Clinical trials: Red Blood Cell Disorder
Blood Coagulation, Platelet Function
Effect of Exosomes Derived From Red Blood Cell Units on Platelet Function and Blood Coagulation
This study is designed to analyze the effect exosomes derived from red blood cell units have on blood coagulation and platelet function. It is an in vitro study using healthy volunteers' blood.
- Trial name
- NCT02594345
- Testing
- in vitro study
- Where
- Germany
- Volunteers
- 18 people, healthy volunteers welcome
- Sponsor
- Johann Wolfgang Goethe University Hospital
Hypoxia, Erythropoiesis
Effects of Intermittent Hypoxia Training With Iron Supplementation on Red Blood Cells and Iron Levels in Trained Athletes
This study investigates how training under conditions of reduced oxygen (intermittent hypoxia) affects the body's ability to produce red blood cells and manage iron levels, compared to training under normal oxygen conditions.
- Conditions
- Hypoxia, Erythropoiesis, Iron Metabolism Disorders
- Trial name
- IHIT-IRON (NCT07720960)
- Testing
- Control group (CG), Hypoxia group (HG): trained at simulated altitudes between 4,450 and 5,850 m
- Where
- Spain
- Volunteers
- 32 people, healthy volunteers welcome
- Sponsor
- Néstor Vicente-Salar
Congenital Adrenal Hyperplasia, Familial Hyperinsulinemic Hypoglycemia 1
Baby Detect : Genomic Newborn Screening
Newborn screening (NBS) is a global initiative of systematic testing at birth to identify babies with pre-defined severe but treatable conditions.
- Conditions
- Congenital Adrenal Hyperplasia, Familial Hyperinsulinemic Hypoglycemia 1, Phosphoglucomutase 1 Deficiency, Maturity Onset Diabetes of the Young
- Trial name
- BabyDetect (NCT05687474)
- Where
- Belgium
- Volunteers
- 6,824 people, healthy volunteers welcome
- Sponsor
- Centre Hospitalier Universitaire de Liege
Sickle Cell Disease
Nano-rheological Biomarkers for Patients With Sickle Cell Disease (SCD) Versus Control Subjects (Other Constitutional Red Blood Cell Diseases and Healthy Subjects)
Numerous pathologies (sickle cell disease, thalassemia, spherocytosis, etc.) lead to changes in the rheological properties of the blood, in particular via alterations in the deformability of red blood cells.
- Trial name
- DREPNANO (NCT05530239)
- Testing
- Blood sample collection
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- University Hospital, Grenoble
Healthy Volunteer Red Blood Cell Labeling Study; Not Disease Focused
Comparative Analysis of Biotinylated, Irradiated and 51-Chromium Radiolabeled Red Blood Cells for Analysis of Recovery and Survival After Autologous Transfusion
This research is being done to compare the red blood circulation survival in healthy adult volunteers between the 51 chromium (51Cr) red blood cell (RBC) labeling method and the Biotin (BioRBC) red blood cell (RBC) labeling…
- Trial name
- NCT07446647
- Testing
- Biotinylated Red Blood Cells (BioRBC), Irradiated Biotinylated Red Blood Cells (Irradiated BioRBC), 51 Chromium Labeled Red Blood Cells (51Cr RBC)
- Where
- 2 sites in United States
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Jose Cancelas
Sickle Cell Disease
A Study to Compare if the Uptake of Ticagrelor in the Body Differs When Different Tablets Are Administered
To evaluate the relative bioavailability of ticagrelor for the different formulations. A randomized cross-over design has been chosen to minimize the effects of between-subject variability and any period effects on the overall…
- Trial name
- NCT03126695
- Testing
- Ticagrelor granule, Ticagrelor pediatric tablets, Ticagrelor pediatric tablets suspended in water
- Where
- Germany
- Volunteers
- 44 people, healthy volunteers welcome
- Sponsor
- AstraZeneca
Anemia
Safety Study of ECO Conversion System For Red Blood Cells.
The purpose of this study is to demonstrate that small amounts of a person's own red cells, when treated with an enzyme to make A-ECO Red Blood Cells, can be safely re-infused, repeatedly.
- Trial name
- NCT00261274
- Testing
- A-ECO, Saline
- Where
- 6 sites in United States
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Velico Medical
Chronic Kidney Disease, End-Stage Renal Failure
Cohort Study to Determine the Long-Term Safety and Efficacy of Biogeneric Epoetin Treatment for Renal Anemia
The purpose of this study is to establish the long-term safety and efficacy of Biogeneric Epoetin, the attainability of therapeutic target for anaemia management, and the impact of Epoetin treatment on long-term health outcome…
- Conditions
- Chronic Kidney Disease, End-Stage Renal Failure, Anaemia
- Trial name
- NCT00238043
- Testing
- Biogeneric Epoetin
- Where
- 14 sites in Malaysia
- Volunteers
- 2,000 people, healthy volunteers welcome
- Sponsor
- Ministry of Health, Malaysia
Anemia
Well Being of Obstetric Patients on Minimal Blood Transfusions
Postpartum haemorrhage (PPH) is one of the top five causes of maternal mortality in developed and developing countries. The most important treatment of PPH is red blood cell (RBC) transfusion.
