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ClinicalTrials.gov public records Last synced Oct 29, 2026, 11:50 PM EDT

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Showing 1–24 of 170 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Clopidogrel Clear all
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 24, 2006 · Synced Oct 29, 2026, 11:50 PM EDT
Completed Phase 1 Interventional Results available

Comparison of Prasugrel and Clopidogrel in Very Elderly and Non-Elderly Patients With Stable Coronary Artery Disease

NCT01107912
View directory record Official record
Conditions
Coronary Artery Disease
Interventions
prasugrel, clopidogrel
Drug
Lead sponsor
Eli Lilly and Company
Industry
Eligibility
45 Years and older
Enrollment
155 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2011
U.S. locations
3
States / cities
Jacksonville, Florida • Baltimore, Maryland • Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Oct 26, 2012 · Synced Oct 29, 2026, 11:50 PM EDT
Terminated Phase 4 Interventional

Role of Plavix in Hemorrhagic and Ischemic Complications of Catheterization.

NCT00421252
View directory record Official record
Conditions
Coronary Artery Disease, Myocardial Ischemia, Bleeding
Interventions
clopidogrel 600 mg, arterial access sheath
Drug · Device
Lead sponsor
Beth Israel Deaconess Medical Center
Other
Eligibility
18 Years to 85 Years
Enrollment
18 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2008
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Apr 14, 2017 · Synced Oct 29, 2026, 11:50 PM EDT
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 16, 2012 · Synced Oct 29, 2026, 11:50 PM EDT
Completed Phase 3 Interventional Results available

A Study Exploring Two Strategies of Rivaroxaban (JNJ39039039; BAY-59-7939) and One of Oral Vitamin K Antagonist in Patients With Atrial Fibrillation Who Undergo Percutaneous Coronary Intervention

NCT01830543
View directory record Official record
Conditions
Atrial Fibrillation, Percutaneous Coronary Intervention
Interventions
rivaroxaban 2.5 mg, rivaroxaban 15 mg, rivaroxaban 10 mg, aspirin (ASA), vitamin K antagonist (VKA), clopidogrel, prasugrel, ticagrelor
Drug
Lead sponsor
Janssen Scientific Affairs, LLC
Industry
Eligibility
18 Years and older
Enrollment
2,124 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2016
U.S. locations
86
States / cities
Huntsville, Alabama • Los Alamitos, California • Mission Viejo, California + 83 more
Source: ClinicalTrials.gov public record
Updated Sep 19, 2017 · Synced Oct 29, 2026, 11:50 PM EDT
Terminated Phase 3 Interventional

Clopidogrel and the Optimization of Gastrointestinal Events (COGENT-1)

NCT00557921
View directory record Official record
Conditions
Acute Coronary Syndrome, Myocardial Infarction, Coronary Artery Disease, Percutaneous Coronary Intervention
Interventions
CGT-2168 (clopidogrel 75 mg/omeprazole 20 mg) and aspirin, Plavix (clopidogrel 75 mg) and aspirin
Drug
Lead sponsor
Cogentus Pharmaceuticals
Industry
Eligibility
21 Years and older
Enrollment
5,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2009
U.S. locations
247
States / cities
Alexander City, Alabama • Birmingham, Alabama • Geneva, Alabama + 205 more
Source: ClinicalTrials.gov public record
Updated Jan 28, 2009 · Synced Oct 29, 2026, 11:50 PM EDT
Terminated Phase 4 Interventional

A Trial Comparing the Ischemic Preconditioning Effects of Ticagrelor and Clopidogrel in Humans

NCT01743937
View directory record Official record
Conditions
Ischemic Preconditioning
Interventions
Coronary occlusion with balloon inflation
Procedure
Lead sponsor
University of Texas Southwestern Medical Center
Other
Eligibility
18 Years to 74 Years
Enrollment
18 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2017
U.S. locations
2
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Nov 25, 2020 · Synced Oct 29, 2026, 11:50 PM EDT
Completed Phase 2 Interventional Results available

A Study to Compare the Safety of Rivaroxaban Versus Acetylsalicylic Acid in Addition to Either Clopidogrel or Ticagrelor Therapy in Participants With Acute Coronary Syndrome

NCT02293395
View directory record Official record
Conditions
Acute Coronary Syndrome
Interventions
Acetylsalicylic acid, Rivaroxaban, Clopidogrel, Ticagrelor
Drug
Lead sponsor
Janssen Research & Development, LLC
Industry
Eligibility
18 Years and older
Enrollment
3,037 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2016
U.S. locations
49
States / cities
Alexander City, Alabama • Banning, California • Sylmar, California + 46 more
Source: ClinicalTrials.gov public record
Updated Dec 26, 2017 · Synced Oct 29, 2026, 11:50 PM EDT
Completed Phase 3 Interventional Results available

