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ClinicalTrials.gov public records Last synced Oct 15, 2026, 10:10 AM EDT

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Showing 385–408 of 588 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Aspirin (ASA) Clear all
Completed Early Phase 1 Interventional Accepts healthy volunteers

Aspirin Effects on Emotional Reactions

NCT04146532
View directory record Official record
Conditions
Healthy Adults
Interventions
Aspirin 500 MG, Placebo
Drug
Lead sponsor
Ohio State University
Other
Eligibility
18 Years and older · Male only
Enrollment
268 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2022
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Jun 3, 2024 · Synced Oct 15, 2026, 10:10 AM EDT
Terminated Not applicable Interventional Results available

Frequency of Reduced Leaflet Motion After Surgical Aortic Valve Replacement and Transcatheter Aortic Valve Replacement.

NCT02696226
View directory record Official record
Conditions
Aortic Valve Disorder
Interventions
SAVR Warfarin, SAVR Aspirin, TAVR Warfarin and clopidogrel, TAVR Aspirin and clopidogrel
Drug
Lead sponsor
The Cleveland Clinic
Other
Eligibility
18 Years and older
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2017
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Aug 24, 2018 · Synced Oct 15, 2026, 10:10 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Drug-drug Interaction Study of Aggrenox and Omeprazole in Normal Volunteers

NCT01303445
View directory record Official record
Conditions
Healthy
Interventions
Aggrenox alone, Aggrenox and omeprazole, Omeprazole alone
Drug
Lead sponsor
Boehringer Ingelheim
Industry
Eligibility
18 Years to 50 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
Started 2011
U.S. locations
1
States / cities
Tempe, Arizona
Source: ClinicalTrials.gov public record
Updated Dec 24, 2013 · Synced Oct 15, 2026, 10:10 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Dextromethorphan as a Novel Non-opioid Adjunctive Agent for Pain Control in Medication Abortion

NCT03480009
View directory record Official record
Conditions
Abortion in First Trimester
Interventions
Dextromethorphan Hydrobromide, Avicel PH101 (Microcrystalline Cellulose NF) for Compounding, Oxycodone
Drug
Lead sponsor
Study Investigator-Sponsor
Other
Eligibility
18 Years and older · Female only
Enrollment
156 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
2
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Aug 6, 2020 · Synced Oct 15, 2026, 10:10 AM EDT
Recruiting Phase 2 Interventional

Aspirin for Postpartum Patients With Preeclampsia

NCT05924971
View directory record Official record
Conditions
Preeclampsia Postpartum
Interventions
Aspirin 81Mg Ec Tab
Drug
Lead sponsor
MemorialCare Health System
Other
Eligibility
18 Years and older · Female only
Enrollment
86 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
1
States / cities
Long Beach, California
Source: ClinicalTrials.gov public record
Updated Jun 6, 2025 · Synced Oct 15, 2026, 10:10 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 6, 2012 · Synced Oct 15, 2026, 10:10 AM EDT
Completed Not applicable Interventional

Impact of Medical and Surgical Therapy on Functional Mitral Regurgitation

NCT00224809
View directory record Official record
Conditions
Cardiovascular Diseases, Heart Diseases, Coronary Disease
Interventions
Angiotensin-Converting Enzyme Inhibitors, Coronary Artery Bypass Graft, Angiotensin Receptor Blockers, Spironolactone, Aspirin, Clopidogrel, Surgical Ventricular Restoration
Drug · Procedure
Lead sponsor
Baylor Research Institute
Other
Eligibility
18 Years and older
Enrollment
250 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2007
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Feb 19, 2014 · Synced Oct 15, 2026, 10:10 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Genotypic and Phenotypic Correlates of Resistance to Aspirin

NCT01361620
View directory record Official record
Conditions
Platelet Dysfunction Due to Aspirin
Interventions
aspirin
Drug
Lead sponsor
George Washington University
Other
Eligibility
40 Years to 80 Years
Enrollment
190 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2011
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated Dec 16, 2013 · Synced Oct 15, 2026, 10:10 AM EDT
Completed Phase 2Phase 3 Interventional Accepts healthy volunteers

