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Showing 1–24 of 39 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Placebo for Clopidogrel Clear all
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Multiple Escalating Oral Doses Study of PF-07081532 in Adult Participants With Type 2 Diabetes Mellitus

NCT04305587
View directory record Official record
Conditions
Diabetes Mellitus Type 2
Interventions
PF-07081532, Placebo, Clopidogrel
Drug · Other
Lead sponsor
Pfizer
Industry
Eligibility
18 Years to 70 Years
Enrollment
66 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
2
States / cities
Anaheim, California • South Miami, Florida
Source: ClinicalTrials.gov public record
Updated Feb 4, 2024 · Synced Sep 22, 2026, 2:06 AM EDT
Completed Phase 3 Interventional

Clopidogrel Prevention of Early Arteriovenous (AV) Fistula Thrombosis

NCT03289520
View directory record Official record
Conditions
Kidney Failure, Hemodialysis Fistula Thrombosis
Interventions
Clopidogrel, Placebo
Drug
Lead sponsor
National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
NIH
Eligibility
18 Years and older
Enrollment
877 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2007
U.S. locations
9
States / cities
Birmingham, Alabama • Iowa City, Iowa • Portland, Maine + 6 more
Source: ClinicalTrials.gov public record
Updated Sep 18, 2025 · Synced Sep 22, 2026, 2:06 AM 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 22, 2026, 2:06 AM EDT
Not listed Phase 4 Interventional Results available

CYPRESS - CYPHER for Evaluating Sustained Safety

NCT00954707
View directory record Official record
Conditions
Coronary Artery Disease
Interventions
Clopidogrel & Aspirin, Prasugrel & Aspirin, Placebo & Aspirin
Drug
Lead sponsor
Cordis US Corp.
Industry
Eligibility
18 Years and older
Enrollment
2,509 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2016
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Feb 6, 2014 · Synced Sep 22, 2026, 2:06 AM EDT
Completed Early Phase 1 Interventional

Stem Cell Mobilization by G-CSF to Treat Severe Peripheral Artery Disease

NCT00797056
View directory record Official record
Conditions
Peripheral Vascular Diseases
Interventions
G-CSF, Placebo, Aspirin, Clopidogrel
Drug
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years and older
Enrollment
32 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2012
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Mar 31, 2015 · Synced Sep 22, 2026, 2:06 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Study to Assess Administration of an Oral Anti-thrombotic With Antiplatelet Therapy in Healthy Subjects

NCT03698513
View directory record Official record
Conditions
Healthy Volunteers
Interventions
BMS-986177, Placebo (for BMS-986177), Clopidogrel, Aspirin
Drug · Other
Lead sponsor
Bristol-Myers Squibb
Industry
Eligibility
18 Years to 55 Years
Enrollment
113 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
Austin, Texas
Source: ClinicalTrials.gov public record
Updated Sep 28, 2021 · Synced Sep 22, 2026, 2:06 AM EDT
Completed Phase 3 Interventional Results available

A Clinical Trial Comparing Cangrelor to Clopidogrel Standard Therapy in Subjects Who Require Percutaneous Coronary Intervention (PCI) (CHAMPION PHOENIX)

NCT01156571
View directory record Official record
Conditions
Atherosclerosis, Percutaneous Coronary Intervention, Acute Coronary Syndrome
Interventions
cangrelor P2Y12 (platelet) inhibitor, Clopidogrel - 300 or 600 mg (study arm), Clopidogrel 600 mg post cangrelor
Drug
Lead sponsor
The Medicines Company
Industry
Eligibility
18 Years and older
Enrollment
11,145 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2012
U.S. locations
1
States / cities
Anderson, South Carolina
Source: ClinicalTrials.gov public record
Updated Feb 3, 2014 · Synced Sep 22, 2026, 2:06 AM EDT
Terminated Phase 4 Interventional Accepts healthy volunteers Results available

