Clinical trials: Erythrocyte Disorder
Thalassemia in Children, Pulmonary Hypertension
Erythrocyte Glutamine Level Relation to Pulmonary Hypertension Risk in Beta Thalassemia Major Children
The study will investigate the relation between erythrocyte glutamine/glutamate ratio and pulmonary hypertension risk in Egyptian thalassemic children in Assiut University Children Hospital
- Conditions
- Thalassemia in Children, Pulmonary Hypertension, Hemolysis
- Trial name
- NCT03133169
- Testing
- blood sample, Tricuspid regurge velocity
- Where
- Egypt
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- Assiut University
HIV Infection, Erythrocyte Glutathione Deficiency
Glutathione and Function in HIV Patients
We have recently reported that older patients with HIV are deficient in glutathione (GSH) due to decreased availability of cysteine and glycine, and that oral supplementation with cysteine (as n-acetylcysteine) and glycine for…
- Trial name
- NCT02348775
- Testing
- GlyNAC (combination of glycine and n-acetylcysteine)
- Where
- United States
- Volunteers
- 16 people, healthy volunteers welcome
- Sponsor
- Baylor College of Medicine
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
Mortality After Transfusion of Ever-pregnant Donor Red Blood Cells
The MATER study is an observational cohort study on first ever transfusion recipients in six hospitals in the Netherlands, with information collected on both donor and patient characteristics.
- Trial name
- MATER (NCT06176105)
- Where
- Netherlands
- Volunteers
- 101,000 people, healthy volunteers welcome
- Sponsor
- Sanquin-LUMC J.J van Rood Center for Clinical Transfusion Research
Thromboembolic Disease
The Correlation of Lewis Antigens With VTE
The goal of this observational study is to learn if certain factors in a person's blood are linked to a history of venous thromboembolic disease (VTED), which includes conditions like deep vein thrombosis.
- Trial name
- NCT07402005
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- Larissa University Hospital
Hemoglobinopathies, Hemolysis
Clinical and Laboratory Investigation of Humans With Informative Iron or Erythroid Phenotypes
This study will examine blood for factors that may cause or prevent diseases involving iron or red blood cells. Iron is an important nutrient for human health that is needed to produce red blood cells.
- Conditions
- Hemoglobinopathies, Hemolysis, Iron Deficiency and Overload, Anemias
- Trial name
- NCT00102245
- Where
- United States
- Volunteers
- 334 people, healthy volunteers welcome
- Sponsor
- National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
Alzheimer Disease, Oxidative Stress
Isolated Erythrocyte Membrane Susceptibility to Photo-oxidative Stress in Alzheimer's Disease
High lipid peroxidation and altered antioxidant defenses have been frequently reported in Alzheimer's disease patients. The purpose of this study is to investigate susceptibility to photo-oxidation of isolated erythrocyte…
- Conditions
- Alzheimer Disease, Oxidative Stress, Adrenocortical Hyperfunction
- Trial name
- NCT01707719
- Where
- Italy
- Volunteers
- 48 people, healthy volunteers welcome
- Sponsor
- Raffaele Antonelli Incalzi
Iron Deficiency Anemia, Inflammation
Anemia and Inflammation
During inflammation hepcidin concentrations are increased, leading to a decrease in iron absorption. In iron deficiency anemia hepcidin is suppressed due to the activation of erythropoiesis.
