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ClinicalTrials.gov public records Last synced Sep 18, 2026, 5:41 AM EDT

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Showing 1–24 of 83 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: 81mg aspirin Clear all
Not listed Phase 4 Interventional

Study Comparing Treatment Effectiveness of Guideline Indicated APT for ACS in Patients With CKD

NCT03150667
View directory record Official record
Conditions
Chronic Kidney Diseases, Acute Coronary Syndrome
Interventions
Ticagrelor, Clopidogrel
Drug
Lead sponsor
North Texas Veterans Healthcare System
Federal
Eligibility
18 Years and older
Enrollment
220 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2020
U.S. locations
2
States / cities
Durham, North Carolina • Dallas, Texas
Source: ClinicalTrials.gov public record
Updated May 24, 2018 · Synced Sep 18, 2026, 5:41 AM EDT
Completed Not applicable Interventional Results available

Aspirin Dosing: A Patient-Centric Trial Assessing Benefits and Long-term

NCT02697916
View directory record Official record
Conditions
Atherosclerotic Cardiovascular Disease
Interventions
aspirin
Drug
Lead sponsor
Duke University
Other
Eligibility
18 Years and older
Enrollment
15,076 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2020
U.S. locations
40
States / cities
Los Angeles, California • Wilmington, Delaware • Gainesville, Florida + 28 more
Source: ClinicalTrials.gov public record
Updated Jun 30, 2021 · Synced Sep 18, 2026, 5:41 AM 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Withdrawn Phase 4 Interventional Accepts healthy volunteers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 18, 2026, 5:41 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

The Effects of Aspirin in Gestation and Reproduction

NCT00467363
View directory record Official record
Conditions
Birth, Spontaneous Abortion
Interventions
acetylsalicylic-acid (aspirin), Folic acid
Drug · Dietary Supplement
Lead sponsor
Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)
NIH
Eligibility
18 Years to 40 Years · Female only
Enrollment
1,228 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2012
U.S. locations
4
States / cities
Denver, Colorado • Buffalo, New York • Scranton, Pennsylvania + 1 more
Source: ClinicalTrials.gov public record
Updated Feb 2, 2017 · Synced Sep 18, 2026, 5:41 AM 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 18, 2026, 5:41 AM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers Results available

The Effects of Omega-3 Fatty Acids on Aspirin Resistance

NCT00771914
View directory record Official record
Conditions
Increased Drug Resistance
Interventions
Aspirin, Lovaza, Both Aspirin and Lovaza, Placebo
Drug · Other
Lead sponsor
University of Rochester
Other
Eligibility
18 Years to 50 Years
Enrollment
27 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2009
U.S. locations
1
States / cities
Rochester, New York
Source: ClinicalTrials.gov public record
Updated Nov 5, 2012 · Synced Sep 18, 2026, 5:41 AM EDT
Recruiting Phase 4 Interventional

Effectiveness of Two Aspirin Doses for Prevention of Hypertensive Disorders of Pregnancy: ASPIRIN TRIAL

NCT06468202
View directory record Official record
Conditions
Hypertensive Disorders of Pregnancy, Preeclampsia, Gestational Hypertension
Interventions
Aspirin 81 mg, Aspirin 162 mg
Drug
Lead sponsor
Ohio State University
Other
Eligibility
14 Years to 35 Years · Female only
Enrollment
10,742 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2030
U.S. locations
16
States / cities
Birmingham, Alabama • Los Angeles, California • San Francisco, California + 13 more
Source: ClinicalTrials.gov public record
Updated May 3, 2026 · Synced Sep 18, 2026, 5:41 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 18, 2026, 5:41 AM EDT
Completed Early Phase 1 Interventional

Mediators of Abnormal Reproductive Function in Obesity (MARO)

NCT01817400
View directory record Official record
Conditions
Infertility, Female, Obesity
Interventions
Microdialysis, Vascepa - Fish Oil, Aspirin, Pioglitazone
Other · Dietary Supplement · Drug
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years to 60 Years · Female only
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Mar 16, 2015 · Synced Sep 18, 2026, 5:41 AM EDT
Active, not recruiting Early Phase 1 Interventional

Short Term Aspirin on the Biologic and Immunologic Changes of the Fallopian Tube

NCT03771651
View directory record Official record
Conditions
Fallopian Tube Cancer, Fallopian Tube Infection
Interventions
Aspirin 81 mg
Drug
Lead sponsor
University of Oklahoma
Other
Eligibility
18 Years to 99 Years · Female only
Enrollment
18 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2026
U.S. locations
1
States / cities
Oklahoma City, Oklahoma
Source: ClinicalTrials.gov public record
Updated Feb 16, 2026 · Synced Sep 18, 2026, 5:41 AM EDT
Recruiting Phase 1Phase 2 Interventional

Daily Aspirin vs Split Dosing in High-risk Pregnancies (DASH)

