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ClinicalTrials.gov public records Last synced Oct 9, 2026, 2:20 AM EDT

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Showing 121–144 of 588 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Aspirin (ASA) Clear all
Completed No phase listed Observational Accepts healthy volunteers

Effect of Niaspan on Cholesterol in Men

NCT00765284
View directory record Official record
Conditions
HDL Cholesterol
Interventions
Not listed
Lead sponsor
KineMed
Industry
Eligibility
18 Years to 70 Years · Male only
Enrollment
15 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2011
U.S. locations
1
States / cities
San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Jun 30, 2011 · Synced Oct 9, 2026, 2:20 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers

Effect of Naproxen, Aspirin, Celecoxib, or Clopidogrel on the Healing of Stomach and Intestinal Ulcers

NCT00778193
View directory record Official record
Conditions
Gastroduodenal Ulcer
Interventions
Naproxen, Aspirin, Celecoxib, Clopidogrel, Placebo
Drug
Lead sponsor
Research Associates of New York, LLP
Other
Eligibility
18 Years to 75 Years
Enrollment
125 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2008
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Oct 23, 2008 · Synced Oct 9, 2026, 2:20 AM EDT
Active, not recruiting Phase 2 Interventional Results available

Aspirin in Preventing Colorectal Cancer in Patients With Colorectal Adenoma

NCT02965703
View directory record Official record
Conditions
Colorectal Adenoma, Colorectal Carcinoma
Interventions
Aspirin, Biospecimen Collection, Placebo Administration, Questionnaire Administration, Rectal Biopsy
Drug · Procedure · Other
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years and older
Enrollment
81 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2026
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Aug 6, 2026 · Synced Oct 9, 2026, 2:20 AM EDT
Completed Phase 1 Interventional

Nitric Oxide-Releasing Acetylsalicyclic Acid in Preventing Colorectal Cancer in Patients at High Risk of Colorectal Cancer

NCT00331786
View directory record Official record
Conditions
Colorectal Cancer
Interventions
nitric oxide-releasing acetylsalicylic acid derivative, laboratory biomarker analysis, biopsy
Drug · Other · Procedure
Lead sponsor
Stony Brook University
Other
Eligibility
50 Years and older
Enrollment
240 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2006
U.S. locations
1
States / cities
Stony Brook, New York
Source: ClinicalTrials.gov public record
Updated Feb 9, 2009 · Synced Oct 9, 2026, 2:20 AM 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 30, 2012 · Synced Oct 9, 2026, 2:20 AM 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 21, 2017 · Synced Oct 9, 2026, 2:20 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 9, 2026, 2:20 AM EDT
Completed Not applicable Interventional Results available

The ARIES HeartMate 3 Pump IDE Study

NCT04069156
View directory record Official record
Conditions
Heart Failure
Interventions
LVAD Implant, Aspirin 100mg, Placebo oral tablet
Device · Drug
Lead sponsor
Abbott Medical Devices
Industry
Eligibility
18 Years and older
Enrollment
628 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
41
States / cities
Little Rock, Arkansas • La Jolla, California • Palo Alto, California + 31 more
Source: ClinicalTrials.gov public record
Updated Mar 27, 2025 · Synced Oct 9, 2026, 2:20 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Comparative Effects of Aspirin and NHP-544C

NCT02189122
View directory record Official record
Conditions
Healthy
Interventions
Bradykinin, Aspirin 81 mg, Aspirin 162 mg, NHP544-C 81 mg, NHP544C 162 mg, Placebo
Drug
Lead sponsor
Vanderbilt University
Other
Eligibility
18 Years to 55 Years
Enrollment
61 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2015
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Jul 12, 2016 · Synced Oct 9, 2026, 2:20 AM EDT
Terminated Not applicable Interventional Results available

Feasibility of ExAblate MRI Guided High Intensity Focused Ultrasound Tx of Soft Tissue Tumors

NCT01965002
View directory record Official record
Conditions
Soft Tissue Neoplasms
Interventions
MRgHIFU, Aspirin, Enoxaparin
Device · Drug
Lead sponsor
Pejman Ghanouni
Other
Eligibility
10 Years and older
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
1
States / cities
Stanford, California
Source: ClinicalTrials.gov public record
Updated May 23, 2018 · Synced Oct 9, 2026, 2:20 AM EDT
Completed No phase listed Observational

Triple Antithrombotic Therapy in Cardiac Patients Requiring Revascularization

NCT03889574
View directory record Official record
Conditions
Cardiac Disease
Interventions
Not listed
Lead sponsor
Methodist Health System
Other
Eligibility
18 Years and older
Enrollment
84 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Nov 20, 2020 · Synced Oct 9, 2026, 2:20 AM EDT
Completed Phase 3 Interventional Results available

[SOCRATES -Acute Stroke Or Transient IsChaemic Attack TReated With Aspirin or Ticagrelor and Patient OutcomES]

NCT01994720
View directory record Official record
Conditions
Acute Ischaemic Stroke, Transient Ischaemic Attack
Interventions
ticagrelor, Acetylsalicylic acid (ASA)
Drug
Lead sponsor
AstraZeneca
Industry
Eligibility
40 Years to 130 Years
Enrollment
13,307 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
115
States / cities
Montgomery, Alabama • Phoenix, Arizona • Fayetteville, Arkansas + 112 more
Source: ClinicalTrials.gov public record
Updated Jun 12, 2017 · Synced Oct 9, 2026, 2:20 AM EDT
Not yet recruiting Phase 4 Interventional

