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ClinicalTrials.gov public records Last synced Oct 14, 2026, 3:21 AM EDT

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Showing 385–408 of 588 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Acetylsalicylic acid (Aspirin) Clear all
Recruiting Phase 3 Interventional

Anticoagulation in ICH Survivors for Stroke Prevention and Recovery

NCT03907046
View directory record Official record
Conditions
Intracerebral Hemorrhage, Atrial Fibrillation
Interventions
Apixaban, Aspirin
Drug
Lead sponsor
Yale University
Other
Eligibility
18 Years and older
Enrollment
700 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2027
U.S. locations
186
States / cities
Birmingham, Alabama • Mobile, Alabama • Chandler, Arizona + 141 more
Source: ClinicalTrials.gov public record
Updated May 8, 2026 · Synced Oct 14, 2026, 3:21 AM EDT
Completed Not applicable Interventional

Positive Psychology to Improve Cardiac Health Behaviors

NCT01807442
View directory record Official record
Conditions
Acute Coronary Syndrome, Emotions, Patient Compliance
Interventions
Qualitative Interview and Adherence
Other
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Sep 16, 2014 · Synced Oct 14, 2026, 3:21 AM EDT
Active, not recruiting Not applicable Interventional

Thromboelastography With Platelet Mapping to Guide Antiplatelet Therapy After Lower Extremity Revascularization

NCT07597239
View directory record Official record
Conditions
Thrombosis, Arterial Occlusive Diseases, Thromboelastography (TEG), Peripheral Arterial Disease(PAD), Stent Thrombosis, Platelet Inhibition, PRU(Platelet Reactivity Unit)
Interventions
Aspirin, Clopidogrel, Ticagrelor, Platelet Reactivity Testing, Thromboelastography with Platelet Mapping
Drug · Diagnostic Test
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
60 Years and older
Enrollment
144 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Oct 13, 2026 · Synced Oct 14, 2026, 3:21 AM EDT
Completed Phase 2Phase 3 Interventional Accepts healthy volunteers Results available

Idiopathic Intracranial Hypertension Treatment Trial

NCT01003639
View directory record Official record
Conditions
Idiopathic Intracranial Hypertension
Interventions
Acetazolamide, Placebo, Formal weight loss counselling program
Drug · Behavioral
Lead sponsor
St. Luke's-Roosevelt Hospital Center
Other
Eligibility
18 Years to 60 Years
Enrollment
165 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2014
U.S. locations
39
States / cities
Birmingham, Alabama • Los Angeles, California • Waterbury, Connecticut + 31 more
Source: ClinicalTrials.gov public record
Updated Dec 12, 2018 · Synced Oct 14, 2026, 3:21 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Study to Compare the Pharmacodynamics and Pharmacokinetics of Acetylsalicylic Acid Powder for Oral Inhalation With Non-enteric-coated Chewable Aspirin in Healthy Adults.

NCT05625334
View directory record Official record
Conditions
Healthy Volunteers
Interventions
ASA, non-enteric-coated chewable aspirin
Drug
Lead sponsor
Vectura, Inc.
Industry
Eligibility
18 Years to 55 Years
Enrollment
86 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
2
States / cities
Baltimore, Maryland • Springfield, Missouri
Source: ClinicalTrials.gov public record
Updated Mar 22, 2024 · Synced Oct 14, 2026, 3:21 AM EDT
Completed Phase 3 Interventional Results available

A Phase III Study of Apixaban in Patients With Atrial Fibrillation

NCT00496769
View directory record Official record
Conditions
Atrial Fibrillation
Interventions
Apixaban, Acetylsalicylic acid
Drug
Lead sponsor
Bristol-Myers Squibb
Industry
Eligibility
50 Years and older
Enrollment
6,421 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2017
U.S. locations
69
States / cities
Mobile, Alabama • Tucson, Arizona • Anaheim, California + 62 more
Source: ClinicalTrials.gov public record
Updated Jun 15, 2018 · Synced Oct 14, 2026, 3:21 AM EDT
Not listed Phase 1 Interventional Accepts healthy volunteers

30-Day Trial of Oral Valtrex or Valtrex Plus Aspirin on Shedding of HSV DNA in Tears and Saliva of Volunteers

NCT00587496
View directory record Official record
Conditions
Herpes Simplex
Interventions
valacyclovir hydrochloride, placebo, valacyclovir plus aspirin
Drug
Lead sponsor
National Eye Institute (NEI)
NIH
Eligibility
20 Years and older
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2008
U.S. locations
2
States / cities
New Orleans, Louisiana
Source: ClinicalTrials.gov public record
Updated Jan 7, 2008 · Synced Oct 14, 2026, 3:21 AM EDT
Terminated Phase 4 Interventional

