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Showing 1–24 of 46 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Platelet Reactivity Clear all
Completed No phase listed Observational

Platelet Reactivity After CABG

NCT01793597
View directory record Official record
Conditions
Acute Coronary Syndrome
Interventions
Not listed
Lead sponsor
University of Vermont
Other
Eligibility
18 Years and older
Enrollment
18 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
1
States / cities
Burlington, Vermont
Source: ClinicalTrials.gov public record
Updated Sep 21, 2015 · Synced Sep 10, 2026, 12:49 AM EDT
Not listed No phase listed Observational

National Vaccine Adverse Event Reporting Survey and Etiology

NCT05095844
View directory record Official record
Conditions
COVID-19, Vaccine Adverse Reaction, Vaccine Reaction, Vaccine or Biological Substance, Unspecified Causing Adverse Effects in Therapeutic Use, Corona Virus Infection, Blood Clot, Thrombocytopenia, Neuritis, Vasculitis, Influenza, Guillain-Barré, GWAS, Genetic Sequencing
Interventions
vaccinated
Biological
Lead sponsor
Neuroganics LLC
Industry
Eligibility
5 Years to 99 Years
Enrollment
100,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
1
States / cities
Northglenn, Colorado
Source: ClinicalTrials.gov public record
Updated Mar 17, 2022 · Synced Sep 10, 2026, 12:49 AM EDT
Terminated Phase 3 Interventional Results available

The Value of Screening for HPR in Patients Undergoing Lower Extremity Arterial Endovascular Interventions

NCT04007055
View directory record Official record
Conditions
Peripheral Artery Disease, Clopidogrel, Poor Metabolism of, Peripheral Vascular Disease, Artery Disease, Peripheral Arterial Occlusive Disease
Interventions
Point of care screening for HPR, Ticagrelor 90mg
Diagnostic Test · Drug
Lead sponsor
Marissa Jarosinski
Other
Eligibility
18 Years to 90 Years
Enrollment
31 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2024
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jul 5, 2026 · Synced Sep 10, 2026, 12:49 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

IV Ketorolac on Platelet Function Post-Cesarean Delivery

NCT03805607
View directory record Official record
Conditions
Analgesia, Obstetrical, Coagulation Defect; Postpartum, Nonsteroidals (NSAIDs)Toxicity, Postpartum Hemorrhage, Postoperative Pain, Ketorolac Adverse Reaction, Blood Loss, Postoperative
Interventions
Ketorolac Tromethamine 30 MG/ML, Placebos
Drug
Lead sponsor
Beth Israel Deaconess Medical Center
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2024
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated May 28, 2026 · Synced Sep 10, 2026, 12:49 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

The Effects of Dietary Erythritol on Platelet Reactivity and Vascular Inflammation

NCT05967741
View directory record Official record
Conditions
Platelet Aggregation, Spontaneous, Vascular Thrombosis
Interventions
Erythritol, Aspartame
Other
Lead sponsor
University of California, Davis
Other
Eligibility
18 Years to 70 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2026
U.S. locations
1
States / cities
Davis, California
Source: ClinicalTrials.gov public record
Updated Dec 4, 2025 · Synced Sep 10, 2026, 12:49 AM EDT
Terminated Phase 4 Interventional Results available

Effects of Evolocumab on Platelet Reactivity in Patients With Diabetes Mellitus

NCT03258281
View directory record Official record
Conditions
Diabetes Mellitus, Type 2, Dyslipidemia Associated With Type II Diabetes Mellitus, Percutaneous Coronary Intervention
Interventions
Evolocumab, Placebo
Drug
Lead sponsor
Inova Health Care Services
Other
Eligibility
Not listed
Enrollment
4 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
1
States / cities
Falls Church, Virginia
Source: ClinicalTrials.gov public record
Updated Jan 18, 2023 · Synced Sep 10, 2026, 12:49 AM EDT
Completed Not applicable Interventional

