Clinical trials: Platelets Dysfunction
Heart Diseases, Coronary Disease
CES1 Carriers in the PAPI Study
This study builds, in part, upon preliminary results generated as part of the Pharmacogenomics Anti-Platelet Intervention (PAPI) Study (NCT00799396).
- Conditions
- Heart Diseases, Coronary Disease, Coronary Artery Disease, Cardiovascular Diseases
- Trial name
- NCT03188705
- Testing
- Clopidogrel, Aspirin
- Where
- United States
- Volunteers
- 6 people, healthy volunteers welcome
- Sponsor
- University of Maryland, Baltimore
Myocardial Infarction, Thrombosis
CES1 Crossover Trial of Clopidogrel and Ticagrelor
The purpose of this investigation is to evaluate when genetic variation in the carboxylesterase 1 (CES1) gene influences antiplatelet therapy response, as assessed by ex vivo platelet aggregometry, in healthy participants treated…
- Conditions
- Myocardial Infarction, Thrombosis, Platelet Dysfunction
- Trial name
- NCT03161678
- Testing
- Clopidogrel, Ticagrelor
- Where
- United States
- Volunteers
- 111 people, healthy volunteers welcome
- Sponsor
- University of Maryland, Baltimore
Platelet Dysfunction Due to Drugs
Aspirin Resistance in Trinidad.
Aspirin's beneficial effect is mediated via the inhibition of arachidonic acid (AA) activation of platelets. It is detected by demonstrating a decrease in platelet function and/or a decrease in prostaglandin metabolites.
- Trial name
- ART (NCT06228820)
- Testing
- Aspirin 81Mg Ec Tab
- Where
- Trinidad and Tobago
- Volunteers
- 48 people, healthy volunteers welcome
- Sponsor
- The University of The West Indies
Thrombosis, Blood Coagulation Disorder
Dynamics of Platelet Activation in Patients With Ventricular Assist Device (VAD)
Consenting patients with end-stage heart failure that are implanted with/candidates for implant of a short-term/durable mechanical circulatory support device (e.g.: percutaneous microaxial pumps (Impella), extracorporeal membrane…
- Conditions
- Thrombosis, Blood Coagulation Disorder, Platelet Thrombus, Platelet Dysfunction Due to Aspirin
- Trial name
- PASVAD (NCT03255928)
- Testing
- PAS assay, TGT
- Where
- Italy
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Scientific Institute San Raffaele
Immune Thrombocytopenia, Thrombotic Thrombocytopenic Purpura
Longitudinal Cohort of Thrombosis and Hemostasis Diseases
This is a multicenter, prospective, longitudinal, observational cohort study to investigate thrombosis and hemostasis diseases in Chinese patients.
- Conditions
- Immune Thrombocytopenia, Thrombotic Thrombocytopenic Purpura, Hemophilia A, Acquired, Disseminated Intravascular Coagulation
- Trial name
- NCT06727669
- Where
- 5 sites in China
- Volunteers
- 3,000 people, healthy volunteers welcome
- Sponsor
- Peking University People's Hospital
Platelet Dysfunction in Blood Donors
Platelet Dysfunction in Blood Donors
Platelets are circulating blood cells. They bind to each other and to the damaged vessel wall to prevent excessive bllod loss. Unlike quantitative platelet defects, there is no automated, simple test to diagnose qualitative…
- Trial name
- DysPlaq (NCT03599219)
- Testing
- sample
- Where
- France
- Volunteers
- 1,500 people, healthy volunteers welcome
- Sponsor
- Etablissement Français du Sang
Drug Toxicity, Platelet Dysfunction
The Influence of Tramadol on Platelet Function
The aim of this ex-vivo study is to quantify the effect of tramadol on platelet aggregation.
- Conditions
- Drug Toxicity, Platelet Dysfunction, Clotting Disorder
- Trial name
- NCT05237492
- Testing
- Tramadol
- Where
- Austria
- Volunteers
- 33 people, healthy volunteers welcome
- Sponsor
- Medical University of Graz
Platelet Dysfunction
The Effect of Dapagliflozin on Platelet Function testinG Profiles in Diabetic PatiEnts.
Sodium GLucose Transport 2 inhibitors (SGLT2I), including dapagliflozin, reduce the likelihood of hospitalization for heart failure and death in persons with type 2 diabetes, of which the mechanism has not been fully elucidated.
- Trial name
- EDGE (NCT04400760)
- Testing
- DAPA Tx
- Where
- Trinidad and Tobago
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- The University of The West Indies
Platelet Dysfunction
The Effect of Cocoa on Platelet Function Profiles in Patients
The effects of chocolate on cardiovascular health are still a matter of debate. It can potentially favor cardiovascular health through the antioxidative effects of cocoa ingredients, such as polyphenols (present in dark but not…
- Trial name
- ECLAIR (NCT04554901)
- Testing
- Cocoa
- Where
- Trinidad and Tobago
- Volunteers
- 25 people, healthy volunteers welcome
- Sponsor
- The University of The West Indies
Platelet Dysfunction Due to Aspirin
Platelet Enzymatically Oxidized Phospholipids (eoxPL) Characterisation in a Healthy Cohort on and Off Aspirin
Healthy volunteers (n = 28) were recruited from the workplace (14 male, 14 female; age range 20-50 years). Ethical approval, which included informed consent, was from Cardiff University, Schools of Medicine and Dentistry Research…
- Trial name
- NCT05604118
- Testing
- Aspirin
- Where
- United Kingdom
- Volunteers
- 28 people, healthy volunteers welcome
- Sponsor
- Cardiff University
Platelet Dysfunction, Traumatic Brain Injury
Correcting Platelet Dysfunction After Traumatic Brain Injury
This study evaluates the impact of platelet transfusion on geriatric patients with platelet dysfunction from Traumatic Brain Injury.