Aspirin/Folate Prevention of Large Bowel Polyps

NCT00272324
View directory record Official record
Conditions
Colorectal Cancer, Polyps, Adenomas
Interventions
Aspirin, Folate
Drug
Lead sponsor
Dartmouth-Hitchcock Medical Center
Other
Eligibility
21 Years to 80 Years
Enrollment
1,121 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
1992 – 2007
U.S. locations
8
States / cities
Los Angeles, California • Denver, Colorado • Iowa City, Iowa + 5 more
Source: ClinicalTrials.gov public record
Updated Mar 13, 2020 · Synced Oct 15, 2026, 10:10 AM EDT
Terminated Phase 2 Interventional Results available

Aspirin to Prevent Preeclampsia in Women With Elevated Blood Pressure and Stage 1 Hypertension (ASPPIRE)

NCT04402385
View directory record Official record
Conditions
Pre-Eclampsia, Stage 1 Hypertension, Elevated Blood Pressure
Interventions
Aspirin 81 mg, Placebo
Drug
Lead sponsor
Yale University
Other
Eligibility
18 Years and older · Female only
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Jul 11, 2023 · Synced Oct 15, 2026, 10:10 AM EDT
Completed Phase 3 Interventional Results available

Warfarin Versus Aspirin in Reduced Cardiac Ejection Fraction (WARCEF) Trial

NCT00041938
View directory record Official record
Conditions
Heart Disease, Stroke, Ischemic Heart Disease, Myocardial Infarction
Interventions
aspirin, Warfarin
Drug
Lead sponsor
Columbia University
Other
Eligibility
18 Years and older
Enrollment
2,305 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2014
U.S. locations
54
States / cities
Tucson, Arizona • Santa Clara, California • West Los Angeles, California + 41 more
Source: ClinicalTrials.gov public record
Updated Sep 5, 2014 · Synced Oct 15, 2026, 10:10 AM EDT
Recruiting Phase 2 Interventional

Alpelisib/iNOS Inhibitor/Nab-paclitaxel in Patients With HER2 Negative Metaplastic Breast Cancer (MpBC)

NCT05660083
View directory record Official record
Conditions
HER2-negative Breast Cancer, Metastatic Breast Cancer, Metaplastic Breast Carcinoma, TNBC - Triple-Negative Breast Cancer
Interventions
L-NMMA
Drug
Lead sponsor
The Methodist Hospital Research Institute
Other
Eligibility
18 Years and older
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2028
U.S. locations
3
States / cities
Bethesda, Maryland • Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jun 4, 2026 · Synced Oct 15, 2026, 10:10 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Chronic Kidney Disease (CKD) Platelet Study

NCT03649711
View directory record Official record
Conditions
Chronic Kidney Diseases, Heart Attack, Stroke, Ischemic
Interventions
Ticagrelor 90mg, Clopidogrel 75mg, Aspirin 81 mg
Drug
Lead sponsor
University of Arkansas
Other
Eligibility
18 Years to 91 Years
Enrollment
76 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2021
U.S. locations
2
States / cities
Little Rock, Arkansas
Source: ClinicalTrials.gov public record
Updated Dec 29, 2022 · Synced Oct 15, 2026, 10:10 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Study of Aleglitazar in Combination With Aspirin in Healthy Volunteers

NCT01188304
View directory record Official record
Conditions
Healthy Volunteer
Interventions
aleglitazar, aspirin, placebo
Drug
Lead sponsor
Hoffmann-La Roche
Industry
Eligibility
40 Years to 65 Years
Enrollment
44 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010
U.S. locations
1
States / cities
San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Nov 2, 2016 · Synced Oct 15, 2026, 10:10 AM EDT
Completed Not applicable Interventional Results available

Nudge to Drive Transitions of Care

NCT04660032
View directory record Official record
Conditions
Preeclampsia, Preeclampsia Severe, Gestational Hypertension, Hypertensive Disorder of Pregnancy, Superimposed Pre-Eclampsia
Interventions
Nudge
Behavioral
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years and older · Female only
Enrollment
224 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Aug 5, 2024 · Synced Oct 15, 2026, 10:10 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers

Study Evaluating the Efficacy of an Ibuprofen Effervescent Tablet in the Treatment of Post-Surgical Dental Pain

