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Showing 1–24 of 72 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: platelet aggregation measurement Clear all
Completed Not applicable Interventional Accepts healthy volunteers Results available

Consumption of Oral Artificial Sweeteners on Platelet Aggregation and Polyol Excretion

NCT04731363
View directory record Official record
Conditions
Cardiovascular Risk Factor
Interventions
xylitol, 30g, erythritol, 30g, xylitol, 5g, glucose, 30g
Dietary Supplement
Lead sponsor
The Cleveland Clinic
Other
Eligibility
18 Years and older
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2026
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Jul 12, 2026 · Synced Sep 3, 2026, 6:58 PM EDT
Completed No phase listed Observational

Platelet Function on Abacavir and Tenofovir

NCT03081572
View directory record Official record
Conditions
Cardiovascular Diseases, Platelet Aggregation, Spontaneous, HIV/AIDS
Interventions
Platelet aggregation
Diagnostic Test
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years and older
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Nov 18, 2020 · Synced Sep 3, 2026, 6:58 PM EDT
Completed Not applicable Interventional Results available

The Effect of Clopidogrel on Coated-Platelets in Patients Undergoing Cardiac Catheterization

NCT00644657
View directory record Official record
Conditions
Coronary Artery Disease, Chest Pain
Interventions
Clopidogrel
Drug
Lead sponsor
University of Oklahoma
Other
Eligibility
18 Years to 65 Years
Enrollment
27 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2008
U.S. locations
1
States / cities
Oklahoma City, Oklahoma
Source: ClinicalTrials.gov public record
Updated Oct 6, 2011 · Synced Sep 3, 2026, 6:58 PM EDT
Completed Phase 4 Interventional

Scripps Evaluation of Antiplatelet Therapies for Intermediate Duration With the Endeavor Stent (Seaside)

NCT00963781
View directory record Official record
Conditions
Coronary Artery Disease, Coronary Thrombosis
Interventions
Medtronic Endeavor Stent, Reduced duration (6 months) DAPT
Device · Drug
Lead sponsor
Scripps Health
Other
Eligibility
18 Years and older
Enrollment
219 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2013
U.S. locations
1
States / cities
La Jolla, California
Source: ClinicalTrials.gov public record
Updated Oct 19, 2020 · Synced Sep 3, 2026, 6:58 PM EDT
Not listed Not applicable Interventional

The Inhibition of Platelet Antiaggregating Activity of Clopidogrel by Atorvastatin Detected by Erythromycin Breath Test: a Metabolic Inhibition of Hepatic Cytochrome P450-3A

NCT00004564
View directory record Official record
Conditions
Hypercholesterolemia, Thrombosis
Interventions
Clopidogrel, Atorvastatin
Drug
Lead sponsor
National Center for Research Resources (NCRR)
NIH
Eligibility
18 Years to 75 Years
Healthy volunteers
Healthy volunteers not accepted
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Jun 23, 2005 · Synced Sep 3, 2026, 6:58 PM EDT
Withdrawn Not applicable Interventional Accepts healthy volunteers

Measurement of Platelet Dense Granule Release in Healthy Volunteers

NCT00942617
View directory record Official record
Conditions
Platelet Aggregation
Interventions
Aspirin
Drug
Lead sponsor
Vanderbilt University
Other
Eligibility
18 Years and older · Male only
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2012
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Dec 6, 2015 · Synced Sep 3, 2026, 6:58 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Acute Assessment of Platelet Reactivity After the Intake of Oleocanthal

NCT03528603
View directory record Official record
Conditions
Platelet Aggregation, Nutritional and Metabolic Disease, Cardiovascular Diseases
Interventions
Oleocanthal-Rich Extra Virgin Olive Oil, Oleocanthal-low Extra Virgin Olive Oil
Other
Lead sponsor
University of California, Davis
Other
Eligibility
20 Years to 45 Years · Male only
Enrollment
26 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2024
U.S. locations
1
States / cities
Davis, California
Source: ClinicalTrials.gov public record
Updated Jun 23, 2024 · Synced Sep 3, 2026, 6:58 PM EDT
Terminated Phase 3 Interventional Results available

Effect of Ticagrelor vs. Placebo in the Reduction of Vaso-occlusive Crises in Pediatric Patients With Sickle Cell Disease