- Trial name
- NCT03182946
- Testing
- Platelet mapping Thromboelastography
- Where
- United States
- Volunteers
- 147 people, healthy volunteers welcome
- Sponsor
- Wake Forest University Health Sciences
Bleeding, Platelet Dysfunction Due to Drugs
Reversal of Dual Antiplatelet Therapy With Cold Stored Platelets
This study aims to determine whether cold-stored platelets (CSP) are equally, more effective, or uniquely effective at reversing the effect of dual antiplatelet therapy in healthy human subjects compared to…
- Conditions
- Bleeding, Platelet Dysfunction Due to Drugs, Platelet Dysfunction
- Trial name
- R-DAPT (NCT03787927)
- Testing
- Autologous Platelet Transfusion (room-temperature-stored), Autologous Platelet Transfusion (cold-stored 5 days), Autologous Platelet Transfusion (cold-stored 10 days)
- Where
- United States
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Bloodworks
Platelet Dysfunction, Von Willebrand Diseases
Clinical Performance Evaluation of T-TAS 01 PL Chip
This study will measure primary hemostatic ability using the T-TAS 01 System with PL chip, with a comparison to clinical truth.
- Conditions
- Platelet Dysfunction, Von Willebrand Diseases, Healthy, Congenital Platelets Abnormality
- Trial name
- NCT03621020
- Testing
- T-TAS 01 PL Chip, PFA-100 Col/Epi and Col/ADP
- Where
- 6 sites in United States, France
- Volunteers
- 307 people, healthy volunteers welcome
- Sponsor
- Hikari Dx, Inc.
Platelet Dysfunction Due to Drugs
Platelet Function With Various Storage Techniques
Platelet function will be tested in individuals on antiplatelet medications to determine the optimal storage methodology.
- Trial name
- NCT03338660
- Testing
- Infusion of Platelets
- Volunteers
- healthy volunteers welcome
- Sponsor
- Northwell Health
Risk Factor, Cardiovascular, Platelet Dysfunction Due to Drugs
Study of AggreGuide A-100 (ADP) Assay
Study to evaluate the performance of the AggreGuide A-100 ADP assay for detection of platelet dysfunction caused by P2Y12 inhibitor antiplatelet therapy.
- Trial name
- NCT03111420
- Testing
- P2Y12 inhibitor, Platelet function test
- Volunteers
- 280 people, healthy volunteers welcome
- Sponsor
- Aggredyne, Inc.
Bleeding, Platelet Dysfunction
Platelet Glycoproteins in Inherited Thrombocytopathy: Association With Aggregation Studies and Bleeding Severity
Disorders of platelet function are characterized by variable mucocutaneous bleeding manifestations and excessive hemorrhage following surgical procedures or trauma.
- Trial name
- NCT03648190
- Testing
- Flowcytometry analysis of platelets surface receptors
- Where
- Egypt
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- Assiut University
Oxidative Stress Induction, Endothelial Dysfunction
Role of Traditional Cigarettes, Electronic and IQOS Cigarettes on Oxidative Stress.
Electronic cigarettes (E-cigarettes) and new heat-not-burn tobacco products such as IQOS®, an electronic device that heats a cigarette-like stick without combustion, are a modern and technological surrogate of traditional tobacco…
- Conditions
- Oxidative Stress Induction, Endothelial Dysfunction, Platelet Activation
- Trial name
- NCT03301129
- Testing
- Smoke
- Where
- Italy
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- University of Roma La Sapienza
Ticagrelor, Aspirin
Reversal of the Antiplatelet Effects of Ticagrelor in Combination With Aspirin, Using Normal Platelets
The specific objective of this study is to investigate the potential for normal platelets to reverse the inhibition of platelet aggregation in patients treated with ticagrelor in combination with aspirin.
- Conditions
- Ticagrelor, Aspirin, Platelet Dysfunction Due to Drugs, Transfusion
- Trial name
- REVSTARTS (NCT03005704)
- Testing
- Antiplatelet treatment
- Where
- Canada
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- Hamilton Health Sciences Corporation
Platelets Dysfunction, Hematological Diseases
Daily Ginger Drinking and Platelet Function
This study aims to examine the effect of ginger beverage consumption on platelets activity in apparently healthy Saudi adult volunteers.
- Trial name
- NCT02882776
- Testing
- Ginger drink
- Where
- Saudi Arabia
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- King Abdullah International Medical Research Center
Platelet Dysfunction Due to Aspirin
Genotypic and Phenotypic Correlates of Resistance to Aspirin
The study seeks to identify genomic markers associated with aspirin resistance.
- Trial name
- ARSENAL (NCT01361620)
- Testing
- aspirin
- Where
- United States
- Volunteers
- 190 people, healthy volunteers welcome
- Sponsor
- George Washington University