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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Aspirin tablet Clear all
Enrolling by invitation Early Phase 1 Interventional Accepts healthy volunteers

Pathways of Eicosanoid Metabolism

NCT04464070
View directory record Official record
Conditions
Metabolism of Prostaglandin D2
Interventions
niacin, aspirin, PGD2
Dietary Supplement · Drug · Other
Lead sponsor
Vanderbilt University
Other
Eligibility
18 Years to 65 Years
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2027
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Jun 4, 2026 · Synced Sep 28, 2026, 11:20 PM EDT
Withdrawn No phase listed Observational

Registry Study to Evaluate the Performance and Safety of Roxwood Medical Catheters in Arteries of Participants With a Stenotic Lesion or Chronic Total Occlusion (CTO)

NCT04059536
View directory record Official record
Conditions
Chronic Total Occlusion, Atherosclerosis, Coronary Artery Disease, Peripheral Artery Disease
Interventions
Roxwood Anchoring Catheters, Acetylsalicylic Acid, Heparin
Device · Drug
Lead sponsor
Boston Scientific Corporation
Industry
Eligibility
25 Years to 80 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2020
U.S. locations
11
States / cities
Phoenix, Arizona • Gainesville, Florida • Hobart, Indiana + 8 more
Source: ClinicalTrials.gov public record
Updated Jul 20, 2021 · Synced Sep 28, 2026, 11:20 PM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers

Impact of COX2 on Sera Biomarkers From Obese Subjects

NCT02062255
View directory record Official record
Conditions
Breast Cancer Survivors
Interventions
Aspirin, Omega 3 FFA
Drug · Dietary Supplement
Lead sponsor
The University of Texas Health Science Center at San Antonio
Other
Eligibility
18 Years and older · Female only
Enrollment
126 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2016
U.S. locations
1
States / cities
San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Oct 25, 2016 · Synced Sep 28, 2026, 11:20 PM 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 18, 2016 · Synced Sep 28, 2026, 11:20 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Study to Evaluate the Interaction Between Aspirin and Nexium

NCT01199328
View directory record Official record
Conditions
Healthy Volunteers
Interventions
Aspirin, Esomeprazole
Drug
Lead sponsor
AstraZeneca
Industry
Eligibility
18 Years to 75 Years
Enrollment
34 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010
U.S. locations
1
States / cities
Springfield, Missouri
Source: ClinicalTrials.gov public record
Updated Nov 18, 2010 · Synced Sep 28, 2026, 11:20 PM EDT
Completed Phase 4 Interventional Results available

The Influence of Smoking Status on Prasugrel and Clopidogrel Treated Subjects Taking Aspirin and Having Stable Coronary Artery Disease

NCT01260584
View directory record Official record
Conditions
Coronary Artery Disease
Interventions
Prasugrel, Clopidogrel
Drug
Lead sponsor
Daiichi Sankyo
Industry
Eligibility
18 Years to 74 Years
Enrollment
110 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2011
U.S. locations
3
States / cities
Baltimore, Maryland • Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Jan 8, 2019 · Synced Sep 28, 2026, 11:20 PM EDT
Terminated Phase 3 Interventional

Chemoprevention of Colorectal Adenomas

NCT00486512
View directory record Official record
Conditions
Adenomatous Polyps
Interventions
0.5 mg calcitriol (1a -25-dihydroxycholecalciferol), 75 mg acetylsalicylic acid (ASA) + 1250 mg calcium carbonate (CaCO3), placebo to 0.5 mg calcitriol (1a -25-dihydroxycholecalciferol), placebo to 75 mg acetylsalicylic acid (ASA) + 1250 mg calcium carbonate (CaCO3), Colonoscopy
Drug · Procedure
Lead sponsor
Colotech A/S
Industry
Eligibility
40 Years to 75 Years
Enrollment
350 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2010
U.S. locations
24
States / cities
Huntsville, Alabama • San Diego, California • Clearwater, Florida + 20 more
Source: ClinicalTrials.gov public record
Updated Sep 2, 2020 · Synced Sep 28, 2026, 11:20 PM 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 16, 2016 · Synced Sep 28, 2026, 11:20 PM EDT
Terminated Phase 1 Interventional

