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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Aspirin Prophylaxis Clear all
Not listed Phase 4 Interventional Accepts healthy volunteers

162 mg of Aspirin for Prevention of Preeclampsia

NCT05221164
View directory record Official record
Conditions
Preeclampsia
Interventions
Aspirin 162 mg
Drug
Lead sponsor
Methodist Medical Center of Illinois
Other
Eligibility
Female only
Enrollment
200 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Peoria, Illinois
Source: ClinicalTrials.gov public record
Updated Feb 1, 2022 · Synced Jul 23, 2026, 5:01 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Aspirin Dose and Atherosclerosis in Patients With Heart Disease

NCT00272337
View directory record Official record
Conditions
Cardiovascular Diseases, Atherosclerosis, Myocardial Infarction
Interventions
Aspirin
Drug
Lead sponsor
Florida Atlantic University
Other
Eligibility
40 Years to 80 Years
Enrollment
37 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2009
U.S. locations
2
States / cities
Atlantis, Florida • Tamarac, Florida
Source: ClinicalTrials.gov public record
Updated Dec 27, 2018 · Synced Jul 23, 2026, 5:01 PM EDT
Completed Phase 2Phase 3 Interventional Accepts healthy volunteers

Aspirin/Folate Prevention of Large Bowel Polyps

NCT00272324
View directory record Official record
Conditions
Colorectal Cancer, Polyps, Adenomas
Interventions
Aspirin, Folate
Drug
Lead sponsor
Dartmouth-Hitchcock Medical Center
Other
Eligibility
21 Years to 80 Years
Enrollment
1,121 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
1992 – 2007
U.S. locations
8
States / cities
Los Angeles, California • Denver, Colorado • Iowa City, Iowa + 5 more
Source: ClinicalTrials.gov public record
Updated Mar 12, 2020 · Synced Jul 23, 2026, 5:01 PM EDT
Terminated Phase 4 Interventional Results available

The Effect of Two Aspirin Dosing Strategies for Obese Women at High Risk for Preeclampsia

NCT03735433
View directory record Official record
Conditions
Preeclampsia
Interventions
162mg aspirin dose
Drug
Lead sponsor
Ohio State University
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
152 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2024
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Apr 28, 2024 · Synced Jul 23, 2026, 5:01 PM EDT
Enrolling by invitation Not applicable Interventional Accepts healthy volunteers

Improving Prenatal Care to Reduce Early Onset Preeclampsia in Low-Income

NCT07491510
View directory record Official record
Conditions
Monitoring Blood Pressure, Aspirin Prophylaxis
Interventions
Active Comparator: Behavioral: Experimental: Centering HER (routine prenatal care + 7 doula-led 90-minute virtual group
Behavioral
Lead sponsor
University of Kansas Medical Center
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
36 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026
U.S. locations
1
States / cities
Kansas City, Kansas
Source: ClinicalTrials.gov public record
Updated Jul 6, 2026 · Synced Jul 23, 2026, 5:01 PM EDT
Completed Phase 2Phase 3 Interventional Results available

Effectiveness of Higher Aspirin Dosing for Prevention of Preeclampsia in High Risk Obese Gravida

NCT03961360
View directory record Official record
Conditions
Pre-Eclampsia, Hypertension in Pregnancy, Obesity
Interventions
Aspirin 81 mg, Aspirin 162 mg
Drug
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
220 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2023
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated May 7, 2024 · Synced Jul 23, 2026, 5:01 PM EDT
Recruiting Early Phase 1 Interventional Accepts healthy volunteers

Predictors of Aspirin Failure in Preeclampsia Prevention

NCT05709483
View directory record Official record
Conditions
Preeclampsia
Interventions
Aspirin
Drug
Lead sponsor
Rockefeller University
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
130 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2026
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Oct 29, 2025 · Synced Jul 23, 2026, 5:01 PM EDT
Terminated Phase 4 Interventional Results available

