Clinical trials: Platelet Function Tests
Stroke, Cerebral Infarction
Platelet Hyperreactivity to Aspirin and Stroke
STUDY QUESTIONS What is the real prevalence of platelet "resistance" to aspirin during the acute phase of stroke and after 3 months, and 1 year, as measured using different platelet function tests? Do all methods measure similar…
- Conditions
- Stroke, Cerebral Infarction, Cardiovascular Diseases, Vascular Diseases
- Trial name
- PLARAS (NCT00766896)
- Testing
- Aspirin (platelet sensitive versus platelet hyperreactivity)
- Where
- Brazil
- Volunteers
- 203 people
- Sponsor
- University of Sao Paulo
Platelet Dysfunction Due to Drugs
The Effects of loW Dose tIcagrelor on Platelet Function Testing in Patients With Stable Coronary arTery Disease
This study aims to assess the effects of low dose ticagrelor on platelet function testing in patients with stable coronary artery disease.
- Trial name
- TWIST (NCT04206176)
- Testing
- Ticagrelor
- Where
- Trinidad and Tobago
- Volunteers
- 25 people
- Sponsor
- The University of The West Indies
Acute Coronary Syndrome
Continuous Clopidogrel Dose Adjustment in Acute Coronary Syndrome Patients With High On-treatment Platelet Reactivity
The purpose of this study is to determine whether continuous clopidogrel dose adjustment targeted after platelet function testing improves outcomes during 12 months of follow-up in acute coronary syndrome patients treated with…
- Trial name
- NCT02096419
- Testing
- Clopidogrel dose adjustment
- Where
- Croatia
- Volunteers
- 87 people
- Sponsor
- University of Zagreb
Myocardial Infarction
The Effects of Lovaza® in Acute Myocardial Infarction
This study will explore the safety and effectiveness of adding Lovaza® to the therapeutic program utilized internationally for the treatment of individuals with acute coronary syndromes.
- Trial name
- OmegaMI (NCT01155336)
- Testing
- Lovaza®
- Where
- United States
- Volunteers
- 4 people
- Sponsor
- University of Rochester
Platelet Aggregation, Coronary Artery Disease
Comparison of the VerifyNow® Aspirin Test and PRUTest® Platelet Reactivity Tests With Investigational Reagent to Reagents Registered in Japan
This is a multi-center convenience sample prospective study comparing the results of the Verify Now® Aspirin Test and PRUTest® Platelet Reactivity Tests with the Japan investigational reagents to reagents registered in Japan in…
- Trial name
- NCT03615846
- Where
- 2 sites in United States
- Volunteers
- 147 people
- Sponsor
- Accriva Diagnostics
Healthy
Pharmacodynamics of CGT 2168 Compared With Plavix®
CG106 is a Phase I open-label, randomized, multiple-dose, two-way crossover study to characterize the pharmacodynamics and pharmacokinetics of the investigational fixed-dose combination product CGT 2168 (clopidogrel, 75 mg and…
- Trial name
- NCT00620802
- Testing
- CGT-2168, Plavix
- Where
- United States
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Cogentus Pharmaceuticals
Congenital Heart Defect, Blood Coagulation Disorder
Bedside Evaluation of Coagulation in Children With Congenital Heart Disease
The purpose of this study is to assess coagulation and platelet function in children with congenital heart disease, measured with a bedside device (thromboelastometry and impedance aggregometry).
- Trial name
- POCHEMO (NCT02387944)
- Where
- Switzerland
- Volunteers
- 200 people
- Sponsor
- Centre Hospitalier Universitaire Vaudois
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
Ischemic Stroke
Clopidogrel Response in Acute Ischemic Stroke
The aim of this study was to determine the prevalence rate and risk factors for chemical laboratory clopidogrel low-response (CLR) in the acute phase after an ischemic stroke.
- Trial name
- Bo-CRISP (NCT01846572)
- Volunteers
- 159 people
- Sponsor
- Ruhr University of Bochum
Ischemic Stroke, Transient Ischemic Attack
Platelet Aggregation Function-Guided De-Escalation Antiplatelet Therapy in Patients With Acute Ischemic Stroke
This multicenter, prospective, open-label, randomized controlled trial will evaluate whether platelet aggregation function-guided de-escalation of antiplatelet therapy is non-inferior in efficacy and superior in safety compared…
- Trial name
- PATH STROKE D (NCT07644234)
- Testing
- Clopidogrel, Aspirin
- Where
- China
- Volunteers
- 3,836 people
- Sponsor
- Sichuan Provincial People's Hospital
Advanced Epithelial Ovarian Cancer
Comparison of Weekly Versus Every Three Weeks of Carboplatin Plus Paclitaxel in Patients With Advanced Epithelial Ovarian Cancer
The aim of the current study is to compare weekly versus three-week collective of carboplatin/paclitaxel in advanced epithelial ovarian cancer.