Study to Compare the Pharmacokinetics and Pharmacodynamics of ASA Powder for Oral Inhalation With Non-enteric-coated Chewable Aspirin in Adult Subjects With Obstructive or Restrictive Pulmonary Function

NCT05625347
View directory record Official record
Conditions
Obstructive Pulmonary Function, Restrictive Pulmonary Function
Interventions
single dose (100 mg) of ASA, single dose (162 mg) of non-enteric-coated chewable aspirin tablets
Drug
Lead sponsor
Vectura, Inc.
Industry
Eligibility
40 Years and older
Enrollment
4 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023
U.S. locations
4
States / cities
Orlando, Florida • Winter Park, Florida • Baltimore, Maryland + 1 more
Source: ClinicalTrials.gov public record
Updated Mar 21, 2024 · Synced Sep 28, 2026, 11:20 PM 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 12, 2021 · Synced Sep 28, 2026, 11:20 PM 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 11, 2018 · Synced Sep 28, 2026, 11:20 PM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers

Atorvastatin ± Aspirin in Lynch Syndrome Syndrome

NCT04379999
View directory record Official record
Conditions
Lynch Syndrome
Interventions
Atorvastatin 20mg, Atorvastatin 20mg AND Aspirin 325 mg
Drug
Lead sponsor
Fox Chase Cancer Center
Other
Eligibility
18 Years to 75 Years
Enrollment
43 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2025
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Aug 6, 2025 · Synced Sep 28, 2026, 11:20 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers

Effects of Psyllium on Niacin Tolerability

NCT03370848
View directory record Official record
Conditions
Flushing, Hyperlipidemias, Dyslipidemias
Interventions
Psyllium, Aspirin
Dietary Supplement · Drug
Lead sponsor
VA Greater Los Angeles Healthcare System
Federal
Eligibility
18 Years and older
Enrollment
26 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2011
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Dec 11, 2017 · Synced Sep 28, 2026, 11:20 PM 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 27, 2018 · Synced Sep 28, 2026, 11:20 PM 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 17, 2016 · Synced Sep 28, 2026, 11:20 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

A Study to Evaluate Safety and PK of Multiple Doses of LT3001 Drug Product and Drug-drug Interaction in Healthy Subjects

NCT04809818
View directory record Official record
Conditions
Acute Ischemic Stroke
Interventions
LT3001 drug product, Placebo, Aspirin, Clopidogrel, Apixaban, Dabigatran
Drug
Lead sponsor
Lumosa Therapeutics Co., Ltd.
Industry
Eligibility
18 Years to 65 Years
Enrollment
65 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021
U.S. locations
1
States / cities
Cypress, California
Source: ClinicalTrials.gov public record
Updated Mar 1, 2026 · Synced Sep 28, 2026, 11:20 PM EDT
Terminated Not applicable Interventional Results available

Dipyridamole Assessment for Flare Reduction in Systemic Lupus Erythematosus (SLE)

NCT01781611
View directory record Official record
Conditions
Systemic Lupus Erythematosus
Interventions
extended release dipyridamole 200mg/aspirin 25mg, 81mg aspirin
Drug
Lead sponsor
Oklahoma Medical Research Foundation
Other
Eligibility
18 Years to 70 Years
Enrollment
18 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2017
U.S. locations
1
States / cities
Oklahoma City, Oklahoma
Source: ClinicalTrials.gov public record
Updated Nov 24, 2020 · Synced Sep 28, 2026, 11:20 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

The Effect of Multiple Doses of Epanova® on the Multiple-Dose Pharmacokinetics of Simvastatin in Healthy Normal Subjects

