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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
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 Jul 22, 2026, 8:52 PM EDT
Completed Phase 2 Interventional Results available

Aspirin Resistance and Percutaneous Coronary Intervention (PCI)

NCT01103440
View directory record Official record
Conditions
Stable Angina
Interventions
Intravenous Glycoprotein inhibitor + ASA, Clopidogrel, Antiplatelet Therapy (ASA, Clopidogrel)
Drug
Lead sponsor
Icahn School of Medicine at Mount Sinai
Other
Eligibility
18 Years and older
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2009
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Feb 13, 2018 · Synced Jul 22, 2026, 8:52 PM EDT
Terminated Phase 2 Interventional Results available

A Pharmacodynamic Study to Evaluate the Effect of a Fixed Dose Combination Pill on Blood Pressure

NCT01005290
View directory record Official record
Conditions
Hypertension
Interventions
Combination pill, Ramipril
Drug
Lead sponsor
Ferrer Internacional S.A.
Industry
Eligibility
18 Years and older
Enrollment
38 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2010
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jul 25, 2012 · Synced Jul 22, 2026, 8:52 PM EDT
Completed Phase 4 Interventional

Antiplatelet Therapy to Prevent Stroke in African Americans

NCT00004727
View directory record Official record
Conditions
Stroke, Cerebral Infarction
Interventions
aspirin, ticlopidine
Drug
Lead sponsor
National Institute of Neurological Disorders and Stroke (NINDS)
NIH
Eligibility
29 Years to 85 Years
Healthy volunteers
Healthy volunteers not accepted
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jun 23, 2005 · Synced Jul 22, 2026, 8:52 PM EDT
Recruiting Early Phase 1 Interventional Accepts healthy volunteers

Prenatal Aspirin and Postpartum Vascular Function

NCT05653973
View directory record Official record
Conditions
Preeclampsia, Microvascular Function
Interventions
Acetylcholine, Endothelin-1
Drug
Lead sponsor
Anna Stanhewicz, PhD
Other
Eligibility
18 Years to 50 Years · Female only
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2027
U.S. locations
1
States / cities
Iowa City, Iowa
Source: ClinicalTrials.gov public record
Updated May 30, 2025 · Synced Jul 22, 2026, 8:52 PM EDT
Completed Not applicable Interventional Results available

Aspirin and Compression Devices for VTE Prophylaxis in Orthopaedic Oncology

NCT01696760
View directory record Official record
Conditions
Bone Metastases, Musculoskeletal Cancer, Soft Tissue Sarcoma, Thromboembolism
Interventions
acetylsalicylic acid, enoxaparin, PCD
Drug · Device
Lead sponsor
Ohio State University Comprehensive Cancer Center
Other
Eligibility
18 Years and older
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2012
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Dec 4, 2018 · Synced Jul 22, 2026, 8:52 PM EDT
Not listed Phase 1Phase 2 Interventional Accepts healthy volunteers

Reversal of Aspirin Antiplatelet Therapy With Cold Stored Platelets

NCT05111028
View directory record Official record
Conditions
Reversal of Platelet Aggregation Inhibitors
Interventions
Autologous Room Temperature stored Platelet transfusion, Autologous Cold Stored Platelet transfusion
Biological
Lead sponsor
Bloodworks
Other
Eligibility
18 Years to 59 Years
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Nov 7, 2021 · Synced Jul 22, 2026, 8:52 PM EDT
Completed Phase 3 Interventional Results available

Aspirin for Exercise in Multiple Sclerosis (ASPIRE)

NCT03824938
View directory record Official record
Conditions
Multiple Sclerosis
Interventions
Aspirin 650mg Oral Capsule, Acetaminophen Tablet 650mg, Placebo
Drug · Other
Lead sponsor
Columbia University
Other
Eligibility
18 Years to 70 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2022
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Oct 26, 2023 · Synced Jul 22, 2026, 8:52 PM EDT
Completed Phase 3 Interventional Results available