An Efficacy and Safety Study for Rivaroxaban in Patients With Acute Coronary Syndrome

NCT00809965
View directory record Official record
Conditions
Acute Coronary Syndrome, Myocardial Infarction, Myocardial Ischemia, Unstable Angina
Interventions
Rivaroxaban 2.5 mg, Rivaroxaban 5 mg, Placebo, Standard of care
Drug
Lead sponsor
Johnson & Johnson Pharmaceutical Research & Development, L.L.C.
Industry
Eligibility
18 Years and older
Enrollment
15,526 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2011
U.S. locations
73
States / cities
Birmingham, Alabama • Geneva, Alabama • Mobile, Alabama + 70 more
Source: ClinicalTrials.gov public record
Updated Sep 17, 2014 · Synced Oct 29, 2026, 11:50 PM EDT
Completed Not applicable Interventional

Study of Optimal Clopidogrel Duration in Patients Receiving Drug Eluting Stents (SCORE Trial)

NCT00781573
View directory record Official record
Conditions
Myocardial Infarction
Interventions
Clopidogrel
Drug
Lead sponsor
North Texas Veterans Healthcare System
Federal
Eligibility
21 Years and older
Enrollment
167 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2014
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Sep 13, 2018 · Synced Oct 29, 2026, 11:50 PM EDT
Completed Phase 3 Interventional Results available

A Study Comparing Cardiovascular Effects of Ticagrelor and Clopidogrel in Patients With Peripheral Artery Disease

NCT01732822
View directory record Official record
Conditions
Peripheral Artery Disease
Interventions
Ticagrelor, Clopidogrel
Drug
Lead sponsor
AstraZeneca
Industry
Eligibility
50 Years to 130 Years
Enrollment
13,885 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2016
U.S. locations
290
States / cities
Alexander City, Alabama • Auburn, Alabama • Birmingham, Alabama + 239 more
Source: ClinicalTrials.gov public record
Updated Oct 30, 2017 · Synced Oct 29, 2026, 11:50 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Does Continued Use of Clopidogrel Into Surgery Cause Increased Perioperative Bleeding?

NCT01960296
View directory record Official record
Conditions
Clopidogrel
Interventions
Clopidogrel, Discontinue Clopidogrel
Drug
Lead sponsor
Icahn School of Medicine at Mount Sinai
Other
Eligibility
18 Years and older
Enrollment
48 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2013
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated May 30, 2017 · Synced Oct 29, 2026, 11:50 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 20, 2026 · Synced Oct 29, 2026, 11:50 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

PPI and Clopidogrel Response

NCT01170533
View directory record Official record
Conditions
Drug Interaction
Interventions
omeprazole and pantoprazole
Drug
Lead sponsor
University of Florida
Other
Eligibility
18 Years to 75 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2010
U.S. locations
1
States / cities
Jacksonville, Florida
Source: ClinicalTrials.gov public record
Updated Mar 6, 2012 · Synced Oct 29, 2026, 11:50 PM EDT
Completed Phase 4 Interventional Results available

Effect of Prasugrel Versus Clopidogrel on Platelet Function After Bivalirudin Cessation

NCT01789814
View directory record Official record
Conditions
Coronary Artery Disease
Interventions
Prasugrel, Clopidogrel
Drug
Lead sponsor
Tufts Medical Center
Other
Eligibility
18 Years to 75 Years
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Apr 4, 2017 · Synced Oct 29, 2026, 11:50 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 7, 2013 · Synced Oct 29, 2026, 11:50 PM EDT
Completed Phase 4 Interventional

Antiplatelet Effects of Ticagrelor Versus Clopidogrel in American Indian Patients

NCT01706510
View directory record Official record
Conditions
Coronary Artery Disease
Interventions
Ticagrelor, Clopidogrel
Drug
Lead sponsor
Rapid City Regional Hospital, Inc
Other
Eligibility
18 Years and older
Enrollment
28 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
1
States / cities
Rapid City, South Dakota
Source: ClinicalTrials.gov public record
Updated May 5, 2015 · Synced Oct 29, 2026, 11:50 PM EDT
Completed Phase 3 Interventional Results available

Clopidogrel Optimal Loading Dose Usage to Reduce Recurrent EveNTs/Optimal Antiplatelet Strategy for InterventionS

NCT00335452
View directory record Official record
Conditions
Acute Coronary Disease, Angina Unstable
Interventions
Clopidogrel, acetylsalicyclic acid (ASA)
Drug
Lead sponsor
Sanofi
Industry
Eligibility
18 Years and older
Enrollment
25,086 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2009
U.S. locations
1
States / cities
Bridgewater, New Jersey
Source: ClinicalTrials.gov public record
Updated Nov 18, 2010 · Synced Oct 29, 2026, 11:50 PM EDT
Completed No phase listed Observational