NCT01486433
View directory record Official record
Conditions
Hypertriglyceridemia
Interventions
Simvastatin, acetylsalicylic acid (ASA), omefas
Drug
Lead sponsor
AstraZeneca
Industry
Eligibility
18 Years to 55 Years
Enrollment
52 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2012
U.S. locations
1
States / cities
Tempe, Arizona
Source: ClinicalTrials.gov public record
Updated Apr 29, 2015 · Synced Sep 28, 2026, 11:20 PM EDT
Completed Early Phase 1 Interventional

A Trial of Omeprazole and Low Dose Aspirin to Identify Colorectal Biomarkers of Preventive Efficacy

NCT06378398
View directory record Official record
Conditions
Colorectal Neoplasia
Interventions
Omeprazole, Aspirin
Drug
Lead sponsor
University of Michigan Rogel Cancer Center
Other
Eligibility
18 Years to 75 Years
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
2
States / cities
Ann Arbor, Michigan • Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Mar 12, 2026 · Synced Sep 28, 2026, 11:20 PM EDT
Recruiting Phase 3 Interventional Accepts healthy volunteers

Aspirin Dose Escalation for the Prevention of Recurrent Preterm Delivery Trial

NCT06980025
View directory record Official record
Conditions
Preterm Delivery, Obstetrical Complications
Interventions
162mg Aspirin, 81mg Aspirin
Drug
Lead sponsor
The George Washington University Biostatistics Center
Other
Eligibility
14 Years and older · Female only
Enrollment
1,800 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2029
U.S. locations
14
States / cities
Birmingham, Alabama • San Francisco, California • Chicago, Illinois + 10 more
Source: ClinicalTrials.gov public record
Updated Apr 8, 2026 · Synced Sep 28, 2026, 11:20 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Study Assessing Inhibition of Serum Thromboxane B2 Levels With PN400 and Low Dose Aspirin

NCT01094483
View directory record Official record
Conditions
Platelet Inhibition
Interventions
PN400, ASA, Placebo
Drug
Lead sponsor
AstraZeneca
Industry
Eligibility
50 Years to 75 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010
U.S. locations
1
States / cities
Overland Park, Kansas
Source: ClinicalTrials.gov public record
Updated Dec 6, 2010 · Synced Sep 28, 2026, 11:20 PM EDT
Completed Early Phase 1 Interventional

The Effect of Aspirin on Angiogenesis Proteins in Women on Tamoxifen Therapy

NCT00727948
View directory record Official record
Conditions
Breast Cancer, Angiogenesis
Interventions
Aspirin
Drug
Lead sponsor
University of Vermont
Other
Eligibility
18 Years to 95 Years · Female only
Enrollment
11 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2012
U.S. locations
1
States / cities
Burlington, Vermont
Source: ClinicalTrials.gov public record
Updated Sep 16, 2020 · Synced Sep 28, 2026, 11:20 PM EDT
Completed Phase 3 Interventional

Evaluate the Time of Pain Relief of Fast Acting Aspirin Versus Acetaminophen in Subjects Diagnosed With Sore Throat Pain

NCT01453400
View directory record Official record
Conditions
Pharyngitis
Interventions
Acetylsalicylic Acid (Aspirin, BAY1019036) + placebo, Acetaminophen + placebo, Placebo
Drug
Lead sponsor
Bayer
Industry
Eligibility
18 Years and older
Enrollment
177 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2012
U.S. locations
1
States / cities
Storrs, Connecticut
Source: ClinicalTrials.gov public record
Updated Dec 6, 2018 · Synced Sep 28, 2026, 11:20 PM EDT
Withdrawn Phase 2 Interventional Accepts healthy volunteers

Acamprosate and Methazolamide for Essential Tremor

NCT06312800
View directory record Official record
Conditions
Essential Tremor
Interventions
Acamprosate, Placebo, Methazolamide
Drug
Lead sponsor
Henry Ford Health System
Other
Eligibility
18 Years to 70 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2017
U.S. locations
1
States / cities
West Bloomfield, Michigan
Source: ClinicalTrials.gov public record
Updated Sep 24, 2024 · Synced Sep 28, 2026, 11:20 PM EDT