NCT03615924
View directory record Official record
Conditions
Sickle Cell Disease
Interventions
Ticagrelor, Placebo
Drug
Lead sponsor
AstraZeneca
Industry
Eligibility
2 Years to 17 Years
Enrollment
193 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
7
States / cities
Fort Lauderdale, Florida • Miami, Florida • Chicago, Illinois + 4 more
Source: ClinicalTrials.gov public record
Updated Apr 8, 2021 · Synced Sep 3, 2026, 6:58 PM EDT
Completed Phase 4 Interventional Results available

EDUCATE: The MEDTRONIC Endeavor Drug Eluting Stenting: Understanding Care, Antiplatelet Agents and Thrombotic Events

NCT01069003
View directory record Official record
Conditions
Coronary Artery Disease
Interventions
Placebo Arm, Thienopyridine Therapy, Surveillance Arm
Drug · Device
Lead sponsor
Medtronic Vascular
Industry
Eligibility
19 Years and older
Enrollment
2,272 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2014
U.S. locations
1
States / cities
Anderson, South Carolina
Source: ClinicalTrials.gov public record
Updated Jan 19, 2016 · Synced Sep 3, 2026, 6:58 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Whole Blood Platelet Aggregation in Chronic Kidney Disease Patients on Aspirin Study

NCT01768637
View directory record Official record
Conditions
Chronic Kidney Disease
Interventions
Aspirin, Clopidogrel
Drug
Lead sponsor
University of Texas Southwestern Medical Center
Other
Eligibility
21 Years to 90 Years
Enrollment
48 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2014
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Apr 18, 2019 · Synced Sep 3, 2026, 6:58 PM EDT
Completed Phase 4 Interventional

Effect of Indinavir Plus Two Other Anti-HIV Drugs on Blood Clotting in HIV-Positive Males With Hemophilia

NCT00002386
View directory record Official record
Conditions
HIV Infections, Hemophilia A
Interventions
Indinavir sulfate, Lamivudine, Stavudine, Zidovudine, Zalcitabine, Didanosine
Drug
Lead sponsor
Merck Sharp & Dohme LLC
Industry
Eligibility
16 Years and older · Male only
Enrollment
55 participants
Healthy volunteers
Healthy volunteers not accepted
U.S. locations
7
States / cities
San Francisco, California • Washington D.C., District of Columbia • Atlanta, Georgia + 4 more
Source: ClinicalTrials.gov public record
Updated Jun 23, 2005 · Synced Sep 3, 2026, 6:58 PM EDT
Completed No phase listed Observational Accepts healthy volunteers Results available

Genetic Variation in Platelet Aggregation

NCT01576536
View directory record Official record
Conditions
Myocardial Infarction
Interventions
Not listed
Lead sponsor
Vanderbilt University
Other
Eligibility
18 Years to 45 Years
Enrollment
117 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2016
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Jun 4, 2019 · Synced Sep 3, 2026, 6:58 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Platelet Function and Safety After IV and Oral Diclofenac, IV Ketorolac and Oral Aspirin in Adult Volunteers

NCT00548678
View directory record Official record
Conditions
Healthy
Interventions
intravenous diclofenac sodium (DIC075V), ketorolac, oral diclofenac (Cataflam), aspirin
Drug
Lead sponsor
Javelin Pharmaceuticals
Industry
Eligibility
18 Years to 55 Years · Male only
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007
U.S. locations
1
States / cities
Miramar, Florida
Source: ClinicalTrials.gov public record
Updated Jul 15, 2008 · Synced Sep 3, 2026, 6:58 PM EDT
Active, not recruiting Not applicable Interventional

Thromboelastography With Platelet Mapping to Guide Antiplatelet Therapy After Lower Extremity Revascularization

NCT07597239
View directory record Official record
Conditions
Thrombosis, Arterial Occlusive Diseases, Thromboelastography (TEG), Peripheral Arterial Disease(PAD), Stent Thrombosis, Platelet Inhibition, PRU(Platelet Reactivity Unit)
Interventions
Aspirin, Clopidogrel, Ticagrelor, Platelet Reactivity Testing, Thromboelastography with Platelet Mapping
Drug · Diagnostic Test
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
60 Years and older
Enrollment
130 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2026
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jul 22, 2026 · Synced Sep 3, 2026, 6:58 PM EDT
Completed Phase 2 Interventional Results available

Study of the Combination Therapy of Rt-PA and Eptifibatide to Treat Acute Ischemic Stroke (CLEAR-FDR)