YouScript IMPACT Registry

NCT02191358
View directory record Official record
Conditions
Adverse Drug Events, Adverse Drug Reactions, Drug Interaction Potentiation, Drug Metabolism, Poor, CYP2D6-RELATED, Drug Metabolism, Poor, CYP2C19-RELATED, Cytochrome P450 Enzyme Deficiency, Cytochrome P450 CYP2D6 Enzyme Deficiency, Cytochrome P450 CYP2C9 Enzyme Deficiency, Cytochrome P450 CYP2C19 Enzyme Deficiency, Cytochrome P450 CYP3A Enzyme Deficiency, Poor Metabolizer Due to Cytochrome P450 CYP2C9 Variant, Poor Metabolizer Due to Cytochrome P450 CYP2C19 Variant, Poor Metabolizer Due to Cytochrome P450 CYP2D6 Variant
Interventions
Not listed
Lead sponsor
Genelex Corporation
Industry
Eligibility
65 Years and older
Enrollment
800 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
7
States / cities
Garden Grove, California • Denver, Colorado • Lexington, Kentucky + 3 more
Source: ClinicalTrials.gov public record
Updated Mar 1, 2017 · Synced Oct 29, 2026, 11:50 PM EDT
Not listed Phase 2Phase 3 Interventional

Half-dose Ticagrelor Overcomes High-dose Clopidogrel in Acute Coronary Syndrome Patients With High On-Clopidogrel Platelet Reactivity

NCT03062462
View directory record Official record
Conditions
Coronary Artery Disease, Clopidogrel, Poor Metabolism of
Interventions
Clopidogrel, ticagrelor
Drug
Lead sponsor
First Affiliated Hospital of Harbin Medical University
Other
Eligibility
18 Years to 75 Years
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
1
States / cities
Havertown, Pennsylvania
Source: ClinicalTrials.gov public record
Updated May 7, 2018 · Synced Oct 29, 2026, 11:50 PM EDT
Completed Phase 2 Interventional Results available

A Study of the Antiplatelet Effects Comparing Ticagrelor (Ticag. - AZD6140) With Clopidogrel (Clop.) Responder and Non-responders

NCT00642811
View directory record Official record
Conditions
Stable Coronary Artery Disease
Interventions
Ticagrelor, Clopidogrel, Aspirin
Drug
Lead sponsor
AstraZeneca
Industry
Eligibility
18 Years and older
Enrollment
98 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2009
U.S. locations
4
States / cities
Jonesboro, Arkansas • Ormond Beach, Florida • Baltimore, Maryland + 1 more
Source: ClinicalTrials.gov public record
Updated Oct 4, 2011 · Synced Oct 29, 2026, 11:50 PM EDT
Completed Phase 4 Interventional Results available

Platelet Inhibition in Patients With Systolic Heart Failure

NCT01765400
View directory record Official record
Conditions
Systolic Heart Failure
Interventions
Prasugrel 10 mg daily x 2 weeks, Clopidogrel 75 mg daily x 2 weeks
Drug
Lead sponsor
University of Nebraska
Other
Eligibility
19 Years to 75 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
1
States / cities
Omaha, Nebraska
Source: ClinicalTrials.gov public record
Updated Oct 10, 2023 · Synced Oct 29, 2026, 11:50 PM EDT
Not listed Not applicable Interventional

Plavix, Prasugrel and Drug Eluting Stents Pilot Trial

NCT01103843
View directory record Official record
Conditions
Coronary Artery Disease, Platelet Aggregation Inhibitors, PCI- Percutaneous Coronary Intervention
Interventions
Loading Dose Arm, Maintenance Dose Arm
Drug
Lead sponsor
St. Francis Hospital, New York
Other
Eligibility
21 Years to 75 Years
Enrollment
1,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2011
U.S. locations
1
States / cities
Roslyn, New York
Source: ClinicalTrials.gov public record
Updated Apr 15, 2010 · Synced Oct 29, 2026, 11:50 PM EDT
Withdrawn No phase listed Observational

Safety of Percutaneous Tracheostomy in Clopidogrel and Selective Serotonin Reuptake Inhibitors

NCT02074254
View directory record Official record
Conditions
Tracheostomy Complication
Interventions
Not listed
Lead sponsor
Ohio State University
Other
Eligibility
18 Years to 70 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012
U.S. locations
2
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Nov 10, 2021 · Synced Oct 29, 2026, 11:50 PM EDT