Study to Evaluate the EFFECTS of Acetylsalicylic Acid (ASA) on Niaspan®-Induced Flushing in Subjects With Dyslipidemia

NCT00626392
View directory record Official record
Conditions
Dyslipidemia
Interventions
niacin extended-release (NER), aspirin (ASA), aspirin placebo (ASA Pbo)
Drug
Lead sponsor
Abbott
Industry
Eligibility
18 Years and older
Enrollment
277 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008
U.S. locations
26
States / cities
Huntsville, Alabama • Scottsdale, Arizona • Tucson, Arizona + 22 more
Source: ClinicalTrials.gov public record
Updated Sep 1, 2009 · Synced Jul 22, 2026, 8:52 PM EDT
Recruiting Phase 2 Interventional

A Single-arm, Phase II Clinical Trial of ASPIRin to prEvent Venous Thromboembolism in Patients With Advanced Germ Cell Tumors Receiving Chemotherapy

NCT06866964
View directory record Official record
Conditions
Germ Cell Tumor, Testicular Cancer
Interventions
Low-dose ASA
Drug
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
18 Years to 70 Years
Enrollment
35 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2031
U.S. locations
3
States / cities
Charlotte, North Carolina • Winston-Salem, North Carolina • Milwaukee, Wisconsin
Source: ClinicalTrials.gov public record
Updated Feb 1, 2026 · Synced Jul 22, 2026, 8:52 PM EDT
Completed Phase 1Phase 2 Interventional

Arthritis Ease Study

NCT05721352
View directory record Official record
Conditions
Knee Osteoarthritis, Chronic Pain, Kinesiophobia
Interventions
Virtual Reality Nature scene plus heart rate variability biofeedback phone application
Behavioral
Lead sponsor
Arizona State University
Other
Eligibility
45 Years to 74 Years
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
1
States / cities
Phoenix, Arizona
Source: ClinicalTrials.gov public record
Updated Sep 22, 2024 · Synced Jul 22, 2026, 8:52 PM EDT
Terminated Phase 4 Interventional Accepts healthy volunteers

Loss of Effect of Aspirin on Platelet Aggregation During Chronic Administration

NCT00748371
View directory record Official record
Conditions
Platelet Aggregation
Interventions
aspirin, placebo
Drug
Lead sponsor
Vanderbilt University
Other
Eligibility
18 Years and older · Male only
Enrollment
51 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2004 – 2011
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Apr 11, 2017 · Synced Jul 22, 2026, 8:52 PM EDT
Recruiting Phase 2 Interventional

Optimal Dosing For Low-Dose Aspirin Chemoprophylaxis For VTE Following Total Joint Arthroplasty

NCT04295486
View directory record Official record
Conditions
Venous Thromboembolism
Interventions
Aspirin
Drug
Lead sponsor
University of Miami
Other
Eligibility
19 Years and older
Enrollment
5,478 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2027
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Mar 10, 2026 · Synced Jul 22, 2026, 8:52 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Aspirin Resistance in OSA Patients

NCT03930875
View directory record Official record
Conditions
Obstructive Sleep Apnea
Interventions
Aspirin Resistance testing
Other
Lead sponsor
Danbury Hospital
Other
Eligibility
18 Years to 85 Years
Enrollment
63 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
Danbury, Connecticut
Source: ClinicalTrials.gov public record
Updated Apr 28, 2019 · Synced Jul 22, 2026, 8:52 PM EDT
Terminated Not applicable Interventional Accepts healthy volunteers

The Effect of a Probiotic Strain on Aspirin-induced GI Damage

NCT03910322
View directory record Official record
Conditions
Reduction of Small Intestinal Ulceration Risk
Interventions
Bif195, Placebo
Dietary Supplement
Lead sponsor
Chr Hansen
Industry
Eligibility
40 Years to 60 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jun 25, 2020 · Synced Jul 22, 2026, 8:52 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers

The Effects of Aspirin and Acetaminophen on the Stomach in Healthy Volunteers

NCT00594867
View directory record Official record
Conditions
Healthy
Interventions
Acetaminophen - 4 grams per day + Placebo, Aspirin - 325 mg per day + Placebo, Acetaminophen 4 gram per day + Aspirin 325 mg per day
Drug
Lead sponsor
University of Illinois at Chicago
Other
Eligibility
18 Years to 75 Years
Enrollment
94 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2007
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated May 14, 2019 · Synced Jul 22, 2026, 8:52 PM EDT
Terminated Phase 4 Interventional Results available

Aspirin as a Novel Anti-Inflammatory Modality in the Fontan Patients

NCT02966002
View directory record Official record
Conditions
Fontan Procedure
Interventions
Aspirin
Drug
Lead sponsor
University of Michigan
Other
Eligibility
18 Years and older
Enrollment
9 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2017
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated May 17, 2018 · Synced Jul 22, 2026, 8:52 PM 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 Jul 22, 2026, 8:52 PM 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 Jul 22, 2026, 8:52 PM EDT
Terminated Phase 3 Interventional Results available

Aspirin in Patients With Myocardial Infarction and Thrombocytopenia

NCT00501345
View directory record Official record
Conditions
Thrombocytopenia, Myocardial Infarction
Interventions
Aspirin
Drug
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
Not listed
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2008
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jul 31, 2012 · Synced Jul 22, 2026, 8:52 PM EDT
Completed Not applicable Interventional Results available

Pharmacodynamic Effects of Dabigatran in Patients on Dual Antiplatelet Therapy

NCT01852162
View directory record Official record
Conditions
Coronary Artery Disease
Interventions
Dabigatran, Placebo
Drug
Lead sponsor
University of Florida
Other
Eligibility
18 Years to 80 Years
Enrollment
35 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
1
States / cities
Jacksonville, Florida
Source: ClinicalTrials.gov public record
Updated Mar 16, 2015 · Synced Jul 22, 2026, 8:52 PM EDT
Completed Phase 1 Interventional Results available

Comparison of Prasugrel and Clopidogrel in Very Elderly and Non-Elderly Patients With Stable Coronary Artery Disease

NCT01107912
View directory record Official record
Conditions
Coronary Artery Disease
Interventions
prasugrel, clopidogrel
Drug
Lead sponsor
Eli Lilly and Company
Industry
Eligibility
45 Years and older
Enrollment
155 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2011
U.S. locations
3
States / cities
Jacksonville, Florida • Baltimore, Maryland • Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Oct 25, 2012 · Synced Jul 22, 2026, 8:52 PM EDT
Completed Phase 3 Interventional Results available

Evaluation of a Flushing ASsessment Tool (FAST) in Subjects Receiving Niacin Extended-release Plus Aspirin

NCT00630877
View directory record Official record
Conditions
Dyslipidemia
Interventions
Niacin extended-release (NER), Niacin extended-release (NER) placebo, Aspirin (ASA), Aspirin (ASA) placebo
Drug
Lead sponsor
Abbott
Industry
Eligibility
18 Years and older
Enrollment
276 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008
U.S. locations
40
States / cities
Birmingham, Alabama • Anaheim, California • Walnut Creek, California + 35 more
Source: ClinicalTrials.gov public record
Updated Oct 8, 2009 · Synced Jul 22, 2026, 8:52 PM EDT
Enrolling by invitation Not applicable Interventional Accepts healthy volunteers

Improving Prenatal Care to Reduce Early Onset Preeclampsia in Low-Income

NCT07491510
View directory record Official record
Conditions
Monitoring Blood Pressure, Aspirin Prophylaxis
Interventions
Active Comparator: Behavioral: Experimental: Centering HER (routine prenatal care + 7 doula-led 90-minute virtual group
Behavioral
Lead sponsor
University of Kansas Medical Center
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
36 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026
U.S. locations
1
States / cities
Kansas City, Kansas
Source: ClinicalTrials.gov public record
Updated Jul 6, 2026 · Synced Jul 22, 2026, 8:52 PM EDT