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Showing 1–24 of 83 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Aspirin 81mg Clear all
Active, not recruiting Early Phase 1 Interventional Accepts healthy volunteers

Sleep and Inflammatory Resolution Pathway

NCT03377543
View directory record Official record
Conditions
Inflammatory Response, Inflammation, Sleep, Sleep Restriction
Interventions
Aspirin, Placebo
Drug
Lead sponsor
Beth Israel Deaconess Medical Center
Other
Eligibility
18 Years to 65 Years
Enrollment
66 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2025
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Mar 23, 2025 · Synced Sep 10, 2026, 4:40 PM EDT
Completed Phase 3 Interventional Results available

Comparative Efficacy of Ticagrelor Versus Aspirin on Blood Viscosity in Peripheral Artery Disease Patients With Type 2 Diabetes

NCT02325466
View directory record Official record
Conditions
Peripheral Artery Disease, Type 2 Diabetes
Interventions
Aspirin, Ticagrelor, Aspirin Placebo, Ticagrelor Placebo
Drug
Lead sponsor
Icahn School of Medicine at Mount Sinai
Other
Eligibility
18 Years and older
Enrollment
70 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2018
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Mar 20, 2022 · Synced Sep 10, 2026, 4:40 PM EDT
Not listed Phase 4 Interventional

Synergistic Influence of Rivaroxaban on Inflammation and Coagulation Biomarkers in Patients With CAD and PAD on Aspirin Therapy

NCT04059679
View directory record Official record
Conditions
Coronary Artery Disease, Peripheral Artery Disease
Interventions
Rivaroxaban 2.5 Mg Oral Tablet, Aspirin 81 mg
Drug
Lead sponsor
LifeBridge Health
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Oct 13, 2020 · Synced Sep 10, 2026, 4:40 PM EDT
Completed Phase 1Phase 2 Interventional

Antenatal Platelet Response on Aspirin: a Pharmacokinetic Study Through Pregnancy

NCT04645004
View directory record Official record
Conditions
Preeclampsia
Interventions
Aspirin 81Mg Non-enteric coated Tab
Drug
Lead sponsor
Thomas Jefferson University
Other
Eligibility
13 Years to 55 Years · Female only
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2024
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Apr 17, 2024 · Synced Sep 10, 2026, 4:40 PM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers

The Accuracy Of A Novel Platelet Activity Assay In Humans On Antiplatelet Agents: Pharmacodynamics And Comparison With Light Transmission Aggregometry

NCT04822363
View directory record Official record
Conditions
Platelet Activation Testing Before/After Anti-platelet Therapy, Healthy
Interventions
Aspirin, Clopidogrel
Drug
Lead sponsor
Beth Israel Deaconess Medical Center
Other
Eligibility
18 Years and older
Enrollment
112 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2025
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jan 21, 2026 · Synced Sep 10, 2026, 4:40 PM 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 22, 2008 · Synced Sep 10, 2026, 4:40 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Effects of Pioglitazone on Platelet Function

NCT00861341
View directory record Official record
Conditions
Diabetes, Platelet Function, Healthy
Interventions
Aspirin, Pioglitazone
Drug
Lead sponsor
University of Rochester
Other
Eligibility
21 Years and older
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2011
U.S. locations
1
States / cities
Rochester, New York
Source: ClinicalTrials.gov public record
Updated Feb 2, 2016 · Synced Sep 10, 2026, 4:40 PM EDT
Recruiting Phase 4 Interventional

Stroke Rate in Patients With Blunt Cerebrovascular Injury (BCVI) Treated With Oral Acetylsalicylic Acid (ASA) 81 mg Versus ASA 325 mg (BASA).

NCT05868525
View directory record Official record
Conditions
Blunt Cerebrovascular Injury
Interventions
Aspirin 325Mg Tab, Aspirin 81Mg Tab
Drug
Lead sponsor
Loma Linda University
Other
Eligibility
18 Years and older
Enrollment
98 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
1
States / cities
Loma Linda, California
Source: ClinicalTrials.gov public record
Updated Jan 29, 2026 · Synced Sep 10, 2026, 4:40 PM EDT
Completed Phase 4 Interventional Results available

Pharmacogenomics of Antiplatelet Response

NCT02234427
View directory record Official record
Conditions
Atherosclerosis
Interventions
Aspirin
Drug
Lead sponsor
Johns Hopkins University
Other
Eligibility
45 Years to 75 Years
Enrollment
34 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jan 8, 2017 · Synced Sep 10, 2026, 4:40 PM EDT
Terminated Not applicable Interventional Results available

Oral Progesterone and Low Dose Aspirin in the Prevention of Preeclampsia

NCT00719537
View directory record Official record
Conditions
Preeclampsia
Interventions
Aspirin, Placebo Oral Tablet, Progesterone
Drug
Lead sponsor
John Uckele
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2011
U.S. locations
1
States / cities
Royal Oak, Michigan
Source: ClinicalTrials.gov public record
Updated Apr 16, 2017 · Synced Sep 10, 2026, 4:40 PM 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 4, 2026 · Synced Sep 10, 2026, 4:40 PM EDT
Completed Phase 1Phase 2 Interventional Results available