Aspirin and Enoxaparin for VTE in Trauma

NCT02396732
View directory record Official record
Conditions
Venous Thromboembolism, Thromboprophylaxis, Trauma
Interventions
Aspirin, Enoxaparin
Drug
Lead sponsor
University of Miami
Other
Eligibility
18 Years and older
Enrollment
31 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Nov 18, 2019 · Synced Jul 23, 2026, 5:01 PM EDT
Terminated Phase 3 Interventional Results available

AtRial Cardiopathy and Antithrombotic Drugs In Prevention After Cryptogenic Stroke

NCT03192215
View directory record Official record
Conditions
Stroke
Interventions
Apixaban, Aspirin
Drug
Lead sponsor
Columbia University
Other
Eligibility
45 Years and older
Enrollment
1,015 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2023
U.S. locations
165
States / cities
Birmingham, Alabama • Mobile, Alabama • Chandler, Arizona + 111 more
Source: ClinicalTrials.gov public record
Updated Apr 8, 2025 · Synced Jul 23, 2026, 5:01 PM 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 27, 2021 · Synced Jul 23, 2026, 5:01 PM EDT
Completed Phase 4 Interventional Results available

Aspirin for Prevention of Venous Thromboembolism Among Ovarian Cancer Patients Receiving Neoadjuvant Chemotherapy

NCT04352439
View directory record Official record
Conditions
Venous Thromboembolism, Ovarian Cancer
Interventions
Aspirin
Drug
Lead sponsor
Duke University
Other
Eligibility
18 Years and older · Female only
Enrollment
19 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
2
States / cities
Sarasota, Florida • Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Sep 25, 2022 · Synced Jul 23, 2026, 5:01 PM 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 28, 2018 · Synced Jul 23, 2026, 5:01 PM EDT
Terminated Phase 2 Interventional Results available

Aspirin Prophylaxis for Venous Thromboembolism in Glioblastoma

NCT00790452
View directory record Official record
Conditions
Glioblastoma
Interventions
Aspirin, Placebo
Drug
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2009
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Dec 7, 2011 · Synced Jul 23, 2026, 5:01 PM EDT
Terminated Phase 3 Interventional

Atrial Fibrillation Clopidogrel Trial With Irbesartan for Prevention of Vascular Events (ACTIVE W)

NCT00243178
View directory record Official record
Conditions
Atrial Fibrillation, Vascular Risk
Interventions
clopidogrel (SR25990C)
Drug
Lead sponsor
Sanofi
Industry
Eligibility
18 Years and older
Enrollment
6,706 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2005
U.S. locations
1
States / cities
Bridgewater, New Jersey
Source: ClinicalTrials.gov public record
Updated Oct 18, 2009 · Synced Jul 23, 2026, 5:01 PM 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 14, 2025 · Synced Jul 23, 2026, 5:01 PM EDT
Completed Phase 3 Interventional Results available

Atrial Fibrillation Clopidogrel Trial With Irbesartan for Prevention of Vascular Events (ACTIVE I)

NCT00249795
View directory record Official record
Conditions
Atrial Fibrillation, Cardiovascular Disease
Interventions
Irbesartan, placebo
Drug
Lead sponsor
Sanofi
Industry
Eligibility
18 Years and older
Enrollment
9,016 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2009
U.S. locations
1
States / cities
Bridgewater, New Jersey
Source: ClinicalTrials.gov public record
Updated Oct 14, 2010 · Synced Jul 23, 2026, 5:01 PM EDT
Terminated Phase 3 Interventional Results available

Rivaroxaban Versus Aspirin in Secondary Prevention of Stroke and Prevention of Systemic Embolism in Patients With Recent Embolic Stroke of Undetermined Source (ESUS)

NCT02313909
View directory record Official record
Conditions
Stroke
Interventions
Rivaroxaban (Xarelto, BAY59-7939), Acetylsalicylic acid (Aspirin, BAY1019036), Rivaroxaban-Placebo, Aspirin-Placebo
Drug · Other
Lead sponsor
Bayer
Industry
Eligibility
50 Years and older
Enrollment
7,213 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2018
U.S. locations
38
States / cities
Tucson, Arizona • Long Beach, California • Stanford, California + 32 more
Source: ClinicalTrials.gov public record
Updated Jan 8, 2019 · Synced Jul 23, 2026, 5:01 PM EDT
Completed Phase 3 Interventional Results available