A Clinical Trial of Antiplatelets in Psoriasis

NCT07744191
View directory record Official record
Conditions
Psoriasis (PsO), Psoriatic Arthritis (PsA)
Interventions
Aspirin, Clopidogrel, Placebo
Drug · Other
Lead sponsor
NYU Langone Health
Other
Eligibility
18 Years to 90 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2031
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Aug 5, 2026 · Synced Oct 9, 2026, 2:20 AM EDT
Completed Phase 3 Interventional Results available

Study to Evaluate the Long-Term Safety of PA32540 in Subjects Who Are at Risk for Developing Aspirin-Associated Gastric Ulcers

NCT00995410
View directory record Official record
Conditions
Aspirin-Associated Gastric Ulcers
Interventions
PA32540
Drug
Lead sponsor
POZEN
Industry
Eligibility
55 Years and older
Enrollment
380 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2011
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Feb 17, 2016 · Synced Oct 9, 2026, 2:20 AM EDT
Recruiting No phase listed Observational

Relationship Between Aspirin Metabolism and Markers of Metabolic Dysfunction Among Pregnant Persons at Risk of Pre-eclampsia

NCT06802861
View directory record Official record
Conditions
Preeclampsia, Preeclampsia (PE), Preeclampsia (PE) Risk, Obesity and Obesity-related Medical Conditions, Pregnancy, Pregnancy Complications, Gestational Diabetes, Gestational Diabetes Mellitus in Pregnancy, Gestational Complications
Interventions
Not listed
Lead sponsor
University of Tennessee Graduate School of Medicine
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2028
U.S. locations
1
States / cities
Knoxville, Tennessee
Source: ClinicalTrials.gov public record
Updated Sep 10, 2025 · Synced Oct 9, 2026, 2:20 AM 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 7, 2026 · Synced Oct 9, 2026, 2:20 AM EDT
Completed Phase 4 Interventional Results available

PRoFESS - Prevention Regimen For Effectively Avoiding Second Strokes

NCT00153062
View directory record Official record
Conditions
Stroke
Interventions
Aggrenox, Clopidogrel placebo, Micardis, Aggrenox placebo, Clopidogrel, Micardis placebo
Drug
Lead sponsor
Boehringer Ingelheim
Industry
Eligibility
50 Years and older
Enrollment
20,332 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2003
U.S. locations
204
States / cities
Birmingham, Alabama • Huntsville, Alabama • Mobile, Alabama + 160 more
Source: ClinicalTrials.gov public record
Updated May 13, 2014 · Synced Oct 9, 2026, 2:20 AM EDT
Completed Phase 4 Interventional Results available

Ticagrelor With Aspirin or Alone in High-Risk Patients After Coronary Intervention

NCT02270242
View directory record Official record
Conditions
Cardiovascular Disease, Interventional Cardiology
Interventions
Aspirin, Placebo, ticagrelor
Drug
Lead sponsor
Icahn School of Medicine at Mount Sinai
Other
Eligibility
18 Years and older
Enrollment
9,006 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2019
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jan 13, 2021 · Synced Oct 9, 2026, 2:20 AM EDT
Completed Phase 2 Interventional Results available

Esomeprazole Magnesium With or Without Aspirin in Preventing Esophageal Cancer in Patients With Barrett Esophagus

NCT00474903
View directory record Official record
Conditions
Barrett Esophagus, Esophageal Cancer
Interventions
acetylsalicylic acid, esomeprazole magnesium, placebo
Drug · Other
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years and older
Enrollment
122 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2011
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Jul 2, 2014 · Synced Oct 9, 2026, 2:20 AM EDT
Completed Phase 3 Interventional Results available

A Study to Evaluate the Incidence of Gastric Ulcers Following Administration of Either PA32540 or Enteric Coated Aspirin 325 mg in Subjects Who Are at Risk for Developing Aspirin-Associated Ulcers

NCT00961350
View directory record Official record
Conditions
Gastric Ulcer
Interventions
PA32540, EC Aspirin 325
Drug
Lead sponsor
POZEN
Industry
Eligibility
55 Years and older
Enrollment
530 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2012
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Feb 18, 2016 · Synced Oct 9, 2026, 2:20 AM EDT
Completed Phase 2 Interventional

Fish Oil and Aspirin With Type 2 Diabetes

NCT01181882
View directory record Official record
Conditions
Cardiovascular Disease
Interventions
Fish Oil and Aspirin
Dietary Supplement
Lead sponsor
University of Rochester
Other
Eligibility
40 Years to 80 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2012
U.S. locations
1
States / cities
Rochester, New York
Source: ClinicalTrials.gov public record
Updated Oct 8, 2013 · Synced Oct 9, 2026, 2:20 AM EDT
Completed Phase 4 Interventional

The Impact of Factor Xa Inhibition on Thrombosis, Platelet Activation, and Endothelial Function in Peripheral Artery Disease

NCT05009862
View directory record Official record
Conditions
Peripheral Arterial Disease
Interventions
Rivaroxaban 2.5 Mg Oral Tablet, Placebo, Aspirin 81Mg Ec Tab
Drug
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
40 Years and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2025
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Jul 14, 2026 · Synced Oct 9, 2026, 2:20 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 19, 2018 · Synced Oct 9, 2026, 2:20 AM 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 5, 2017 · Synced Oct 9, 2026, 2:20 AM EDT