine, Pain, Joint
Interventions
Total Shoulder Arthroplasty, Caffeine Pill, Percocet 10Mg-325Mg Tablet, Zofran 4Mg Tablet
Procedure · Drug
Lead sponsor
Rothman Institute Orthopaedics
Other
Eligibility
55 Years and older
Enrollment
160 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated May 3, 2021 · Synced Sep 24, 2026, 7:27 PM EDT
Recruiting Phase 4 Interventional

Stroke Rate in Patients With Blunt Cerebrovascular Injury (BCVI) Treated With Oral Acetylsalicylic Acid (ASA) 81 mg Versus ASA 325 mg (BASA).

NCT05868525
View directory record Official record
Conditions
Blunt Cerebrovascular Injury
Interventions
Aspirin 325Mg Tab, Aspirin 81Mg Tab
Drug
Lead sponsor
Loma Linda University
Other
Eligibility
18 Years and older
Enrollment
98 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
1
States / cities
Loma Linda, California
Source: ClinicalTrials.gov public record
Updated Jan 29, 2026 · Synced Sep 24, 2026, 7:27 PM EDT