Ticagrelor and Peripheral Arterial Disease

NCT02407314
View directory record Official record
Conditions
Peripheral Arterial Disease
Interventions
Percutaneous Peripheral Intervention, Optical Coherence Tomography, Ankle Brachial Index, Six minute walk distance, Aspirin, Aspirin + Ticagrelor
Procedure · Device · Other + 1 more
Lead sponsor
Arkansas Heart Hospital
Other
Eligibility
18 Years and older
Enrollment
26 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2017
U.S. locations
1
States / cities
Little Rock, Arkansas
Source: ClinicalTrials.gov public record
Updated Jan 11, 2019 · Synced Oct 14, 2026, 3:21 AM EDT
Completed Phase 3 Interventional Results available

PREVENTion of Clot in Orthopaedic Trauma

NCT02984384
View directory record Official record
Conditions
Blood Clot, Trauma
Interventions
Acetylsalicylic acid, Low Molecular Weight Heparin (LMWH)
Drug
Lead sponsor
Major Extremity Trauma Research Consortium
Other
Eligibility
18 Years and older
Enrollment
12,424 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2022
U.S. locations
19
States / cities
Tucson, Arizona • Miami, Florida • Indianapolis, Indiana + 16 more
Source: ClinicalTrials.gov public record
Updated May 14, 2024 · Synced Oct 14, 2026, 3:21 AM EDT
Not yet recruiting Phase 2Phase 3 Interventional

Efficacy and Safety of Aspirin and Lansoprazole for Prevention of Preterm Birth in High-Risk Pregnant Women: A Biomarker-Enriched Trial

NCT07337655
View directory record Official record
Conditions
Pre-term Birth
Interventions
Low-Dose Aspirin Dose: 81 mg & Lansoprazole Dose: 30 mg, Standard of Care
Drug · Other
Lead sponsor
Stanford University
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
670 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2032
U.S. locations
1
States / cities
Palo Alto, California
Source: ClinicalTrials.gov public record
Updated Jan 13, 2026 · Synced Oct 14, 2026, 3:21 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Antithrombotic Effects of Ticagrelor Versus Clopidogrel

NCT01642238
View directory record Official record
Conditions
Acute Coronary Syndrome
Interventions
Ticagrelor + ASA + Bivalirudin, Clopidogrel + ASA + Bivalirudin
Drug
Lead sponsor
Juan J Badimon
Other
Eligibility
18 Years to 65 Years
Enrollment
15 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2013
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jul 11, 2016 · Synced Oct 14, 2026, 3:21 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 14, 2026, 3:21 AM EDT
Enrolling by invitation Phase 4 Interventional Accepts healthy volunteers

PFA 100 Evaluation and Reference Interval HOACNY

NCT06100510
View directory record Official record
Conditions
Effect of Drug
Interventions
Aspirin 325mg
Drug
Lead sponsor
Hematology Oncology Associates of Central New York
Other
Eligibility
18 Years and older
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024
U.S. locations
1
States / cities
East Syracuse, New York
Source: ClinicalTrials.gov public record
Updated Oct 3, 2024 · Synced Oct 14, 2026, 3:21 AM EDT
Enrolling by invitation Phase 3 Interventional

Reduce Opiate Exposure With ACL Surgery

NCT06561035
View directory record Official record
Conditions
Anterior Cruciate Ligament Injuries
Interventions
Opiate Sparing, Opiate Based
Drug
Lead sponsor
Campbell Clinic
Other
Eligibility
14 Years to 85 Years
Enrollment
56 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2028
U.S. locations
3
States / cities
Skokie, Illinois • Cincinnati, Ohio • Memphis, Tennessee
Source: ClinicalTrials.gov public record
Updated Sep 15, 2026 · Synced Oct 14, 2026, 3:21 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Targeting Platelets in Chronic HIV Infection

NCT02578706
View directory record Official record
Conditions
HIV-1 Infection
Interventions
Clopidogrel, Aspirin, Placebo
Drug
Lead sponsor
Icahn School of Medicine at Mount Sinai
Other
Eligibility
18 Years and older
Enrollment
27 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2016
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Feb 28, 2018 · Synced Oct 14, 2026, 3:21 AM EDT
Active, not recruiting Not applicable Interventional

Chronic Venous Thrombosis: Relief With Adjunctive Catheter-Directed Therapy (The C-TRACT Trial)