Aspirin and Plavix Following Coronary Artery Bypass Grafting

NCT01158703
View directory record Official record
Conditions
Coronary Graft Patency
Interventions
clopidogrel, sugar pill, Aspirin
Drug
Lead sponsor
Ahmad Slim
Federal
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2014
U.S. locations
1
States / cities
San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated May 18, 2015 · Synced Sep 22, 2026, 2:06 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

PACT (Platelet Activity After Clopidogrel Termination)

NCT00619073
View directory record Official record
Conditions
Blood Platelets, Clopidogrel
Interventions
clopidogrel + aspirin, placebo, Aspirin
Drug
Lead sponsor
University of Massachusetts, Worcester
Other
Eligibility
21 Years to 70 Years
Enrollment
15 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2009
U.S. locations
1
States / cities
Worcester, Massachusetts
Source: ClinicalTrials.gov public record
Updated May 30, 2018 · Synced Sep 22, 2026, 2:06 AM EDT
Completed Phase 3 Interventional

Clopidogrel for High Atherothrombotic Risk and Ischemic Stabilization, Management and Avoidance (CHARISMA)

NCT00050817
View directory record Official record
Conditions
Arteriosclerosis
Interventions
clopidogrel (SR25990)
Drug
Lead sponsor
Sanofi
Industry
Eligibility
45 Years and older
Enrollment
15,603 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2005
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Apr 22, 2012 · Synced Sep 22, 2026, 2:06 AM EDT
Completed Phase 2 Interventional Results available

RE-DEEM Dose Finding Study for Dabigatran Etexilate in Patients With Acute Coronary Syndrome

NCT00621855
View directory record Official record
Conditions
Coronary Disease
Interventions
placebo, dabigatran etexilate
Drug
Lead sponsor
Boehringer Ingelheim
Industry
Eligibility
18 Years and older
Enrollment
1,878 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2008
U.S. locations
1
States / cities
Clearwater, Florida
Source: ClinicalTrials.gov public record
Updated Mar 11, 2014 · Synced Sep 22, 2026, 2:06 AM EDT
Withdrawn Not applicable Interventional

Pharmacodynamic Study on Efficacy of Clopidogrel With St. John's Wort

NCT01330589
View directory record Official record
Conditions
Acute Coronary Syndrome
Interventions
Placebo, St. Johns Wort
Drug
Lead sponsor
Lancaster General Hospital
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2015
U.S. locations
1
States / cities
Lancaster, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Oct 4, 2017 · Synced Sep 22, 2026, 2:06 AM 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 22, 2026, 2:06 AM EDT
Completed Phase 2 Interventional

Mixed Antagonist of Serotonin for Claudication Optimal Therapy

NCT00300339
View directory record Official record
Conditions
Intermittent Claudication
Interventions
SL650472, Clopidogrel
Drug
Lead sponsor
Sanofi
Industry
Eligibility
40 Years and older
Enrollment
599 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2007
U.S. locations
1
States / cities
Bridgewater, New Jersey
Source: ClinicalTrials.gov public record
Updated Dec 18, 2008 · Synced Sep 22, 2026, 2:06 AM 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 22, 2026, 2:06 AM EDT
Terminated Phase 3 Interventional Results available

A Clinical Trial to Demonstrate the Efficacy of Cangrelor

NCT00305162
View directory record Official record
Conditions
Myocardial Infarction (MI), Acute Coronary Syndromes (ACS)
Interventions
Cangrelor (P2Y12 inhibitor), clopidogrel (oral P2Y12 inhibitor), Placebo bolus & placebo infusion, Placebo capsules - end of infusion, Placebo capsules - as soon as possible after randomization
Drug
Lead sponsor
The Medicines Company
Industry
Eligibility
18 Years and older
Enrollment
8,882 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2010
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated May 7, 2014 · Synced Sep 22, 2026, 2:06 AM 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 22, 2026, 2:06 AM 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 Sep 22, 2026, 2:06 AM 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 Sep 22, 2026, 2:06 AM EDT
Completed Not applicable Interventional

