Clinical trials: Blood Platelets
Platelet Aggregation, Blood Transfusion
Validation of a Red Blood Cell Transfusion Prediction Model in a Low Transfusion Rate Population.
The transfusion risk and clinical knowledge (TRACK) allogeneic blood transfusion prediction model was developed more than ten years ago and demonstrated good discriminative ability in patients with increased risk for allogeneic…
- Trial name
- TRACK-TCT (NCT05581238)
- Testing
- TRACK-TCT
- Where
- Netherlands
- Volunteers
- 6,428 people, healthy volunteers welcome
- Sponsor
- Medisch Spectrum Twente
Healthy
Mechanism of Dipyridamole Action in Platelets: in Vivo Study With Healthy Volunteers
Investigation of the mechanism of dipyridamole action in platelets in an in-vivo study with healthy volunteers treated Aggrenox in comparison with volunteers treated with Persantin Retard or Acetylsalicylic Acid using platelet…
- Trial name
- NCT02226926
- Testing
- Aggrenox, Persantin Retard, Acetylsalicylic acid
- Volunteers
- 15 people, healthy volunteers welcome
- Sponsor
- Boehringer Ingelheim
Musculoskeletal Pain, Osteoarthritis
Testing the Characteristics of Platelet Rich Plasma in Sports Medicine
This is an observational study that evaluates the characteristics of Platelet Rich Plasma used in the therapy and treatment of musculoskeletal injuries and degenerative joint diseases.
- Trial name
- PRiSM (NCT02726464)
- Where
- Canada
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- University of British Columbia
Osteoarthritis of Subtalar Joint
The Efficacy of Platelets Rich Plasma Injection With PRGF Method in the Treatment for Osteoarthritis of the Subtalar Joint
The investigators will try to find any efficacy of platelet rich plasma injection for the treatment of osteoarthritis (OA) in the subtalar joint.
- Trial name
- NCT01422460
- Testing
- Platelet Rich Plasma
- Where
- Israel
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Meir Medical Center
Healthy Volunteers
Evaluation of Trima Version 7.0 Platelets in PAS
To verify that platelets collected on the Trima Accel system with Version 7.0 software enhancements and stored in platelet additive solution (PAS) meet the FDA requirements for leukoreduction (< 5.0 × 10^6 residual white blood…
- Trial name
- NCT02754440
- Testing
- Trima Accel System with Version 7.0 Software
- Where
- 7 sites in United States
- Volunteers
- 365 people, healthy volunteers welcome
- Sponsor
- Terumo BCT
Hemostasis, Blood Biomarkers
Ultrasound of the Spleen Utilizing Low-energy (Diagnostic Level) Insonification.
This is a three-cohort, randomized, double-blinded , sham-controlled, single-center, early feasibility research trial to determine whether organ-specific biologic effects on platelet activity and coagulation are achievable…
- Conditions
- Hemostasis, Blood Biomarkers, Ultrasound
- Trial name
- NCT06934096
- Testing
- Ultrasound Pulsed Doppler Imaging System
- Where
- United States
- Volunteers
- 39 people, healthy volunteers welcome
- Sponsor
- Northwell Health
Hematologic Disease and Disorders, Donors
Screening for Hematology Branch Protocols
This study allows the evaluation of subjects in order to determine their ability to safely participate in other active research studies.
- Conditions
- Hematologic Disease and Disorders, Donors, Healthy Volunteer
- Trial name
- NCT00001620
- Where
- United States
- Volunteers
- 10,000 people, healthy volunteers welcome
- Sponsor
- National Heart, Lung, and Blood Institute (NHLBI)
Immune Thrombocytopenia (ITP)
Longitudinal Observational Study on Immune Thrombocytopenia
Immune Thrombocytopenia (ITP) is a bleeding disorder characterized by immune-mediated destruction and/or impaired production of platelets, leading to clinical manifestations such as petechiae, purpura, mucosal bleeding, and in…
- Trial name
- NCT07068425
- Where
- China
- Volunteers
- 2,000 people, healthy volunteers welcome
- Sponsor
- Peking University People's Hospital
Healthy
Assessment of Whole Blood Cold Stored Platelets
The purpose of this study is to determine the life span and functional characteristics of platelets derived from whole blood that has been stored in a refrigerator for up to 21 days.
- Trial name
- Brrr (NCT02006368)
- Testing
- Blood Collection and autologous re-infusion
- Where
- United States
- Volunteers
- 31 people, healthy volunteers welcome
- Sponsor
- Bloodworks
Obesity
25-Hydroxyvitamin D Levels Are Negatively Associated With Platelets Number in a Cohort of Overweight and Obese Subjects
This study was aimed to investigate the associations between platelet number and 25(OH)D serum concentration in apparently healthy but overweight/obese subjects.
- Trial name
- NCT04133441
- Where
- Italy
- Volunteers
- 341 people, healthy volunteers welcome
- Sponsor
- Azienda Ospedaliera Specializzata in Gastroenterologia Saverio de Bellis
Coronary Artery Disease, Acute Coronary Syndrome
Platelet Acetyl Coenzyme A Carboxylase Phosphorylation in Coronary Artery Disease
In human purified platelets, only thrombin, and not the other platelet agonists, leads to a transient activation of the protein kinase activated by AMP (AMPK) and to phosphorylation of its "bona fide" substrate, ACC on its Ser79.