NCT00631111
View directory record Official record
Conditions
Pain
Interventions
effervescent ibuprofen tablets, effervescent Aspirin plus Vitamin C tablets, ibuprofen tablets, placebo
Drug
Lead sponsor
Wyeth is now a wholly owned subsidiary of Pfizer
Industry
Eligibility
16 Years to 40 Years
Enrollment
270 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2008
U.S. locations
1
States / cities
Austin, Texas
Source: ClinicalTrials.gov public record
Updated Aug 10, 2009 · Synced Oct 15, 2026, 10:10 AM EDT
Withdrawn Phase 4 Interventional Accepts healthy volunteers

Aspirin (ASA) Therapy and Preeclampsia Prevention

NCT04158830
View directory record Official record
Conditions
Preeclampsia
Interventions
Aspirin 81 mg Enteric Coated Tab - 1 tablet, Aspirin 81 mg Enteric Coated Tab - 2 tablets
Drug
Lead sponsor
University of Tennessee
Other
Eligibility
14 Years to 50 Years · Female only
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
1
States / cities
Memphis, Tennessee
Source: ClinicalTrials.gov public record
Updated Nov 13, 2020 · Synced Oct 15, 2026, 10:10 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

To Evaluate the Bioavailability of a Single Oral Dose of the Acetylsalicylic Acid Containing Dry Powder 500 mg in Comparison to the Bioavailability of a Single Oral Dose of Aspirin Tablets and Aspirin Effervescent Tablets in Healthy Adults.

NCT02394093
View directory record Official record
Conditions
Pharmacology, Clinical
Interventions
Aspirin (Acetylsalicylic acid, BAYe4465)
Drug
Lead sponsor
Bayer
Industry
Eligibility
18 Years to 55 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015
U.S. locations
1
States / cities
Hackensack, New Jersey
Source: ClinicalTrials.gov public record
Updated Sep 19, 2016 · Synced Oct 15, 2026, 10:10 AM EDT
Withdrawn Not applicable Interventional Accepts healthy volunteers

Measurement of Platelet Dense Granule Release in Healthy Volunteers

NCT00942617
View directory record Official record
Conditions
Platelet Aggregation
Interventions
Aspirin
Drug
Lead sponsor
Vanderbilt University
Other
Eligibility
18 Years and older · Male only
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2012
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Dec 7, 2015 · Synced Oct 15, 2026, 10:10 AM EDT
Terminated No phase listed Observational

Evaluation of Mammographic Breast Density in Participants with Hormone Receptor-Negative Breast Cancer Enrolled on Study A011502

NCT03609021
View directory record Official record
Conditions
Breast Carcinoma, Estrogen Receptor Negative, Progesterone Receptor Negative
Interventions
Screening Mammography, Biospecimen Collection
Procedure
Lead sponsor
Alliance for Clinical Trials in Oncology
Other
Eligibility
Female only
Enrollment
18 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2022
U.S. locations
514
States / cities
Fairbanks, Alaska • Gilbert, Arizona • Glendale, Arizona + 341 more
Source: ClinicalTrials.gov public record
Updated Jan 16, 2025 · Synced Oct 15, 2026, 10:10 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 17, 2025 · Synced Oct 15, 2026, 10:10 AM EDT
Completed Phase 4 Interventional

Edoxaban in Patients With Coronary Artery Disease on Dual Antiplatelet Therapy With Aspirin and Clopidogrel

NCT02567461
View directory record Official record
Conditions
Coronary Artery Disease
Interventions
Edoxaban 60 mg, Edoxaban 30 mg, Clopidogrel 75 mg, Aspirin 81 mg
Drug
Lead sponsor
University of Florida
Other
Eligibility
18 Years and older
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
1
States / cities
Jacksonville, Florida
Source: ClinicalTrials.gov public record
Updated Apr 6, 2018 · Synced Oct 15, 2026, 10:10 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Alcohol Inhibits Drug Metabolism by Carboxylesterases

NCT01708369
View directory record Official record
Conditions
Drug Interactions
Interventions
Placebo, Ethanol, Oseltamivir, Aspirin
Drug
Lead sponsor
University of Tennessee
Other
Eligibility
21 Years to 45 Years
Enrollment
19 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012
U.S. locations
1
States / cities
Memphis, Tennessee
Source: ClinicalTrials.gov public record
Updated Oct 16, 2012 · Synced Oct 15, 2026, 10:10 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 15, 2026 · Synced Oct 15, 2026, 10:10 AM EDT