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ClinicalTrials.gov public records Last synced Sep 30, 2026, 10:20 AM EDT

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Showing 25–48 of 83 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: 81mg aspirin Clear all
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 3, 2017 · Synced Sep 30, 2026, 10:20 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 Sep 30, 2026, 10:20 AM EDT
Recruiting Phase 2 Interventional Accepts healthy volunteers

Postpartum Low-Dose Aspirin and Preeclampsia

NCT03667326
View directory record Official record
Conditions
Preeclampsia Postpartum
Interventions
Aspirin tablet, Placebo oral capsule
Drug
Lead sponsor
Columbia University
Other
Eligibility
18 Years and older · Female only
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2026
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jan 22, 2026 · Synced Sep 30, 2026, 10:20 AM EDT
Terminated Not applicable Interventional Accepts healthy volunteers Results available

Early Prevention of Preeclampsia Study

NCT01547390
View directory record Official record
Conditions
Preeclampsia
Interventions
Aspirin, placebo
Drug
Lead sponsor
Washington University School of Medicine
Other
Eligibility
Female only
Enrollment
104 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2015
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Jun 29, 2018 · Synced Sep 30, 2026, 10:20 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 Sep 30, 2026, 10:20 AM EDT
Recruiting Phase 3 Interventional

APPLE: Aspirin to Prevent Pregnancy Loss and Preeclampsia

NCT06408181
View directory record Official record
Conditions
Pre-Eclampsia, Pregnancy Loss
Interventions
Aspirin 162 mg, Aspirin 81mg
Drug
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
1,150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2029
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Sep 10, 2026 · Synced Sep 30, 2026, 10:20 AM 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 24, 2024 · Synced Sep 30, 2026, 10:20 AM 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 18, 2026 · Synced Sep 30, 2026, 10:20 AM EDT
No Longer Available No phase listed Expanded access

B-Lymphocyte Immunotherapy in Islet Transplantation for Initial Islet Graft Failure

NCT01049633
View directory record Official record
Conditions
Type 1 Diabetes Mellitus
Interventions
Allogeneic Pancreatic Islet Cells, Sirolimus, Basiliximab, Tacrolimus, Antibacterial, Antifungal, and Antiviral Prophylaxis, Trimethoprim/sulfamethoxazole, Clotrimazole, Valganciclovir, Heparin, Enoxaparin, Pentoxifylline, Aspirin
Biological · Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
Not listed
Healthy volunteers
Healthy volunteers not accepted
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jun 11, 2014 · Synced Sep 30, 2026, 10:20 AM EDT
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 4, 2025 · Synced Sep 30, 2026, 10:20 AM EDT
Not listed Not applicable Interventional

Prospective Study Investigating Aspirin and Intraoperative Blood Loss and Complications Following Inguinal Hernia Repair

NCT02084615
View directory record Official record
Conditions
Hernia, Inguinal, Postoperative Complications, Postoperative Hemorrhage
Interventions
Aspirin
Drug
Lead sponsor
Jesse Brown VA Medical Center
Federal
Eligibility
18 Years and older · Male only
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2017
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jun 18, 2015 · Synced Sep 30, 2026, 10:20 AM 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 9, 2017 · Synced Sep 30, 2026, 10:20 AM EDT
Active, not recruiting Phase 4 Interventional Accepts healthy volunteers

Low Dose Aspirin for Preterm Preeclampsia Preventionmg/day Dose in High-risk Patients

NCT05514847
View directory record Official record
Conditions
Preeclampsia, Pregnancy Related
Interventions
Aspirin 81Mg Ec Tab, Aspirin 162Mg Ec Tab
Drug
Lead sponsor
University of Virginia
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
150 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2025
U.S. locations
1
States / cities
Charlottesville, Virginia
Source: ClinicalTrials.gov public record
Updated Jan 15, 2025 · Synced Sep 30, 2026, 10:20 AM EDT
Active, not recruiting Phase 3 Interventional

Comparison of Anti-coagulation and Anti-Platelet Therapies for Intracranial Vascular Atherostenosis