NCT03250247
View directory record Official record
Conditions
Deep Vein Thrombosis, Venous Stasis, Venous Insufficiency, Venous Leg Ulcer, Venous Reflux, Post Thrombotic Syndrome
Interventions
Stents
Device
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years and older
Enrollment
225 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2026
U.S. locations
29
States / cities
Orange, California • San Francisco, California • New Haven, Connecticut + 23 more
Source: ClinicalTrials.gov public record
Updated Jan 28, 2026 · Synced Oct 14, 2026, 3:21 AM EDT
Completed Phase 2 Interventional Results available

NeuroCognition After Carotid Recanalization

NCT04219774
View directory record Official record
Conditions
Cognition Disorder, Stroke, Occlusion Carotid
Interventions
Endovascular intervention, Aspirin and Clopidogrel (maximal medical Therapy)
Procedure · Drug
Lead sponsor
Duke University
Other
Eligibility
21 Years to 90 Years
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2024
U.S. locations
2
States / cities
Iowa City, Iowa • Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated May 9, 2025 · Synced Oct 14, 2026, 3:21 AM 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 17, 2015 · Synced Oct 14, 2026, 3:21 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Determining Genetic Role in Treatment Response to Anti-Platelet Interventions (The PAPI Study)

NCT00799396
View directory record Official record
Conditions
Platelet Aggregation Inhibitors, Coronary Heart Disease
Interventions
Clopidogrel, Aspirin
Drug
Lead sponsor
University of Maryland, Baltimore
Other
Eligibility
20 Years and older
Enrollment
682 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2012
U.S. locations
1
States / cities
Lancaster, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Feb 24, 2022 · Synced Oct 14, 2026, 3:21 AM EDT
Completed Phase 3 Interventional Results available

Efficacy and Safety of Acetaminophen and Aspirin Versus Placebo in the Acute Treatment of Migraine

NCT01973205
View directory record Official record
Conditions
Acute Migraine
Interventions
Acetaminophen 250 mg and Aspirin 250 mg, Placebo
Drug
Lead sponsor
Novartis
Industry
Eligibility
18 Years and older
Enrollment
900 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
19
States / cities
Birmingham, Alabama • Anaheim, California • San Francisco, California + 16 more
Source: ClinicalTrials.gov public record
Updated Jun 11, 2015 · Synced Oct 14, 2026, 3:21 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Aspirin and Zileuton and Biomarker Expression in Nasal Tissue of Current Smokers

NCT02348203
View directory record Official record
Conditions
Tobacco Use Disorder
Interventions
Aspirin, Laboratory Biomarker Analysis, Placebo Administration, Zileuton
Drug · Other
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years and older
Enrollment
63 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2021
U.S. locations
2
States / cities
Tucson, Arizona • Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jun 2, 2022 · Synced Oct 14, 2026, 3:21 AM EDT
Completed Phase 3 Interventional

Clopidogrel for High Atherothrombotic Risk and Ischemic Stabilization, Management and Avoidance (CHARISMA)

NCT00050817
View directory record Official record
Conditions
Arteriosclerosis
Interventions
clopidogrel (SR25990)
Drug
Lead sponsor
Sanofi
Industry
Eligibility
45 Years and older
Enrollment
15,603 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2005
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Apr 23, 2012 · Synced Oct 14, 2026, 3:21 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Bioequivalence of Single Dose Fast Release Aspirin (1000 mg) Tablet Versus Single Dose of Two 500 mg Fast Release Aspirin Tablets

NCT03056703
View directory record Official record
Conditions
Pain
Interventions
Acetylsalicylic acid (Aspirin, BAY1019036)
Drug
Lead sponsor
Bayer
Industry
Eligibility
18 Years to 55 Years
Enrollment
38 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014
U.S. locations
1
States / cities
Hackensack, New Jersey
Source: ClinicalTrials.gov public record
Updated Feb 17, 2017 · Synced Oct 14, 2026, 3:21 AM EDT
Completed Not applicable Interventional Results available

Patent Foramen Ovale Closure or Medical Therapy After Stroke - RESPECT Trial

NCT00465270
View directory record Official record
Conditions
Cryptogenic Stroke
Interventions
AMPLATZER PFO Occluder, Standard of Care - Medical Management
Device · Other
Lead sponsor
Abbott Medical Devices
Industry
Eligibility
18 Years to 60 Years
Enrollment
980 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2016
U.S. locations
61
States / cities
Birmingham, Alabama • Scottsdale, Arizona • Los Angeles, California + 52 more
Source: ClinicalTrials.gov public record
Updated Feb 18, 2019 · Synced Oct 14, 2026, 3:21 AM EDT