Resveratrol in Metabolic Syndrome: Effect on Platelet Hyper-reactivity and HDL Lipid Peroxidation

NCT02219906
View directory record Official record
Conditions
Metabolic Syndrome
Interventions
Resveratrol, Placebo
Dietary Supplement
Lead sponsor
Vanderbilt University
Other
Eligibility
30 Years to 75 Years
Enrollment
41 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2019
U.S. locations
2
States / cities
Nashville, Tennessee • Houston, Texas
Source: ClinicalTrials.gov public record
Updated Apr 18, 2019 · Synced Sep 10, 2026, 12:49 AM EDT
Completed Phase 4 Interventional Results available

ECMO Hemostatic Transfusions in Children

NCT05796557
View directory record Official record
Conditions
Extracorporeal Membrane Oxygenation Complication, Hemorrhage, Thromboembolism, Transfusion Adverse Reaction
Interventions
Platelet Transfusion
Biological
Lead sponsor
Yale University
Other
Eligibility
Up to 18 Years
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
9
States / cities
Atlanta, Georgia • Iowa City, Iowa • Louisville, Kentucky + 5 more
Source: ClinicalTrials.gov public record
Updated May 30, 2025 · Synced Sep 10, 2026, 12:49 AM EDT
Not listed No phase listed Observational

Prevalence and Level of Thienopyridine Resistance Seen in a Contemporary Percutaneous Coronary Intervention or Coronary Artery Bypass Graft Population

NCT01408927
View directory record Official record
Conditions
Increased Drug Resistance
Interventions
Thienopyridine resistance testing, Aspirin resistance testing, Genetic polymorphism assessment
Other
Lead sponsor
Medstar Health Research Institute
Other
Eligibility
18 Years and older
Enrollment
1,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2016
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated Aug 10, 2014 · Synced Sep 10, 2026, 12:49 AM EDT
Completed No phase listed Observational

Platelet Reactivity After Cessation of Clopid in the Setting of Coronary Stent Implantation I: PRACTICE I

NCT00684359
View directory record Official record
Conditions
Coronary Disease
Interventions
Not listed
Lead sponsor
Medstar Health Research Institute
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2010
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated May 30, 2010 · Synced Sep 10, 2026, 12:49 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Low Dose Aspirin Studied With the AggreGuide

NCT01603966
View directory record Official record
Conditions
Platelet Aggregation
Interventions
Not listed
Lead sponsor
Edward R. Teitel, M.D.
Industry
Eligibility
18 Years to 70 Years
Enrollment
13 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jul 16, 2012 · Synced Sep 10, 2026, 12:49 AM EDT
Completed No phase listed Observational

Platelet Reactivity In Patients With Nuisance Bleeding On A Thienopyridine

NCT01152229
View directory record Official record
Conditions
Platelet Aggregation, Bleeding
Interventions
Not listed
Lead sponsor
Medstar Health Research Institute
Other
Eligibility
18 Years and older
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2011
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated Aug 2, 2011 · Synced Sep 10, 2026, 12:49 AM EDT
Completed No phase listed Observational

A Open Label, Post Marketing Surveillance Study Following Transfusion of INTERCEPT Platelet Components

NCT02549222
View directory record Official record
Conditions
Transfusion Related Acute Lung Injury
Interventions
Standard of Care
Other
Lead sponsor
Cerus Corporation
Industry
Eligibility
Not listed
Enrollment
2,291 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2021
U.S. locations
15
States / cities
Los Angeles, California • Palo Alto, California • New Haven, Connecticut + 12 more
Source: ClinicalTrials.gov public record
Updated Feb 17, 2022 · Synced Sep 10, 2026, 12:49 AM EDT
Completed Phase 4 Interventional Results available

Impact of Evolocumab on the Effects of Clopidogrel in Patients With High On-Treatment Platelet Reactivity

