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Showing 1–24 of 272 matching trials from the live ClinicalTrials.gov search.
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Completed Not applicable Interventional

Platelet Function Analysis in Head Trauma: ASA/Plavix

NCT01534117
View directory record Official record
Conditions
Head Injury Trauma Blunt
Interventions
Platelets, DDAVP
Biological · Drug
Lead sponsor
Chang, Steve S., M.D.
Individual
Eligibility
18 Years and older
Enrollment
97 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2011
U.S. locations
1
States / cities
Santa Barbara, California
Source: ClinicalTrials.gov public record
Updated Feb 15, 2012 · Synced Sep 10, 2026, 8:15 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Drug Interaction Study of Clopidogrel and Rosuvastatin

NCT01469416
View directory record Official record
Conditions
Healthy
Interventions
Rosuvastatin, Clopidogrel
Drug
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years to 65 Years
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2013
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Jul 17, 2014 · Synced Sep 10, 2026, 8:15 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Chronic Kidney Disease (CKD) Platelet Study

NCT03649711
View directory record Official record
Conditions
Chronic Kidney Diseases, Heart Attack, Stroke, Ischemic
Interventions
Ticagrelor 90mg, Clopidogrel 75mg, Aspirin 81 mg
Drug
Lead sponsor
University of Arkansas
Other
Eligibility
18 Years to 91 Years
Enrollment
76 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2021
U.S. locations
2
States / cities
Little Rock, Arkansas
Source: ClinicalTrials.gov public record
Updated Dec 28, 2022 · Synced Sep 10, 2026, 8:15 PM EDT
Not listed Phase 2 Interventional

Wake up Symptomatic Stroke - Benefit of Intravenous Clot Busters or Endovascular Intervention

NCT01455935
View directory record Official record
Conditions
Stroke
Interventions
Anti-platelets and statin, alteplase, intra arterial intervention
Drug · Procedure
Lead sponsor
Jacobs Neurological Institute
Other
Eligibility
18 Years to 80 Years
Enrollment
90 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2014
U.S. locations
1
States / cities
Buffalo, New York
Source: ClinicalTrials.gov public record
Updated Mar 29, 2012 · Synced Sep 10, 2026, 8:15 PM EDT
Completed Phase 2 Interventional Results available

Aspirin Resistance and Percutaneous Coronary Intervention (PCI)

NCT01103440
View directory record Official record
Conditions
Stable Angina
Interventions
Intravenous Glycoprotein inhibitor + ASA, Clopidogrel, Antiplatelet Therapy (ASA, Clopidogrel)
Drug
Lead sponsor
Icahn School of Medicine at Mount Sinai
Other
Eligibility
18 Years and older
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2009
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Feb 13, 2018 · Synced Sep 10, 2026, 8:15 PM EDT
Completed Phase 4 Interventional Results available

EVOLVE Short DAPT Study

NCT02605447
View directory record Official record
Conditions
Coronary Artery Disease
Interventions
3 months of dual antiplatelet therapy (DAPT), SYNERGY Stent System
Drug · Device
Lead sponsor
Boston Scientific Corporation
Industry
Eligibility
18 Years and older
Enrollment
2,009 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2019
U.S. locations
89
States / cities
Phoenix, Arizona • Little Rock, Arkansas • Bakersfield, California + 75 more
Source: ClinicalTrials.gov public record
Updated Sep 24, 2020 · Synced Sep 10, 2026, 8:15 PM EDT
Completed No phase listed Observational Accepts healthy volunteers Results available

Aspirin and Clopidogrel Reactivity in Patients With Critical Limb Ischemia (CLI)

NCT02094755
View directory record Official record
Conditions
Critical Limb Ischemia
Interventions
Blood draw only
Other
Lead sponsor
University of Southern California
Other
Eligibility
18 Years to 80 Years
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2017
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Jun 27, 2019 · Synced Sep 10, 2026, 8:15 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers

Effects of Recombinant Human Erythropoietin on Platelet Function in Healthy Subjects

NCT00368238
View directory record Official record
Conditions
Healthy Subjects
Interventions
Recombinant human erythropoietin alfa (drug), Aspirin (drug), Clopidogrel (drug)
Drug
Lead sponsor
Yale University
Other
Eligibility
21 Years to 40 Years
Enrollment
96 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2006
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Aug 23, 2006 · Synced Sep 10, 2026, 8:15 PM EDT
Completed No phase listed Observational