- Trial name
- NCT03618914
- Testing
- Dultavax and Vaxigrip
- Where
- Morocco
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- Swiss Federal Institute of Technology
Malaria, Plasmodium Falciparum
A Study to Assess the Experimental Malaria Vaccines RH5.2-VLP and R21
This is a Phase Ib multi-stage Plasmodium falciparum malaria vaccine study to assess the safety and immunogenicity of the blood-stage vaccine candidate RH5.2 virus-like particle (VLP) in Matrix-MTM and the pre-erythrocytic stage…
- Trial name
- NCT05357560
- Testing
- Matrix-M with RH5.2 VLP and/or R21
- Where
- The Gambia
- Volunteers
- 107 people, healthy volunteers welcome
- Sponsor
- University of Oxford
Alzheimer Disease
Erythrocyte Complement Receptor 1 and Alzheimer Disease
Main objective: investigate whether a functional polymorphism of CR1 (length, number of binding sites in C4b C3b, erythrocyte density, rate of soluble CR1 ...) so determined genetic or acquired, is a susceptibility factor for the…
- Trial name
- NCT01565434
- Testing
- CR1 impact
- Where
- France
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- CHU de Reims
Aging, Erythrocyte Glutathione Deficiency
Energetics and Function in Older Humans
The investigators have previously reported that older patients with HIV are deficient in glutathione (GSH) due to decreased availability of cysteine and glycine, and that oral supplementation with cysteine (as n-acetylcysteine)…
- Conditions
- Aging, Erythrocyte Glutathione Deficiency, Muscle Weakness
- Trial name
- NCT02348762
- Testing
- Cysteine (as n-acetylcysteine) and Glycine
- Where
- United States
- Volunteers
- 16 people, healthy volunteers welcome
- Sponsor
- Baylor College of Medicine
Iron Deficiency Anemia
Measuring Erythrocyte Iron Incorporation From Different Dosing Regimens in Anemic Women
Iron-deficient anaemic subjects are likely to benefit most from oral iron supplements, but supplementation schedules vary widely in clinical practice, absorption is low and compliance is poor due to mild gastrointestinal side…
- Trial name
- NCT03623997
- Testing
- Iron stable isotope labeled iron(II) sulfate
- Where
- Switzerland
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Swiss Federal Institute of Technology
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
Sudden Cardiac Death, Sudden Cardiac Arrest
Effects of Stearidonic Acid-Containing Foods on Eicosapentaenoic Acid Levels in Red Blood Cells and Omega-3 Index
The purpose of this study is to assess the effect of stearidonic acid when used as a food ingredient on eicosapentaenoic enrichment of red blood cell membranes and Omega-3 Index in men and women.
- Conditions
- Sudden Cardiac Death, Sudden Cardiac Arrest, Cardiovascular Disease
- Trial name
- NCT01749202
- Testing
- Sunflower Oil Softgels, EPA softgels, Sunflower Oil Food
- Where
- United States
- Volunteers
- 126 people, healthy volunteers welcome
- Sponsor
- Solae, LLC
Cardiovascular Diseases
Molecular Investigation of GENetic Factors in Cardiovascular and Immune-related Traits and Diseases Using a BIOresource of Healthy Volunteers (GENBIO)
The risk of cardiovascular disease is determined by the complex interplay between an individual's genetic make-up, lifestyle, and the environment.
- Trial name
- GENBIO (NCT04931498)
- Testing
- Questionnaire, Anthropometric measurements: height, weight, and body fat, Blood pressure and heart rate
- Where
- United Kingdom
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Cambridge University Hospitals NHS Foundation Trust
Sickle Cell Disease, Sickle Cell Anemia
Carbon Monoxide Levels and Sickle Cell Disease Severity
Background: Some people with sickle cell disease have different health problems than others. This may be related to how easily and frequently the red blood cells break apart in the blood.
- Conditions
- Sickle Cell Disease, Sickle Cell Anemia, Anemia, Sickle Cell
- Trial name
- NCT01547793
- Where
- United States
- Volunteers
- 106 people, healthy volunteers welcome
- Sponsor
- National Heart, Lung, and Blood Institute (NHLBI)
Hemodialysis Complication
Exercise Therapy on Rheological Functions of Erythrocyte in Hemodialysis
To improve aerobic capacity, muscular function, and health-related quality of life in patients with end-stage renal disease (ESRD), regular exercise is recommended.
- Trial name
- NCT06575634
- Testing
- Supervised exercise training
- Where
- Taiwan
- Volunteers
- healthy volunteers welcome
- Sponsor
- Chang Gung Memorial Hospital
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
Overweight
Orlistat Induced Modulation on the Fatty Acid Composition in Obese Females
Orlistat is a popular drug approved for long-term use which produces weight loss by inhibiting triglycerides, main components of fats in the diet and reducing dietary fat absorption by up to 30%.
- Trial name
- NCT01414465
- Testing
- Orlistat
- Where
- Brazil
- Volunteers
- 17 people, healthy volunteers welcome
- Sponsor
- University of Campinas, Brazil
Neural Tube Defects, Contraception
Efficacy and Safety Study for an Oral Contraceptive Containing Folate
The purpose of this study is to determine whether the study drug is safe and effective
- Conditions
- Neural Tube Defects, Contraception, Oral Contraceptives (OC)
- Trial name
- NCT00468481
- Testing
- Drospirenone/Ethinylestradiol/Methyltetrahydrofolate, Drospirenone/Ethinylestradiol (Yaz)
- Where
- 9 sites in United States
- Volunteers
- 385 people, healthy volunteers welcome
- Sponsor
- Bayer