- Trial name
- WOMB (NCT00335023)
- Testing
- Red blood cell transfusion
- Where
- Netherlands
- Volunteers
- 500 people, healthy volunteers welcome
- Sponsor
- Sanquin Research & Blood Bank Divisions
Clinical Safety of a PBM Program
The German Patient Blood Management Network
This epidemiological trial will determine whether the implementation of a PBM program is safe and effective in terms of clinical outcome compared to a pre-implementation cohort Primary endpoint is a composite outcome comprising…
- Trial name
- NCT02147795
- Where
- 2 sites in Germany
- Volunteers
- 1,000,000 people, healthy volunteers welcome
- Sponsor
- Johann Wolfgang Goethe University Hospital
Transfusions
Impact of Feeding on Pro-Inflammatory Cytokine Response in Neonates Receiving a RBC Transfusion
Prior to a non-urgent blood transfusion, subjects will be randomized to either stopping feeds or continuing feeds. The intervention group will be the placement of a subject in the NPO group.
- Trial name
- NCT01949896
- Testing
- NPO, Control group: continue feedings
- Where
- United States
- Volunteers
- 12 people, healthy volunteers welcome
- Sponsor
- Christiana Care Health Services
Cardiovascular Diseases
Red Blood Cell ATP Release and Vascular Function in Humans
Previous work demonstrates that the red blood cells of older adults do not release a potent vasodilator (ATP) as well as the red blood cells of younger adults.
- Trial name
- NCT03404843
- Testing
- Fasudil Hydrochloride, Saline
- Where
- United States
- Volunteers
- 31 people, healthy volunteers welcome
- Sponsor
- Colorado State University
Glanzmann Thrombasthenia
The Genetics and Functional Basis of Inherited Platelet, White Blood Cell, Red Blood Cell, and Blood Clotting Disorders.
Blood contains red blood cells, white blood cells, and platelets, as well as a fluid portion termed plasma. We primarily study blood platelets, but sometimes we also analyze the blood of patients with red blood cell disorders…
- Trial name
- NCT00230165
- Where
- United States
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Rockefeller University
Sickle Cell, PKLR Variants
Genotype -Phenotype Correlation of PKLR Variants With Pyruvate Kinase, 2,3-Diphosphglycerate and Adenosine Triphosphate Activities in Red Blood Cells of People With Sickle Cell Disease
Background: Some people with the same disorder on a genetic level have more complications than others. Researchers want to look for a link between the PKLR gene and sickle cell disease (SCD) symptoms.
- Conditions
- Sickle Cell, PKLR Variants, Adenosine Triphosphate Activities
- Trial name
- NCT03685721
- Where
- United States
- Volunteers
- 800 people, healthy volunteers welcome
- Sponsor
- National Heart, Lung, and Blood Institute (NHLBI)
Diabetes Mellitus
Role of Red Blood Cells in Cardiovascular Disease
The risk of myocardial infarction is dependent on cardiovascular risk factors including type 2 diabetes (T2D) but underlying mechanisms are poorly understood.
- Trial name
- NCT07151222
- Where
- Sweden
- Volunteers
- 500 people, healthy volunteers welcome
- Sponsor
- Karolinska Institutet
Tendinopathy
Tracking of Red Blood Cells Using Super Resolution Ultrasound in Persons With Healthy or Overuse Injured Tendons
The goal of this observational study is to test whether a new ultrasound method, called SUper Resolution ultrasound imaging of Erythrocytes (SURE), can image the small blood vessels found in tendons of persons with a tendon…
- Trial name
- SURE-TEND (NCT06142747)
- Testing
- Super-Resolution Ultrasound Imaging of Erythrocytes (SURE)
- Where
- Denmark
- Volunteers
- 135 people, healthy volunteers welcome
- Sponsor
- University Hospital Bispebjerg and Frederiksberg
Hereditary Spherocytosis
Hereditary Spherocytosis and Vascular Function
Background : Patients with hereditary spherocytosis (HS) are characterized by increased red blood cell (RBC) fragility and a loss of RBC deformability.
- Trial name
- VASCUSPHERO (NCT04451785)
- Testing
- blood sample, Pulse wave velocity
- Where
- 2 sites in France
- Volunteers
- 72 people, healthy volunteers welcome
- Sponsor
- Hospices Civils de Lyon
Diabetes Mellitus, Impaired Fasting Glucose
Effect of Red Blood Cell Survival on a Commonly Used Diabetes Lab Test-HbA1c
Prevention of complications in veterans with diabetes depends heavily on assessment of blood glucose and HbA1c. The HbA1c is a blood test that measures the exposure of hemoglobin (Hb) to a person's average blood glucose over the…
- Conditions
- Diabetes Mellitus, Impaired Fasting Glucose, Prediabetes
- Trial name
- NCT01204216
- Testing
- re-infusion of biotin labeled cells, Diabetes education/diabetes medication adjustment
- Where
- United States
- Volunteers
- 3 people, healthy volunteers welcome
- Sponsor
- VA Office of Research and Development
Coronary Artery Disease, Endothelial NO-synthase
Regulation and Signaling of Red Blood Cell (RBC) Endothelial Nitric Oxide Synthase (eNOS) in Patients With Stable and Unstable Coronary Artery Disease
The aim of this study is measurement of expression and activity of RBC eNOS in different clinical cohorts of patients with coronary artery disease and acute coronary syndrome and to investigate the importance of the NO-stimulated…
- Trial name
- NCT02265016
- Where
- Germany
- Volunteers
- 300 people, healthy volunteers welcome
- Sponsor
- Heinrich-Heine University, Duesseldorf
Iron Deficiency
Donor Iron Deficiency Study - Red Blood Cells From Iron-deficient Donors: Recovery and Storage Quality
Primary Hypothesis The 24-hour post-transfusion RBC recovery of units obtained from donors exhibiting iron-deficient erythropoiesis will not meet FDA standards for clinical use.
- Trial name
- DIDS (NCT02889133)
- Testing
- Iron-dextran, Saline, Blood Donation
- Where
- United States
- Volunteers
- 79 people, healthy volunteers welcome
- Sponsor
- Columbia University