GRAVITAS: Gauging Responsiveness With A VerifyNow Assay-Impact On Thrombosis And Safety

NCT00645918
View directory record Official record
Conditions
Coronary Arteriosclerosis, Acute Coronary Syndrome
Interventions
clopidogrel, placebo
Drug
Lead sponsor
Accumetrics, Inc.
Industry
Eligibility
18 Years and older
Enrollment
2,800 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2010
U.S. locations
72
States / cities
Birmingham, Alabama • Scottsdale, Arizona • La Jolla, California + 59 more
Source: ClinicalTrials.gov public record
Updated Jun 15, 2011 · Synced Sep 22, 2026, 2:06 AM EDT
Completed Phase 2 Interventional Results available

Effect of Prasugrel on Platelets After One Week in Patients Already Taking Clopidogrel After a Cardiac Event

NCT00356135
View directory record Official record
Conditions
Coronary Arteriosclerosis, Acute Coronary Syndrome
Interventions
prasugrel 10 mg, clopidogrel, prasugrel placebo, prasugrel 60 mg, clopidogrel placebo
Drug
Lead sponsor
Eli Lilly and Company
Industry
Eligibility
18 Years to 74 Years
Enrollment
139 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2008
U.S. locations
9
States / cities
Jacksonville, Florida • Baltimore, Maryland • Worcester, Massachusetts + 6 more
Source: ClinicalTrials.gov public record
Updated Nov 2, 2010 · Synced Sep 22, 2026, 2:06 AM EDT
Completed Phase 1 Interventional Results available

Early Use of Rosuvastatin in Acute Coronary Syndromes: Targeting Platelet-Leukocyte Interactions

NCT01241903
View directory record Official record
Conditions
Acute Coronary Syndrome, Angioplasty, Transluminal, Percutaneous Coronary, Hydroxymethylglutaryl-CoA Reductase Inhibitors, Blood Platelets
Interventions
rosuvastatin, placebo
Drug
Lead sponsor
Susan Smyth
Other
Eligibility
18 Years to 80 Years
Enrollment
54 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2014
U.S. locations
1
States / cities
Lexington, Kentucky
Source: ClinicalTrials.gov public record
Updated Mar 27, 2017 · Synced Sep 22, 2026, 2:06 AM EDT
Completed Phase 4 Interventional Results available

Effectiveness of Intensive Lipid Modification Medication in Preventing the Progression of Peripheral Arterial Disease (The ELIMIT Study)

NCT00687076
View directory record Official record
Conditions
Peripheral Arterial Disease
Interventions
Ezetimibe, Niaspan, Statin therapy, Standard care, Aspirin, Clopidogrel, Placebo Niaspan, Placebo Ezetimibe, Percutaneous transluminal angioplasty (PTA)
Drug · Behavioral · Procedure
Lead sponsor
Baylor College of Medicine
Other
Eligibility
40 Years to 80 Years
Enrollment
102 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2010
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Feb 5, 2020 · Synced Sep 22, 2026, 2:06 AM EDT
Terminated Phase 3 Interventional Results available

Cangrelor Versus Standard Therapy to Achieve Optimal Management of Platelet Inhibition.

NCT00385138
View directory record Official record
Conditions
Atherosclerosis, Acute Coronary Syndrome (ACS)
Interventions
Cangrelor, clopidogrel, Placebo bolus & placebo infusion, Placebo capsules - end of PCI, Placebo capsules - end of infusion
Drug
Lead sponsor
The Medicines Company
Industry
Eligibility
18 Years and older
Enrollment
5,364 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2010
U.S. locations
1
States / cities
Fargo, North Dakota
Source: ClinicalTrials.gov public record
Updated May 4, 2014 · Synced Sep 22, 2026, 2:06 AM EDT