Clinical trials: Vascular Function in Healthy Volunteers
Overweight, Hypertriglyceridemic Waist
Effect of Arginine Supplementation in the Metabolic Syndrome
The purpose of this study is to determine whether oral supplementation with one form of arginine improves vascular endothelial function in healthy subjects with risk factors associated with the metabolic syndrome
- Trial name
- NCT02354794
- Testing
- One form of arginine
- Where
- France
- Volunteers
- 36 people, healthy volunteers welcome
- Sponsor
- Institut National de Recherche pour l'Agriculture, l'Alimentation et l'Environnement
Healthy Volunteers, Nitric Oxide
Evaluation of Adding Nitrate Into Foods for Regulating Nitric Oxide Bioavailability in Healthy Individuals
Inorganic nitrate, found in leafy green vegetables and beetroot, can help lower blood pressure and support heart health. Early experimental work has suggested that dietary nitrate supplementation, in the form of beetroot juice or…
- Conditions
- Healthy Volunteers, Nitric Oxide, Vascular Function
- Trial name
- NCT07172425
- Testing
- Inorganic potassium nitrate-fortified biscuits supplementation, Inorganic potassium nitrate-fortified cereal bar supplementation, Inorganic potassium nitrate-fortified porridge supplementation
- Where
- United Kingdom
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Queen Mary University of London
Stroke, Healthy Participants
Prefrontal Brain Activity and ECG Patterns in Stroke and Healthy Adults
This observational study will evaluate brain activity and heart rhythm patterns in people with and without stroke. Brain activity will be measured using functional near-infrared spectroscopy (fNIRS) and electroencephalography…
- Trial name
- NCT07322107
- Where
- South Korea
- Volunteers
- 45 people, healthy volunteers welcome
- Sponsor
- Pusan National University Yangsan Hospital
Coronary Artery Disease, Endothelial Function
The Association of Platelet Function and Endothelial Function of the Brachial Artery
The proposed study is a prospective one, and will be held on consecutive individuals undergoing the non-invasive brachial artery flow-mediated dilation (FMD) ultrasound for endothelial function at the endothelial function…
- Conditions
- Coronary Artery Disease, Endothelial Function, Thrombosis
- Trial name
- NCT00363818
- Where
- 2 sites in Israel
- Volunteers
- 151 people, healthy volunteers welcome
- Sponsor
- Sheba Medical Center
Menopause, Exercise Adaptation
The Effects of Menopausal Status, Isoflavone Supplementation and Training on Cardiometabolic Function Women
The goal of this clinical trial is to investigate the role of estrogen and isoflavone supplementation in exercise-induced cellular signaling and cardiometabolic adaptations in premenopausal and postmenopausal women.
- Conditions
- Menopause, Exercise Adaptation, Mitochondrial Alteration, Vascular Function in Healthy Volunteers
- Trial name
- EXISO (NCT07878741)
- Testing
- Red Clover Isoflavone Supplementation, Supervised exercise training
- Where
- 2 sites in Denmark
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- University of Copenhagen
Coronary Disease
The Impact of Caffeine on Brachial Endothelial Function in Healthy Subjects and in Patients With Ischemic Heart Disease
Prior work (Chris, M. et al, Clinical Science 2005; 109, 55-60) has demonstrated that drinking a cup of coffee (80-100 mg of caffeine) an hour before endothelium-dependent FMD (flow-mediated dilatation) of the brachial artery…
- Trial name
- NCT00564824
- Testing
- Caffeine
- Where
- Israel
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- Sheba Medical Center
Vascular Endothelium, Microvascular Circulation
Healthy Age-dependent Reference Values for Microvascular Structure and Function
The greatest challenge in our ageing society are cardiovascular diseases such as stroke, heart attack, peripheral artery disease of the legs with non-healing wounds (ulcers), or diabetes.
- Conditions
- Vascular Endothelium, Microvascular Circulation, Arterial Stiffness, Healthy Ageing
- Trial name
- NCT04897191
- Testing
- Age
- Where
- United Kingdom
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- University of Surrey
Healthy Volunteers
Flavanol-rich Cocoa on Digestive and Cerebrovascular Health in the Colombian Adults
The purpose of this study is to investigate the effects of consuming flavanol-rich cocoa on biomarkers associated with digestive and cerebrovascular health in a group of adults.
- Trial name
- NCT06513052
- Testing
- Commercial cocoa, High flavonols Cocoa
- Where
- Colombia
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Vidarium, Nutrition, Health and Wellness Research Center
Gait Training, Locomotion
Gait Training and Brain Changes in Stroke Patients
This study, conducted in collaboration with the National Rehabilitation Hospital (NRH) in Washington, D.C., will look at changes in brain activation and brain responses that occur with gait (walking) training.
- Trial name
- NCT00334230
- Where
- United States
- Volunteers
- 58 people, healthy volunteers welcome
- Sponsor
- National Institute of Neurological Disorders and Stroke (NINDS)
Endothelial Function and Arterial Stiffness
A Pilot Case Control Study of Vascular Function in Cyclists
This is a pilot study with the purpose of measuring vascular function, assessed by evaluating arterial stiffness (pulse wave velocity and augmentation index) and endothelial function (flow mediated dilatation), in elite/amateur…
- Trial name
- NCT02745665
- Testing
- flow mediated dilation (endothelial function), ABPI, Pulse wave velocity and augmentation index
- Where
- United Kingdom
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- St George's, University of London
Healthy Volunteers
Intraosseous Doppler Ultrasonography to Study Skeletal Physiology: Exploratory Study Before Use in Space Physiology
Use of intraosseous Doppler ultrasonography to study skeletal physiology ("Echo-Os Study"). Exploratory study before its use in space physiology. Bones have a complex vascular network providing nutrients and oxygen to bone cells.