NCT05047172
View directory record Official record
Conditions
Intracranial Arteriosclerosis, Stroke
Interventions
Ticagrelor + Aspirin, Rivaroxaban + Aspirin, Clopidogrel + Aspirin, Risk Factor Management
Drug · Other
Lead sponsor
University of Florida
Other
Eligibility
30 Years and older
Enrollment
1,683 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2027
U.S. locations
114
States / cities
Birmingham, Alabama • Mobile, Alabama • Phoenix, Arizona + 89 more
Source: ClinicalTrials.gov public record
Updated Sep 25, 2026 · Synced Sep 30, 2026, 10:20 AM EDT
Recruiting Phase 4 Interventional

Effectiveness of Two Aspirin Doses for Prevention of Hypertensive Disorders of Pregnancy: ASPIRIN TRIAL

NCT06468202
View directory record Official record
Conditions
Hypertensive Disorders of Pregnancy, Preeclampsia, Gestational Hypertension
Interventions
Aspirin 81 mg, Aspirin 162 mg
Drug
Lead sponsor
Ohio State University
Other
Eligibility
14 Years to 35 Years · Female only
Enrollment
10,742 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2030
U.S. locations
16
States / cities
Birmingham, Alabama • Los Angeles, California • San Francisco, California + 13 more
Source: ClinicalTrials.gov public record
Updated May 4, 2026 · Synced Sep 30, 2026, 10:20 AM EDT
Completed Phase 3 Interventional Results available

A Different Approach to Preventing Thrombosis

NCT02774265
View directory record Official record
Conditions
Venous Thromboembolism, Pulmonary Embolism
Interventions
VTE prophylaxis with Enoxaparin 30mg BID, VTE prophylaxis with Aspirin 81mg BID
Drug
Lead sponsor
University of Maryland, Baltimore
Other
Eligibility
18 Years and older
Enrollment
329 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2017
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jan 5, 2022 · Synced Sep 30, 2026, 10:20 AM 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 14, 2022 · Synced Sep 30, 2026, 10:20 AM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers

Asprin Dosing Estimator in Healthy Adults

NCT04040465
View directory record Official record
Conditions
Aspirin Sensitivity
Interventions
Aspirin
Drug
Lead sponsor
University of Utah
Other
Eligibility
18 Years to 55 Years
Enrollment
57 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Mar 11, 2022 · Synced Sep 30, 2026, 10:20 AM EDT
Completed Phase 4 Interventional Results available

Switching From DAPT to Dual Pathway Inhibition With Low-dose Rivaroxaban in Adjunct to Aspirin in Patients With Coronary Artery Disease

NCT04006288
View directory record Official record
Conditions
Coronary Artery Disease
Interventions
Clopidogrel, Prasugrel, ticagrelor, aspirin, rivaroxaban
Drug
Lead sponsor
University of Florida
Other
Eligibility
18 Years and older
Enrollment
90 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2022
U.S. locations
1
States / cities
Jacksonville, Florida
Source: ClinicalTrials.gov public record
Updated Apr 26, 2023 · Synced Sep 30, 2026, 10:20 AM 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 18, 2022 · Synced Sep 30, 2026, 10:20 AM 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 17, 2017 · Synced Sep 30, 2026, 10:20 AM EDT
Not listed Phase 4 Interventional

Aspirin for the Prevention of Preeclampsia in Women With Stage 1 Hypertension

NCT04908982
View directory record Official record
Conditions
Pre-Eclampsia
Interventions
Aspirin 81mg
Drug
Lead sponsor
Eastern Virginia Medical School
Other
Eligibility
18 Years to 50 Years · Female only
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
1
States / cities
Norfolk, Virginia
Source: ClinicalTrials.gov public record
Updated Jun 28, 2021 · Synced Sep 30, 2026, 10:20 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 Sep 30, 2026, 10:20 AM EDT
Terminated Phase 4 Interventional Results available

NSAIDs vs. Coxibs in the Presence of Aspirin

NCT03699293
View directory record Official record
Conditions
Rheumatoid Arthritis, Cardiovascular Diseases
Interventions
celecoxib 200mg capsule, naproxen sodium 550mg tablet, Aspirin 81mg tablet
Drug
Lead sponsor
Platelet and Thrombosis Research, LLC
Other
Eligibility
18 Years to 75 Years
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2023
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated May 14, 2026 · Synced Sep 30, 2026, 10:20 AM EDT