Replication of the TRITON-TIMI Antiplatelet Trial in Healthcare Claims Data

NCT04237922
View directory record Official record
Conditions
Antiplatelet
Interventions
Prasugrel 10mg, Clopidogrel 75mg
Drug
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
18 Years to 120 Years
Enrollment
43,864 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jul 26, 2023 · Synced Sep 10, 2026, 8:15 PM EDT
Completed Phase 4 Interventional Results available

Drug-Eluting Stents vs. Bare Metal Stents In Saphenous Vein Graft Angioplasty

NCT01121224
View directory record Official record
Conditions
Saphenous Vein Graft Atherosclerosis
Interventions
Bare Metal Stent, Drug-Eluting Stent, Blinded clopidogrel, Placebo, Thienopyridine (open-label)
Device · Drug
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years and older
Enrollment
597 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2016
U.S. locations
25
States / cities
Tucson, Arizona • Little Rock, Arkansas • San Francisco, California + 22 more
Source: ClinicalTrials.gov public record
Updated Jul 25, 2022 · Synced Sep 10, 2026, 8:15 PM EDT
Completed Phase 3 Interventional Results available

Long Term Safety of Clopidogrel in Neonates/Infants With Systemic to Pulmonary Artery Shunt Palliation

NCT00833703
View directory record Official record
Conditions
Heart Defects, Congenital
Interventions
Clopidogrel, placebo
Drug
Lead sponsor
Sanofi
Industry
Eligibility
12 Months and older
Enrollment
49 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2010
U.S. locations
1
States / cities
Bridgewater, New Jersey
Source: ClinicalTrials.gov public record
Updated Aug 21, 2011 · Synced Sep 10, 2026, 8:15 PM EDT
Completed Not applicable Interventional

Gastrointestinal Ulceration in Patients on Dual Antiplatelet Therapy After Percutaneous Coronary Intervention

NCT00413309
View directory record Official record
Conditions
Acute Coronary Syndrome
Interventions
Video Capsule Endoscopy
Procedure
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2008
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Feb 3, 2009 · Synced Sep 10, 2026, 8:15 PM EDT
Completed Phase 3 Interventional Results available

A Comparison of Prasugrel and Clopidogrel in Acute Coronary Syndrome Subjects

NCT00699998
View directory record Official record
Conditions
Acute Coronary Syndrome
Interventions
Clopidogrel, Prasugrel, Commercially-available Aspirin
Drug
Lead sponsor
Eli Lilly and Company
Industry
Eligibility
18 Years and older
Enrollment
9,326 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2012
U.S. locations
165
States / cities
Birmingham, Alabama • Huntsville, Alabama • Glendale, Arizona + 162 more
Source: ClinicalTrials.gov public record
Updated May 6, 2013 · Synced Sep 10, 2026, 8:15 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 10, 2026, 8:15 PM EDT
Completed Phase 4 Interventional Results available

Impact of Chronic Kidney Disease on Clopidogrel Effects in Diabetes Mellitus

NCT03774394
View directory record Official record
Conditions
Chronic Kidney Disease (CKD), Type 2 Diabetes Mellitus (T2DM), Coronary Artery Disease (CAD)
Interventions
Clopidogrel, Clopidogrel active metabolite
Drug
Lead sponsor
University of Florida
Other
Eligibility
18 Years and older
Enrollment
61 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2022
U.S. locations
1
States / cities
Jacksonville, Florida
Source: ClinicalTrials.gov public record
Updated Aug 20, 2023 · Synced Sep 10, 2026, 8:15 PM 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 17, 2019 · Synced Sep 10, 2026, 8:15 PM EDT
Completed Phase 2 Interventional Results available

Cangrelor to Clopidogrel or Prasugrel Transition Study

NCT01979445
View directory record Official record
Conditions
Coronary Artery Disease (CAD)
Interventions
Cangrelor, Clopidogrel, Prasugrel
Drug
Lead sponsor
The Medicines Company
Industry
Eligibility
18 Years to 74 Years
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
1
States / cities
Burlington, Vermont
Source: ClinicalTrials.gov public record
Updated Feb 25, 2020 · Synced Sep 10, 2026, 8:15 PM EDT
Completed Phase 4 Interventional Results available