NCT06826859
View directory record Official record
Conditions
Preterm Birth, Preeclampsia
Interventions
Daily aspirin (ASA), Split dose aspirin (ASA)
Drug
Lead sponsor
Thomas Jefferson University
Other
Eligibility
16 Years to 55 Years · Female only
Enrollment
400 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2029
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jul 16, 2025 · Synced Sep 18, 2026, 5:41 AM EDT
Completed Early Phase 1 Interventional Results available

Aspirin Resistance in Coronary Artery Disease

NCT00753935
View directory record Official record
Conditions
Coronary Artery Disease
Interventions
enteric-coated aspirin, Chewable aspirin
Drug
Lead sponsor
Vanderbilt University
Other
Eligibility
40 Years and older
Enrollment
92 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2014
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Apr 18, 2018 · Synced Sep 18, 2026, 5:41 AM EDT
Completed Phase 1 Interventional

Anti-platelet + Pembro for H&N Tumors

NCT03245489
View directory record Official record
Conditions
Head and Neck Cancer
Interventions
Pembrolizumab, Clopidogrel, acetylsalicylic acid
Drug
Lead sponsor
Medical University of South Carolina
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2024
U.S. locations
1
States / cities
Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Jan 30, 2025 · Synced Sep 18, 2026, 5:41 AM EDT
Completed Phase 1Phase 2 Interventional Results available

Aspirin for the Treatment of Nonalcoholic Fatty Liver Disease

NCT04031729
View directory record Official record
Conditions
Nonalcoholic Fatty Liver, Nonalcoholic Steatohepatitis
Interventions
Aspirin 81 mg, Placebo oral tablet
Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 70 Years
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2023
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated May 23, 2024 · Synced Sep 18, 2026, 5:41 AM 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 18, 2026, 5:41 AM 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 18, 2026, 5:41 AM EDT
Withdrawn Phase 3 Interventional

SAVES-IBD: Safety & Efficacy of Aspirin vs. Standard of Care for VTE Prophylaxis After IBD Surgery

NCT05104229
View directory record Official record
Conditions
Crohn Disease, Ulcerative Colitis, Venous Thromboembolism
Interventions
Aspirin 81Mg Ec Tab, Standard of Care
Drug
Lead sponsor
Stefan Holubar MD MS FACS, FASCRS
Other
Eligibility
18 Years to 100 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Apr 17, 2024 · Synced Sep 18, 2026, 5:41 AM EDT
Completed Phase 3 Interventional Results available

A Different Approach to Preventing Thrombosis

NCT02774265
View directory record Official record
Conditions
Venous Thromboembolism, Pulmonary Embolism
Interventions
VTE prophylaxis with Enoxaparin 30mg BID, VTE prophylaxis with Aspirin 81mg BID
Drug
Lead sponsor
University of Maryland, Baltimore
Other
Eligibility
18 Years and older
Enrollment
329 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2017
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jan 4, 2022 · Synced Sep 18, 2026, 5:41 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 18, 2026, 5:41 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Study to See if Platelet Transfusion Stop or Lessen the Effect of the Drug on Platelets

NCT01744288
View directory record Official record
Conditions
Inhibition on Platelet Aggregation
Interventions
Ticagrelor, Clopidogrel, ASA
Drug
Lead sponsor
AstraZeneca
Industry
Eligibility
18 Years to 50 Years
Enrollment
258 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2014
U.S. locations
1
States / cities
Overland Park, Kansas
Source: ClinicalTrials.gov public record
Updated Apr 23, 2014 · Synced Sep 18, 2026, 5:41 AM 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 18, 2026, 5:41 AM EDT
Completed Phase 4 Interventional Results available

Vorapaxar in Patients With Prior Myocardial Infarction Treated With Prasugrel and Ticagrelor

NCT02545933
View directory record Official record
Conditions
Myocardial Infarction
Interventions
Prasugrel, Vorapaxar, Aspirin, Ticagrelor
Drug
Lead sponsor
University of Florida
Other
Eligibility
18 Years to 75 Years
Enrollment
130 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2020
U.S. locations
1
States / cities
Jacksonville, Florida
Source: ClinicalTrials.gov public record
Updated Sep 15, 2020 · Synced Sep 18, 2026, 5:41 AM EDT
Active, not recruiting Phase 4 Interventional Accepts healthy volunteers

Low Dose Aspirin for Preterm Preeclampsia Preventionmg/day Dose in High-risk Patients

NCT05514847
View directory record Official record
Conditions
Preeclampsia, Pregnancy Related
Interventions
Aspirin 81Mg Ec Tab, Aspirin 162Mg Ec Tab
Drug
Lead sponsor
University of Virginia
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
150 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2025
U.S. locations
1
States / cities
Charlottesville, Virginia
Source: ClinicalTrials.gov public record
Updated Jan 14, 2025 · Synced Sep 18, 2026, 5:41 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Postpartum ASA and NT-proBNP

NCT05889468
View directory record Official record
Conditions
Blood Pressure
Interventions
Aspirin 81Mg Ec Tab, Placebo
Drug
Lead sponsor
Duke University
Other
Eligibility
18 Years to 60 Years · Female only
Enrollment
114 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Jun 3, 2025 · Synced Sep 18, 2026, 5:41 AM EDT