NCT01977456
View directory record Official record
Conditions
Stroke, Brain Infarction
Interventions
Eptifibatide
Drug
Lead sponsor
Arthur Pancioli
Other
Eligibility
18 Years to 85 Years
Enrollment
27 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
8
States / cities
Edgewood, Kentucky • Florence, Kentucky • Fort Thomas, Kentucky + 1 more
Source: ClinicalTrials.gov public record
Updated Jan 20, 2016 · Synced Sep 3, 2026, 6:58 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 4, 2015 · Synced Sep 3, 2026, 6:58 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Study of Aleglitazar in Combination With Aspirin in Healthy Volunteers

NCT01188304
View directory record Official record
Conditions
Healthy Volunteer
Interventions
aleglitazar, aspirin, placebo
Drug
Lead sponsor
Hoffmann-La Roche
Industry
Eligibility
40 Years to 65 Years
Enrollment
44 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010
U.S. locations
1
States / cities
San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Nov 1, 2016 · Synced Sep 3, 2026, 6:58 PM EDT
Active, not recruiting Not applicable Interventional

LEADERS FREE II: BioFreedom™ Pivotal Study

NCT02843633
View directory record Official record
Conditions
Acute Coronary Syndrome, High Bleeding Risk
Interventions
BioFreedom™ Drug Coated Coronary Stent System, Antiplatelet Drug
Device · Drug
Lead sponsor
Biosensors Europe SA
Industry
Eligibility
Not listed
Enrollment
1,203 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2021
U.S. locations
39
States / cities
Huntsville, Alabama • Hot Springs, Arkansas • La Jolla, California + 34 more
Source: ClinicalTrials.gov public record
Updated Feb 2, 2021 · Synced Sep 3, 2026, 6:58 PM EDT
Completed Phase 2 Interventional

Platelet Aggregation Inhibition in Children on Clopidogrel (PICOLO)

NCT00115375
View directory record Official record
Conditions
Congenital Heart Defects, Blood Platelet Disorders
Interventions
Clopidogrel (SR25990)
Drug
Lead sponsor
Sanofi
Industry
Eligibility
Up to 24 Months
Enrollment
92 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2006
U.S. locations
1
States / cities
Bridgewater, New Jersey
Source: ClinicalTrials.gov public record
Updated Mar 24, 2009 · Synced Sep 3, 2026, 6:58 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 3, 2026, 6:58 PM EDT
Completed Phase 2 Interventional Results available

Safety of PZ-128 in Subjects Undergoing Non-Emergent Percutaneous Coronary Intervention

NCT02561000
View directory record Official record
Conditions
Arterial Occlusive Diseases, Coronary Artery Disease, Coronary Disease, Arteriosclerosis, Heart Diseases, Myocardial Ischemia, Vascular Diseases, Acute Coronary Syndrome
Interventions
PZ-128, Placebo
Drug
Lead sponsor
Tufts Medical Center
Other
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2019
U.S. locations
3
States / cities
Boston, Massachusetts • Worcester, Massachusetts • Falls Church, Virginia
Source: ClinicalTrials.gov public record
Updated Apr 15, 2025 · Synced Sep 3, 2026, 6:58 PM EDT
Terminated Phase 4 Interventional Results available

Pharmacogenomics of Anti-platelet Intervention-2 (PAPI-2) Study

NCT01452152
View directory record Official record
Conditions
Cardiovascular Diseases, Acute Coronary Syndrome
Interventions
clopidogrel, prasugrel
Drug
Lead sponsor
University of Maryland, Baltimore
Other
Eligibility
20 Years to 74 Years
Enrollment
9 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2013
U.S. locations
5
States / cities
Newark, Delaware • Baltimore, Maryland • Danville, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Mar 15, 2022 · Synced Sep 3, 2026, 6:58 PM 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 3, 2026, 6:58 PM EDT
Completed Phase 4 Interventional

Effect of Thiazolidinedione Treatment Vascular Risk Markers

NCT00571506
View directory record Official record
Conditions
Diabetes Mellitus, Type 2, Vascular Diseases
Interventions
Rosiglitazone, Pioglitazone
Drug
Lead sponsor
University of Arkansas
Other
Eligibility
40 Years to 65 Years
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2007
U.S. locations
1
States / cities
Little Rock, Arkansas
Source: ClinicalTrials.gov public record
Updated Dec 8, 2009 · Synced Sep 3, 2026, 6:58 PM EDT