NCT03096288
View directory record Official record
Conditions
Atherosclerotic Cardiovascular Disease
Interventions
Evolocumab, Placebo
Drug · Other
Lead sponsor
University of Florida
Other
Eligibility
18 Years and older
Enrollment
259 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2020
U.S. locations
1
States / cities
Jacksonville, Florida
Source: ClinicalTrials.gov public record
Updated Feb 16, 2022 · Synced Sep 10, 2026, 12:49 AM EDT
Recruiting Phase 4 Interventional

Effects of Low-dose Ticagrelor vs. Clopidogrel in Stable Patients Undergoing Elective Percutaneous Coronary Intervention

NCT06228456
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
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
1
States / cities
Jacksonville, Florida
Source: ClinicalTrials.gov public record
Updated Feb 4, 2026 · Synced Sep 10, 2026, 12:49 AM EDT
Completed No phase listed Observational

Effects of Antibodies to White Blood Cells on Platelet Transfusion Patients

NCT00460122
View directory record Official record
Conditions
Healthy, Transfusion Reactions
Interventions
Not listed
Lead sponsor
National Institutes of Health Clinical Center (CC)
NIH
Eligibility
18 Years and older
Enrollment
135 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2012
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Dec 11, 2019 · Synced Sep 10, 2026, 12:49 AM 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 6, 2018 · Synced Sep 10, 2026, 12:49 AM 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 10, 2026, 12:49 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Flavonoid Effect on Activation and Stimulation of Thrombocytes, hsCRP and Lipid Profile

NCT00559663
View directory record Official record
Conditions
Healthy
Interventions
Green tea, 70% dark chocolate
Dietary Supplement
Lead sponsor
LifeBridge Health
Other
Eligibility
18 Years to 55 Years
Enrollment
35 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2007
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Nov 19, 2007 · Synced Sep 10, 2026, 12:49 AM 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, 12:49 AM EDT
Completed No phase listed Observational

Platelet Function Monitoring in Patients With Acute Myocardial Infarction

NCT01353261
View directory record Official record
Conditions
Acute Myocardial Infarction
Interventions
Not listed
Lead sponsor
Medstar Health Research Institute
Other
Eligibility
18 Years and older
Enrollment
63 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2013
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated Oct 31, 2013 · Synced Sep 10, 2026, 12:49 AM EDT
Completed Not applicable Interventional Results available

Pharmacodynamic Evaluation of Switching From Prasugrel to Ticagrelor

NCT02016170
View directory record Official record
Conditions
Coronary Artery Disease, Acute Coronary Syndrome
Interventions
Ticagrelor 180mg, Prasugrel 10mg, Ticagrelor 90mg
Drug
Lead sponsor
University of Florida
Other
Eligibility
18 Years to 74 Years
Enrollment
82 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
1
States / cities
Jacksonville, Florida
Source: ClinicalTrials.gov public record
Updated Jul 2, 2024 · Synced Sep 10, 2026, 12:49 AM EDT
Completed Phase 4 Interventional Results available

Chewed Versus Integral Pill of Ticagrelor

NCT03708588
View directory record Official record
Conditions
Percutaneous Coronary Intervention
Interventions
Ticagrelor
Drug
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
18 Years to 89 Years
Enrollment
112 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2021
U.S. locations
1
States / cities
Milwaukee, Wisconsin
Source: ClinicalTrials.gov public record
Updated Oct 2, 2024 · Synced Sep 10, 2026, 12:49 AM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers

Role of 12-lipoxygenase in Platelet Reactivity and Type 2 Diabetes Mellitus

NCT02629497
View directory record Official record
Conditions
Thrombosis, Type 2 Diabetes Mellitus
Interventions
Primrose oil, Fish Oil
Dietary Supplement
Lead sponsor
University of Michigan
Other
Eligibility
21 Years to 70 Years · Female only
Enrollment
90 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2017
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated May 29, 2025 · Synced Sep 10, 2026, 12:49 AM EDT