Atrial Fibrillation Clopidogrel Trial With Irbesartan for Prevention of Vascular Events (ACTIVE A)

NCT00249873
View directory record Official record
Conditions
Atrial Fibrillation, Vascular Risk
Interventions
clopidogrel (SR25990C), placebo
Drug
Lead sponsor
Sanofi
Industry
Eligibility
18 Years and older
Enrollment
7,554 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2009
U.S. locations
1
States / cities
Bridgewater, New Jersey
Source: ClinicalTrials.gov public record
Updated Jun 14, 2015 · Synced Jul 23, 2026, 5:01 PM 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 3, 2026 · Synced Jul 23, 2026, 5:01 PM EDT
Terminated Early Phase 1 Interventional

Low-Dose Acetylsalicylic Acid in Treating Patients With Stage I-III Non-Small Cell Lung Cancer

NCT01707823
View directory record Official record
Conditions
Adenocarcinoma of the Lung, Recurrent Non-small Cell Lung Cancer, Stage IA Non-small Cell Lung Cancer, Stage IB Non-small Cell Lung Cancer, Stage IIA Non-small Cell Lung Cancer, Stage IIB Non-small Cell Lung Cancer, Stage IIIA Non-small Cell Lung Cancer, Stage IIIB Non-small Cell Lung Cancer
Interventions
acetylsalicylic acid, laboratory biomarker analysis
Drug · Other
Lead sponsor
Vanderbilt-Ingram Cancer Center
Other
Eligibility
18 Years and older
Enrollment
4 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2018
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Jan 13, 2020 · Synced Jul 23, 2026, 5:01 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Testing a Community Intervention to Increase Aspirin Use

NCT02607917
View directory record Official record
Conditions
Myocardial Infarction, Stroke
Interventions
Mass Media plus clinic intervention., Media
Other
Lead sponsor
University of Minnesota
Other
Eligibility
45 Years to 75 Years
Enrollment
10,800 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2020
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Apr 1, 2021 · Synced Jul 23, 2026, 5:01 PM EDT
Terminated Phase 2 Interventional

Comparison of Sulindac, Aspirin, and Ursodiol in Preventing Colorectal Cancer

NCT00062023
View directory record Official record
Conditions
Colorectal Cancer
Interventions
Acetylsalicylic acid (Aspirin), Sulindac, Ursodiol, Sulindac Placebo
Drug · Other
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
40 Years to 80 Years
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2006
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jul 29, 2012 · Synced Jul 23, 2026, 5:01 PM EDT
Enrolling by invitation Phase 4 Interventional

LMWH vs Aspirin for VTE Prophylaxis in Orthopaedic Oncology

NCT03244020
View directory record Official record
Conditions
Sarcoma, Soft Tissue Sarcoma, Bone Sarcoma, Bone Metastases, Venous Thromboembolism, Hematoma, Anticoagulant-induced Bleeding
Interventions
Aspirin 325mg, Enoxaparin 40Mg/0.4mL Prefilled Syringe
Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years and older
Enrollment
2,868 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2028
U.S. locations
10
States / cities
Los Angeles, California • Tampa, Florida • New Orleans, Louisiana + 5 more
Source: ClinicalTrials.gov public record
Updated Oct 2, 2025 · Synced Jul 23, 2026, 5:01 PM EDT
Completed Phase 3 Interventional

Secondary Prevention of Small Subcortical Strokes Trial

NCT00059306
View directory record Official record
Conditions
Cerebrovascular Accident, Hypertension
Interventions
aspirin, clopidogrel, Target of Blood Pressure, placebo
Drug · Other
Lead sponsor
University of British Columbia
Other
Eligibility
30 Years and older
Enrollment
3,020 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2012
U.S. locations
39
States / cities
Mobile, Alabama • Phoenix, Arizona • Scottsdale, Arizona + 32 more
Source: ClinicalTrials.gov public record
Updated Apr 3, 2013 · Synced Jul 23, 2026, 5:01 PM EDT