Clinical trials: Blood Platelets
Healthy, Primary Immune Thrombocytopenia
A First in HumanTrial to Evaluate The Safety, Tolerability, And Pharmacokinetics Of PF-06755347
This phase 1 single ascending dose study will provide a first in human assessment of safety and tolerability of PF-06755347 in healthy adult males as well as adult males and females with Immune Thrombocytopenia (ITP).
- Conditions
- Healthy, Primary Immune Thrombocytopenia, Polyradiculoneuropathy, Chronic Inflammatory Demyelinating
- Trial name
- NCT03275740
- Testing
- PF-06755347 intravenous healthy participant, PF-06755347 subcutaneous healthy participant, PF-06755347 subcutaneous ITP
- Where
- 6 sites in United States, Belgium and 3 more
- Volunteers
- 58 people, healthy volunteers welcome
- Sponsor
- Pfizer
Healthy Volunteers
Evaluation of Trima Version 7.0 Platelets in 100% Plasma
To verify that platelets collected on the Trima Accel system with Version 7.0 software enhancements and stored in 100% plasma meet the FDA requirements for leukoreduction (< 5.0 × 10^6 residual white blood cells [WBC] per…
- Trial name
- NCT02754492
- Testing
- Trima Accel System with Version 7.0 Software
- Where
- 7 sites in United States
- Volunteers
- 334 people, healthy volunteers welcome
- Sponsor
- Terumo BCT
Healthy Volunteers
Vorapaxar in the Human Endotoxemia Model
Vorapaxar is a recently approved protease activated receptor - 1 (PAR-1) inhibitor. Platelet inhibition may also exert positive results on coagulation activation and may beneficially influence the inflammatory response.
- Trial name
- NCT02875028
- Testing
- Vorapaxar, LPS
- Where
- Austria
- Volunteers
- 16 people, healthy volunteers welcome
- Sponsor
- Medical University of Vienna
Inhibition of Platelet Aggregation by Incretins
Effects of Incretins on Human Platelet Function
Novel drugs for the treatment of patients with diabetes are of interest for cardiologists if they reduce the risk of cardiovascular events.
- Trial name
- NCT01408862
- Testing
- venous puncture
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- National Council of Scientific and Technical Research, Argentina
COPD, Emphysema
Anti-Platelets in Chronic Obstructive Pulmonary Disease
This is a 6 week crossover study in current and former smokers with and without COPD to evaluate whether 2 weeks of dual antiplatelet therapy (aspirin 81mg and clopidogrel 75mg) improves pulmonary perfusion (i.e.
- Conditions
- COPD, Emphysema, Emphysema or COPD
- Trial name
- NCT05567562
- Testing
- dual anti-platelet therapy
- Where
- United States
- Volunteers
- 15 people, healthy volunteers welcome
- Sponsor
- Brigham and Women's Hospital
Immune Thrombocytopenic Purpura (ITP)
Safety and Tolerability of M254 in Healthy Volunteers and Immune Thrombocytopenic Purpura (ITP) Patients
The purpose of this study is to assess safety, tolerability, pharmacokinetics, and pharmacodynamics of M254 after administration of a single ascending dose and repeat doses in healthy volunteers and immune thrombocytopenic…
- Trial name
- NCT03866577
- Testing
- Biological: M254, Intravenous immunoglobulin (IVIg)
- Where
- 28 sites in United States, Belgium and 5 more
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- Momenta Pharmaceuticals, Inc.
Healthy Volunteers
In Vivo Recovery and Survival Study of Platelets Collected on Trima Accel System and Stored in InterSol Solution
The purpose of this study is to evaluate the quality of platelets collected on the Trima Accel system after storage for 5 days in a Platelet Additive Solution (PAS), called InterSol.
- Trial name
- NCT03097289
- Testing
- Trima Accel system
- Where
- 2 sites in United States
- Volunteers
- 33 people, healthy volunteers welcome
- Sponsor
- Terumo BCT
Healthy Volunteers
In Vitro Study of Platelets Collected on Trima Accel System and Stored in InterSol Solution
This study sought to verify that the in vitro quality (functional assays) of platelets collected on the Trima Accel system, Version 6.4, diluted in InterSol Solution, and stored for 1, 5, and 7 days meet FDA requirements.
- Trial name
- NCT02298842
- Testing
- Platelets stored in InterSol, Platelets stored in Plasma
- Where
- 2 sites in United States
- Volunteers
- 87 people, healthy volunteers welcome
- Sponsor
- Terumo BCT
Healthy
Feasibility Study of Mirasol-Treated Whole Blood Red Cell Recovery and Survival
Feasibility trial to evaluate recovery and survival of red blood cells (RBCs) from Mirasol-treated whole blood
- Trial name
- IMPROVE (NCT00742001)
- Testing
- Mirasol System for Whole Blood.
- Where
- United States
- Volunteers
- 12 people, healthy volunteers welcome
- Sponsor
- Terumo BCTbio
Cardiovascular Disease, Bleeding
Lovaza's Effect on the Activation of Platelets
This study is to determine the effects of Lovaza in platelet function studies
- Trial name
- LEAP (NCT00515541)
- Testing
- Lovaza
- Volunteers
- 43 people, healthy volunteers welcome
- Sponsor
- Invitrox
Analgesia, Obstetrical, Coagulation Defect; Postpartum
IV Ketorolac on Platelet Function Post-Cesarean Delivery
Cesarean delivery has become the most common surgical procedure in the US. Non-steroidal anti-inflammatory drugs (NSAIDs) have been shown to improve the quality of post-cesarean analgesia and markedly reduce opioid consumption.