Aspirin for the Treatment of Nonalcoholic Fatty Liver Disease

NCT04031729
View directory record Official record
Conditions
Nonalcoholic Fatty Liver, Nonalcoholic Steatohepatitis
Interventions
Aspirin 81 mg, Placebo oral tablet
Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 70 Years
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2023
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated May 23, 2024 · Synced Sep 10, 2026, 4:40 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

The Effects of Aspirin in Gestation and Reproduction

NCT00467363
View directory record Official record
Conditions
Birth, Spontaneous Abortion
Interventions
acetylsalicylic-acid (aspirin), Folic acid
Drug · Dietary Supplement
Lead sponsor
Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)
NIH
Eligibility
18 Years to 40 Years · Female only
Enrollment
1,228 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2012
U.S. locations
4
States / cities
Denver, Colorado • Buffalo, New York • Scranton, Pennsylvania + 1 more
Source: ClinicalTrials.gov public record
Updated Feb 2, 2017 · Synced Sep 10, 2026, 4:40 PM EDT
Not listed Phase 3 Interventional Accepts healthy volunteers

Effect of Postoperative Ketorolac on Bone Healing After Joint Fusion

NCT04872283
View directory record Official record
Conditions
Ketorolac, Joint Fusion
Interventions
great toe (1st metatarsophalangeal joint) fusion, IV Ketorolac, Ketorolac Pill, 5/325mg Oxycodone-Acetaminophen, Aspirin 81Mg Ec Tab
Procedure · Drug
Lead sponsor
Rothman Institute Orthopaedics
Other
Eligibility
18 Years and older
Enrollment
140 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2021
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated May 3, 2021 · Synced Sep 10, 2026, 4:40 PM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers

GM03 - Platelet RNA Signatures of Aspirin

NCT05278637
View directory record Official record
Conditions
Platelet Aggregation Inhibitors, Aspirin, Ticagrelor, RNA
Interventions
Aspirin, Ticagrelor
Drug
Lead sponsor
Duke University
Other
Eligibility
30 Years to 75 Years
Enrollment
135 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2016
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Mar 13, 2022 · Synced Sep 10, 2026, 4:40 PM EDT
Recruiting Not applicable Interventional

Pharmacogenomics in Stroke: Feasibility of CYP2C19 Testing

NCT06943586
View directory record Official record
Conditions
Stroke, Transient Ischemic Attack (TIA)
Interventions
CYP2C19 Genotype Guided DAPT (dual antiplatelet therapy)
Genetic
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
18 Years to 89 Years
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2029
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Apr 22, 2026 · Synced Sep 10, 2026, 4:40 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 10, 2026, 4:40 PM EDT
Recruiting Early Phase 1 Interventional

Aspirin Dosing in Pregnancy

NCT07525635
View directory record Official record
Conditions
Preeclampsia Possible
Interventions
Aspirin
Drug
Lead sponsor
NYU Langone Health
Other
Eligibility
18 Years to 50 Years · Female only
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated May 17, 2026 · Synced Sep 10, 2026, 4:40 PM 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 5, 2012 · Synced Sep 10, 2026, 4:40 PM EDT
Completed Phase 4 Interventional Results available

Prevention of Non-Surgical Bleeding by Management of HeartMate II Patients Without Antiplatelet Therapy

NCT02836652
View directory record Official record
Conditions
Heart Failure
Interventions
HeartMate II (HMII), Warfarin, acetylsalicylic acid (ASA) therapy
Device · Drug
Lead sponsor
Abbott Medical Devices
Industry
Eligibility
50 Years and older
Enrollment
72 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2019
U.S. locations
33
States / cities
Birmingham, Alabama • Los Angeles, California • San Diego, California + 29 more
Source: ClinicalTrials.gov public record
Updated Jun 26, 2022 · Synced Sep 10, 2026, 4:40 PM 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 16, 2025 · Synced Sep 10, 2026, 4:40 PM EDT
Completed Phase 3 Interventional Results available

Low Doses of Aspirin in the Prevention of Preeclampsia

NCT04070573
View directory record Official record
Conditions
Preeclampsia
Interventions
acetylsalicylic acid
Drug
Lead sponsor
Weill Medical College of Cornell University
Other
Eligibility
18 Years to 60 Years · Female only
Enrollment
400 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2025
U.S. locations
2
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Mar 12, 2025 · Synced Sep 10, 2026, 4:40 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers

Metabolomic and Inflammatory Effects of Oral Aspirin (ASA) in Subjects at Risk for Melanoma

NCT04062032
View directory record Official record
Conditions
Melanoma (Skin)
Interventions
Aspirin 81 mg, Aspirin 325mg
Drug
Lead sponsor
University of Utah
Other
Eligibility
18 Years and older
Enrollment
41 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2019
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Feb 17, 2022 · Synced Sep 10, 2026, 4:40 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 10, 2026, 4:40 PM EDT