Tailoring P2Y12 Inhibiting Therapy in Patients Requiring Oral Anticoagulation After PCI

NCT04483583
View directory record Official record
Conditions
Coronary Artery Disease
Interventions
Ticagrelor 60mg, Clopidogrel
Drug
Lead sponsor
University of Florida
Other
Eligibility
18 Years and older
Enrollment
81 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2025
U.S. locations
1
States / cities
Jacksonville, Florida
Source: ClinicalTrials.gov public record
Updated Jul 30, 2025 · Synced Sep 10, 2026, 8:15 PM EDT
Completed Phase 3 Interventional

Warfarin and Antiplatelet Therapy in Chronic Heart Failure

NCT00007683
View directory record Official record
Conditions
Heart Failure
Interventions
Warfarin titrated to an INR of 2.5-3.0, Aspirin, Clopidogrel 75
Drug
Lead sponsor
US Department of Veterans Affairs
Federal
Eligibility
18 Years and older
Enrollment
1,587 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1998 – 2004
U.S. locations
79
States / cities
Birmingham, Alabama • Phoenix, Arizona • Tucson, Arizona + 76 more
Source: ClinicalTrials.gov public record
Updated Jun 15, 2011 · Synced Sep 10, 2026, 8:15 PM EDT
Not listed No phase listed Observational

Comparison of the VerifyNow® Aspirin Test and PRUTest® Platelet Reactivity Tests With Investigational Reagent to Reagents Registered in Japan

NCT03615846
View directory record Official record
Conditions
Platelet Aggregation, Coronary Artery Disease
Interventions
Not listed
Lead sponsor
Accriva Diagnostics
Industry
Eligibility
18 Years and older
Enrollment
147 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
2
States / cities
Jacksonville, Florida • Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Sep 13, 2021 · Synced Sep 10, 2026, 8:15 PM EDT
Completed Phase 3 Interventional Results available

A Comparison of Ticagrelor (AZD6140) and Clopidogrel in Patients With Acute Coronary Syndrome

NCT00391872
View directory record Official record
Conditions
Acute Coronary Syndrome
Interventions
Ticagrelor, Clopidogrel
Drug
Lead sponsor
AstraZeneca
Industry
Eligibility
18 Years and older
Enrollment
18,624 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2009
U.S. locations
139
States / cities
Birmingham, Alabama • Huntsville, Alabama • Mobile, Alabama + 136 more
Source: ClinicalTrials.gov public record
Updated Mar 12, 2012 · Synced Sep 10, 2026, 8:15 PM EDT
Active, not recruiting No phase listed Observational

Precision PCI Registry

NCT06143709
View directory record Official record
Conditions
Coronary Artery Disease, Percutaneous Coronary Intervention
Interventions
DNA sample collection
Other
Lead sponsor
University of Florida
Other
Eligibility
18 Years and older
Enrollment
1,643 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2027
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Aug 17, 2026 · Synced Sep 10, 2026, 8:15 PM EDT
Recruiting No phase listed Observational

A Precision Medicine Approach to Identify Patients Undergoing Elective PCI at Risk of Peri-PCI Myocardial Infarction

NCT05332262
View directory record Official record
Conditions
Coronary Artery Disease
Interventions
Assessment of platelet reactivity, Troponin measurement
Diagnostic Test
Lead sponsor
University of Florida
Other
Eligibility
18 Years and older
Enrollment
500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2027
U.S. locations
1
States / cities
Jacksonville, Florida
Source: ClinicalTrials.gov public record
Updated Jan 19, 2026 · Synced Sep 10, 2026, 8:15 PM EDT
Recruiting Phase 4 Interventional

Comparison of Dual Antiplatelet Therapy De-escalation by Dose Reduction Versus Switching in Patients Undergoing PCI: The Switching Antiplatelet-8 (SWAP-8) Study

NCT06821191
View directory record Official record
Conditions
Coronary Artery Disease
Interventions
clopidogrel 75 mg, Prasugrel 5 mg
Drug
Lead sponsor
University of Florida
Other
Eligibility
18 Years and older
Enrollment
78 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
Jacksonville, Florida
Source: ClinicalTrials.gov public record
Updated May 11, 2026 · Synced Sep 10, 2026, 8:15 PM EDT