- Conditions
- Coronary Artery Disease, Acute Coronary Syndrome, Coronary Thrombosis
- Trial name
- ACCTHEROMA (NCT03034148)
- Testing
- Platelet Acetyl Coenzyme A Carboxylase analysis in CAD
- Where
- Belgium
- Volunteers
- 188 people, healthy volunteers welcome
- Sponsor
- Cliniques universitaires Saint-Luc- Université Catholique de Louvain
Idiopathic Thrombocytopenic Purpura
A Study in Healthy Subjects to Evaluate Bioavailability of 4 Formulations of E5501
This is a study in healthy subjects. There are two parts to the study. In the first part of the study each subject will receive a single 10mg dose of each of the four formulations of E550.
- Trial name
- NCT01549054
- Testing
- 10-mg dose of E5501 2G tablet, 10-mg dose of E5501 cyclodextrin oral solution, 10-mg dose of E5501-P21% powder
- Where
- United Kingdom
- Volunteers
- 28 people, healthy volunteers welcome
- Sponsor
- Eisai Inc.
Neutropenia, Thrombocytopenia
Effects of Levetiracetam Monotherapy on Various Hematological Parameters in Adult Patients Suffering of Epilepsy
Low therapeutic index of established antiepileptic drugs (AEDs) coupled with better understanding of the pathophysiology of seizure has encouraged the development of several novel AEDs.
- Conditions
- Neutropenia, Thrombocytopenia, Aplastic Anemia, Anemia
- Trial name
- NCT06491303
- Volunteers
- 45 people, healthy volunteers welcome
- Sponsor
- Assiut University
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
Blood Platelet Disorder, BRAF V600E
Preoperative Hemogram Parameters and BRAF Molecular Test Detected by Bethesda 3 Cytology.
The main hypothesis of this study is that preoperative hemogram parameters can be used as biomarkers for malignancy in patients with thyroid nodule Bethesda 3 cytology.
- Conditions
- Blood Platelet Disorder, BRAF V600E, Thyroid Nodule, Cytologic Atypia
- Trial name
- Bethesda3 (NCT06539702)
- Where
- Turkey (Türkiye)
- Volunteers
- 120 people, healthy volunteers welcome
- Sponsor
- Saglik Bilimleri Universitesi
Postoperative Thromboembolism
Effect of Tumescent Lidocaine on Platelet Function
The purpose of this study is to evaluate the effect of lidocaine, delivered into subcutaneous tissue for tumescent local anesthesia, on platelet activation following the tumescent liposuction.
- Trial name
- NCT01463280
- Testing
- tumescent lidocaine infiltration
- Where
- United States
- Volunteers
- 129 people, healthy volunteers welcome
- Sponsor
- Klein, Jeffrey A., M.D.
Immune Thrombocytopenic Purpura
Efficacy of Rapamycin Therapy With Chronic Immune Thrombocytopenia
The aim of our study is to evaluate the efficacy of rapamycin with Refractory Immune Thrombocytopenic Purpura (RITP) and explore the further mechanism.
- Trial name
- ITP (NCT01672151)
- Testing
- rapamycin
- Where
- China
- Volunteers
- 35 people, healthy volunteers welcome
- Sponsor
- First Affiliated Hospital of Suzhou Medical College
Healthy Subjects, Hypomagnesemia
The Absorption of Magnesium Oxide Compared to Citrate in Healthy Subjects
The magnesium food content in the Western world is consistently reducing. Hypomagnesemia is common in hospitalized patients, especially in the elderly with coronary artery disease (CAD) and/or those with chronic heart failure.
- Trial name
- NCT00994006
- Testing
- Magnesium oxide, Magnesium citrate
- Where
- Israel
- Volunteers
- 41 people, healthy volunteers welcome
- Sponsor
- Sheba Medical Center
Primary Immune Thrombocytopenia
The Safety and Tolerability of STSA-1301 Subcutaneous Injection in Healthy Subjects
A randomized, double-blind, placebo-controlled, single-ascending dose, phase Ia study to evaluate the safety, tolerability, pharmacokinetic, pharmacodynamics, and immunogenicity of STSA-1301 Subcutaneous Injection in healthy…
- Trial name
- NCT06148389
- Testing
- STSA-1301 subcutaneous injection
- Where
- China
- Volunteers
- 36 people, healthy volunteers welcome
- Sponsor
- Staidson (Beijing) Biopharmaceuticals Co., Ltd
Gingival Recession
Evaluation of Esthetic Root Coverage Using Platelet-Rich Fibrin Versus Subepithelial Connective Tissue Graft With Vestibular Incision Subperiosteal Tunnel Access in Multiple Gingival Recessions
Patients with gingival recession, complain of excessive tooth length that affects their appearance during smiling or functioning.
- Trial name
- NCT03588052
- Testing
- VISTA using PRF, VISTA using SCTG
- Volunteers
- 28 people, healthy volunteers welcome
- Sponsor
- Cairo University