- Trial name
- NCT05963334
- Testing
- Carboplatin/paclitaxel
- Where
- Egypt
- Volunteers
- 49 people
- Sponsor
- Cairo University
Oculocerebrorenal Syndrome
Study of the Pathophysiological Mechanisms Involved in Bleeding Events
Lowe syndrome is associated with mutations in the OCRL1 gene, which encodes OCRL1, a phosphatidylinositol-4, 5-bisphosphate (PtdIns(4, 5)P (2))5-phosphatase.
- Trial name
- LOWE (NCT01314560)
- Testing
- Blood sample
- Where
- France
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Assistance Publique - Hôpitaux de Paris
Acute Coronary Syndrome, Platelet Function and Reactivity Tests
Aspirin Impact on Platelet Reactivity in Acute Coronary Syndrome Patients on Novel P2Y12 Inhibitors Therapy
Thus far, no study has evaluated the impact on aspirin in addition to the newer and more potent P2Y12 inhibitors, among ACS patients and current guidelines recommend dual anti-platelet therapy consisting of aspirin and a novel…
- Conditions
- Acute Coronary Syndrome, Platelet Function and Reactivity Tests, Novel P2Y12 Inhibitors
- Trial name
- NCT02049762
- Testing
- Aspirin
- Where
- Israel
- Volunteers
- 29 people
- Sponsor
- Sheba Medical Center
Atherosclerosis, Angioplasty
Resistance to Antithrombotic Therapy
Clopidogrel plays a pivotal role in the antithrombotic regimen after percutaneous intervention with stent implantation. However, response to clopidogrel shows a wide interindividual variability and a high on-treatment residual…
- Trial name
- Vienna REACT (NCT00858715)
- Testing
- aspirin, clopidogrel
- Where
- Austria
- Volunteers
- 46 people
- Sponsor
- Medical University of Vienna
Acute Coronary Syndromes
Study to Learn When Platelets Return to Normal After One Loading Dose of Anti-platelet Drugs in Patients With Symptoms of Acute Coronary Syndromes
To investigate how platelets recover to normal function in subjects who have symptoms of a heart attack or unstable angina and who get a loading dose of prasugrel or clopidogrel for planned coronary angiography.
- Trial name
- NCT01107899
- Testing
- clopidogrel, prasugrel
- Where
- Germany
- Volunteers
- 29 people
- Sponsor
- Eli Lilly and Company
Platelet Function Test
Effect of Herbal Products on Platelet Function and Clotting
This is a research study on the effect of some commonly used "blood activating" herbal products on platelet function and coagulation profile, ie whether it causes an increase in bleeding tendency, either used alone or in…
- Trial name
- NCT02008981
- Testing
- Curcuma longa, Angelica sinensis, Siwu Tang
- Where
- Singapore
- Volunteers
- 75 people, healthy volunteers welcome
- Sponsor
- Singapore General Hospital
Cardiovascular Diseases, Atherosclerosis
Aspirin Dose and Atherosclerosis in Patients With Heart Disease
The purpose of the study is to test higher versus lower doses of aspirin on markers of atherosclerosis in patients who have had a heart attack.
- Conditions
- Cardiovascular Diseases, Atherosclerosis, Myocardial Infarction
- Trial name
- TAD (NCT00272337)
- Testing
- Aspirin
- Where
- 2 sites in United States
- Volunteers
- 37 people, healthy volunteers welcome
- Sponsor
- Florida Atlantic University
Platelet Function Tests, Predictive Value of Tests
Risk Stratification Post TAVI Using TEG
Transcatheter aortic valve implantation (TAVI) has become the standard of care in elderly patients at increased risk for surgical aortic valve replacement . However, the optimal antithrombotic strategy post TAVI is still unclear.
- Conditions
- Platelet Function Tests, Predictive Value of Tests, Thrombelastography, Cardiovascular Diseases
- Trial name
- RISTRATAVI (NCT03649594)
- Where
- Germany
- Volunteers
- 100 people
- Sponsor
- Torben Pottgiesser
Coronary Artery Disease, High On-treatment Platelet Reactivity (HTPR)
Effect of Two Weeks of Low-Dose Apixaban on Platelet Reactivity in Patients With Stable Coronary Artery Disease on Dual Antiplatelet Therapy (Aspirin and Clopidogrel)
The goal of this clinical trial is to learn whether a low dose of apixaban, a blood-thinning medicine, changes how active the platelets are in adults with stable coronary artery disease who are already taking aspirin and…
- Trial name
- ACER (NCT07853612)
- Testing
- Apixaban
- Where
- Trinidad and Tobago
- Volunteers
- 16 people
- Sponsor
- The University of The West Indies
Unruptured Intracranial Aneurysm, Stents
Application of Platelet Function Test in Prevention of Ischemic Events After Stent Placement in Intracranial Aneurysms
This study was designed to identify high platelet reactivity (HPR) who might have in-stent thrombosis in unruptured aneurysm with intracranial stent placement with light transmittance platelet aggregometry (LTA).
- Conditions
- Unruptured Intracranial Aneurysm, Stents, Antiplatelet Drugs
- Trial name
- APISIA Trail (NCT03989557)
- Testing
- Aspirin and clopidogrel/Ticagrelor, Light transmittance aggregometry
- Where
- China
- Volunteers
- 314 people
- Sponsor
- Beijing Neurosurgical Institute