- Conditions
- Analgesia, Obstetrical, Coagulation Defect; Postpartum, Nonsteroidals (NSAIDs)Toxicity, Postpartum Hemorrhage
- Trial name
- KetoPltAgg (NCT03805607)
- Testing
- Ketorolac Tromethamine 30 MG/ML
- Where
- United States
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Beth Israel Deaconess Medical Center
Osteoarthritis
Blood Loss Reduction After Total Knee Arthroplasty. Comparison Topical Tranexamic Acid vs Platelet Rich Plasma
The investigators will include patients who will be schedule for total knee arthroplasty with a diagnosis of osteoarthritis. The patients will be divided in two groups.
- Trial name
- NCT02650856
- Testing
- Group 1 Tranexamic Acid, Group 2 Platelet rich plasma
- Where
- Mexico
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Universidad Autonoma de Nuevo Leon
Metabolism of Clopidogrel
Clopidogrel Pharmacogenetics (PGX) Bench to Bedside
Clopidogrel (also known as Plavix) is used commonly in patients to prevent heart attacks and conditions caused by blood clots. Although clopidogrel works in many individuals, some people do not respond as well to this drug.
- Trial name
- PGXB2B (NCT01341600)
- Testing
- Clopidogrel, Omeprazole/Clopidogrel
- Where
- United States
- Volunteers
- 18 people, healthy volunteers welcome
- Sponsor
- University of Maryland, Baltimore
Obstetric Labor Complications, Preeclampsia
Platelet Count Trends in Pre-eclamptic Parturients
Thrombocytopenia (platelet count < 100,000/mL) occurs in approximately 15% of women with preeclampsia. Neuraxial analgesia is contraindicated in parturients with a coagulopathy; therefore, the platelet count(PC) is routinely…
- Conditions
- Obstetric Labor Complications, Preeclampsia, Thrombocytopenia
- Trial name
- NCT00787241
- Where
- United States
- Volunteers
- 445 people, healthy volunteers welcome
- Sponsor
- Northwestern University
Chronic Kidney Disease
Whole Blood Platelet Aggregation in Chronic Kidney Disease Patients on Aspirin Study
Higher coronary in-stent thromboses and bleeding complications on anti-platelet agents are more common in Chronic Kidney Disease vs. non-Chronic Kidney Disease patients.
- Trial name
- WiCKDonASA (NCT01768637)
- Testing
- Aspirin, Clopidogrel
- Where
- United States
- Volunteers
- 48 people, healthy volunteers welcome
- Sponsor
- University of Texas Southwestern Medical Center
Atherosclerosis
Arterial Function and Atherosclerosis in Essential Thrombocythemia
The aim of the study is to examine (a) whether patients with JAK2 V617F positive ET in comparison to age-and sex-matched, apparently healthy control subjects show more advanced progression of arterial stiffness, pulse-wave…
- Trial name
- NCT03828422
- Testing
- imaging
- Volunteers
- 82 people, healthy volunteers welcome
- Sponsor
- University Medical Centre Ljubljana
Gingival Bleeding, Von Willebrand Diseases
Gingival Bleeding and Von Willebrand Disease Typ 2 and 3
Von Willebrand disease (VWD) is the most common inherent bleeding disorder resulting in prolonged bleeding time. Gingival bleeding is a frequently reported symptom of VWD.
- Trial name
- NCT03078595
- Where
- 2 sites in Germany
- Volunteers
- 48 people, healthy volunteers welcome
- Sponsor
- Goethe University
Wiskott-Aldrich Syndrome, Thrombocytopenia
Thrombocytopenia and Bleeding in Wiskott-Aldrich Syndrome (WAS) Patients
The purpose of this project is to describe the pathophysiology of thrombocytopenia and bleeding in patients with Wiskott-Aldrich Syndrome (WAS) and determine the response to thrombopoietic agents in vitro and in vivo.
- Conditions
- Wiskott-Aldrich Syndrome, Thrombocytopenia, Bleeding
- Trial name
- WAS (NCT00909363)
- Testing
- Promacta, blood drawing in patients with WAS, blood drawing in healthy controls
- Where
- United States
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- Weill Medical College of Cornell University
Blood Safety
Survival and Recovery of Radio-labeled Platelets Derived From Mirasol-treated Whole Blood
A total of twelve healthy volunteers will donate one unit of fresh whole blood. This unit will be treated with the Mirasol Pathogen Reduction Technology for Whole blood and then stored for 24h.
- Trial name
- Medic (NCT02330081)
- Testing
- Mirasol treatment of whole blood
- Where
- Norway
- Volunteers
- 22 people, healthy volunteers welcome
- Sponsor
- Terumo BCTbio
Immune Thrombocytopenia
Eltrombopag and the Bcl-extra-large (xL) Pathway in Idiopathic Thrombocytopenic Purpura (ITP)
The purpose of this study is to further evaluate the effects that eltrombopag (and romiplostim) have on platelets in subjects with chronic ITP.
- Trial name
- NCT00902018
- Testing
- Eltrombopag, Romiplostim, healthy controls
- Where
- United States
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Weill Medical College of Cornell University