- Trial name
- Echo-Os (NCT06206031)
- Testing
- Intraosseous ultrasonography at tibia before, during, and after a physiological vascular stimulation (venous occlusions, arterial occlusion, handgrip)
- Where
- 2 sites in France
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- University Hospital, Angers
Vascular Function in Healthy Volunteers
The Cardiovascular Benefits of Resistance Training and Dark Chocolate in Female Adults
This study investigates the effects of 85% dark chocolate supplementation on vascular function and nitric oxide (NO) levels during high-intensity resistance exercise in healthy women across menstrual phases.
- Trial name
- NCT06908941
- Testing
- dark chocolate, milk chocolate, high-intensity resistance exercise
- Where
- Taiwan
- Volunteers
- 31 people, healthy volunteers welcome
- Sponsor
- National Cheng Kung University
Healthy Subjects, Dyslipidaemias
Study To Evaluate The Effects Of GW856553 On Endothelial Function/Vascular Compliance In Subjects With Dyslipidaemia.
The rationale for this study is to determine whether GW856553 (7.5mg BD for 28 days) has an effect on endothelial function in dyslipidaemic subjects as assessed by venous occlusion plethysmography using brachial artery…
- Conditions
- Healthy Subjects, Dyslipidaemias, Dyslipidaemia
- Trial name
- NCT00474864
- Testing
- GW856553
- Where
- 3 sites in United Kingdom
- Volunteers
- 66 people, healthy volunteers welcome
- Sponsor
- GlaxoSmithKline
Cardiovascular Disease
Efavirenz Versus Rilpivirine on Vascular Function, Inflammation, and Oxidative Stress
The purpose of this study is to compare the cardiovascular profiles of efavirenz and rilpivirine, which are two drugs used to treat HIV infection.
- Trial name
- NCT01585038
- Testing
- Efavirenz, Rilpivirine
- Where
- United States
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Indiana University
Healthy Volunteers, Spinal Cord Injury
Chronic Transcutaneous Stimulation to Promote Motor Function and Recovery in Individuals With Paralysis or Paresis
This is an early feasibility trial to determine whether transcutaneous neuromuscular electrical stimulation, with or without transcutaneous spinal cord stimulation, using an investigational neurostimulation device improves…
- Conditions
- Healthy Volunteers, Spinal Cord Injury, Stroke, Paralysis
- Trial name
- NCT04755699
- Testing
- Transcutaneous Electrical Stimulation
- Where
- United States
- Volunteers
- 64 people, healthy volunteers welcome
- Sponsor
- Northwell Health
Healthy, Cardiovascular Diseases
Effect of Betaine, Serine and Folic Acid on Vascular Function in Healthy Volunteers
The purpose of this study is to determine whether reducing the increase in plasma homocysteine concentrations following an oral methionine load affects vascular function in healthy volunteers, irrespective of the…
- Trial name
- NCT00126347
- Testing
- supplementation with betaine, serine, and folic acid
- Where
- Netherlands
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Wageningen Centre for Food Sciences
Stroke, Transcranial Direct Current Stimulation
Hemodynamic Response of Anodal Transcranial Direct Current Stimulation Over the Cerebellar Hemisphere in Healthy Subjects
Upper extremity motor impairment is one of the major sequelae of stroke, resulting in limitation of activities of daily livings.
- Conditions
- Stroke, Transcranial Direct Current Stimulation, Functional Near Infrared Spectroscopy
- Trial name
- NCT04101695
- Testing
- tDCS
- Where
- South Korea
- Volunteers
- 16 people, healthy volunteers welcome
- Sponsor
- Seoul National University Hospital
Traumatic Brain Injury, Stroke
Neural Dynamics and Connectivity in Response Inhibition and Traumatic Brain Injury
Background: Previous research has shown that certain parts of the brain are involved in voluntarily stopping an ongoing motor response (movement); however, it is not known whether this same network is also involved in suppressing…
- Conditions
- Traumatic Brain Injury, Stroke, Headache, PTSD
- Trial name
- NCT01194661
- Where
- United States
- Volunteers
- 129 people, healthy volunteers welcome
- Sponsor
- National Institute of Neurological Disorders and Stroke (NINDS)
Cardiovascular Function, Genotoxicity
Health Effects of Occupational Exposure to Combustion Particles - a Study on Volunteers Performing as Train Conductors
Ambient air pollution is a complex mixture of gaseous pollutants and particulate matter (PM). PM has a recognized important role in human health.
- Trial name
- BioTrack (NCT03104387)
- Testing
- Electric train, Diesel train
- Where
- Denmark
- Volunteers
- 29 people, healthy volunteers welcome
- Sponsor
- University of Copenhagen
Vascular System Injuries
Natural Antioxidant Ice-cream, Oxidative Stress and Vascular Function
Formation of reactive oxygen species (ROS) contributes to pathogenesis and progression of several diseases. Polyphenols, have been shown to be beneficial against ROS.
- Trial name
- NCT02685163
- Testing
- Antioxidant ice-cream, Control Ice-cream
- Volunteers
- 14 people, healthy volunteers welcome
- Sponsor
- University of Roma La Sapienza