Clinical trials: Vasodilation
Vasodilation, Exercise
Acute Effect of Polyphenols Supplementation on Endothelial Function and Exercise Related Markers, in Physically Active Healthy Volunteers.
To evaluate the effect of acute polyphenols supplementation on vasodilation and related markers along with exercise related markers (notably performance, respiratory exchanges, perceived exertion), before, during and after a…
- Conditions
- Vasodilation, Exercise, Healthy Adults
- Trial name
- PolypOxy (NCT07518758)
- Testing
- Oral administration
- Where
- France
- Volunteers
- 38 people, healthy volunteers welcome
- Sponsor
- Nexira
Coronary Artery Disease
Vascular Function on the First Day After Cardiac Surgery
This study examines the flow mediated dilation (FMD) of the brachial artery before and after cardiac surgery. FMD is measured with ultrasound technique.
- Trial name
- NCT02001090
- Where
- Norway
- Volunteers
- 25 people
- Sponsor
- Norwegian University of Science and Technology
Radial Artery Injury at Wrist and Hand Level, Occlusion of Artery
Intraarterial Nitroglycerin Versus Nicardipine and Radial Artery Occlusion
A total of 600 patients undergoing coronary procedures via transradial access using 6F sheath were randomized at the end of the procedure to receive either 250-µg nicardipine or 500-µg nitroglycerin administered to the radial…
- Conditions
- Radial Artery Injury at Wrist and Hand Level, Occlusion of Artery, Vasodilation
- Trial name
- NONERAO (NCT03622060)
- Testing
- Nitroglycerin
- Where
- Indonesia
- Volunteers
- 600 people
- Sponsor
- Hermina Heart Center Kemayoran
Frailty, Mild Cognitive Impairment
The Mito-Frail Trial: Effects of MitoQ on Vasodilation, Mobility and Cognitive Performance in Frail Older Adults
The goal of this clinical trial is to test the effects of MitoQ supplementation in older adults and frail older adults with physical dysfunction and/or cognitive dysfunction.
- Conditions
- Frailty, Mild Cognitive Impairment, Aging
- Trial name
- Mito-Frail (NCT06027554)
- Testing
- Mitoquinone Mesylate
- Where
- United States
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- UConn Health
Flicker-induced Vasodilatation
Effect of Breathing a Mixture of 92% Oxygen (O2) + 8% Carbon Dioxide (CO2) on Flicker Induced Blood Flow Changes in Ocular Perfusion
It has been shown that diffuse luminance flicker increases retinal and optic nerve head blood flow. This indicates that a neuro-vascular coupling between neural activity and blood flow exists in the retina as described previously…
- Trial name
- NCT00719342
- Testing
- Oxygen + Carbondioxide, full field flickering light at 12.5 Hz
- Where
- Austria
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- Medical University of Vienna
Thrombophilia
Arterial Microcirculation, Macrocirculation and Thrombophilias
Rationale: To analyse the arterial state of women with thrombophilia by techniques studying micro and arterial macrocirculation because of a reported and still discussed increase risk in cardio-vascular events in these women.
- Trial name
- MICMAC (NCT01160159)
- Testing
- Tests, Healthy volunteers
- Where
- France
- Volunteers
- 6 people, healthy volunteers welcome
- Sponsor
- Assistance Publique - Hôpitaux de Paris
Exercise, Blood Pressure
Effects of Lentil Protein Hydrolysate on Blood Pressure Control, Vascular Function and Exercise Performance
Examining the safety and tolerability of Lentil Protein Hydrolysate in healthy males and females whilst exploring the effects of a dose range on blood pressure control and vascular function and exercise performance
- Conditions
- Exercise, Blood Pressure, Vasodilation, Vascular Function in Healthy Volunteers
- Trial name
- NCT06894875
- Testing
- Lentil protein hydrolysate
- Where
- Australia
- Volunteers
- 48 people, healthy volunteers welcome
- Sponsor
- Nuritas Ltd
Menopause, Cardiovascular Diseases
A Longitudinal Study to Identify Mechanisms of Menopause on Cardiovascular Disease Risk
With the cessation of estrogen production at menopause, the risk of cardiovascular disease like arthrosclerosis, myocardial infarction and stroke increases dramatically.
- Conditions
- Menopause, Cardiovascular Diseases, Vascular Dilation, Physical Activity
- Trial name
- NCT05647876
- Where
- Denmark
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- University of Copenhagen
MELAS Syndrome
L-arginine Therapy on Endothelium-dependent Vasodilation & Mitochondrial Metabolism in MELAS Syndrome
MELAS patients suffer from exercise intolerance, weakness, poor vision or blindness, poor growth, developmental delay, and deafness.
- Trial name
- NCT01603446
- Testing
- L-Arginine
- Where
- Canada
- Volunteers
- 7 people, healthy volunteers welcome
- Sponsor
- The Hospital for Sick Children
Determine the Effects of Nitrosigine and Citrulline-malate on Flow-mediated Dilation Among Young Adults
Evaluation of Sports Supplements on Blood Flow
Many athletes seek to increase their plasma (blood) nitric oxide content prior to exercise in order to augment vasodilation. Increased vasodilation during exercise, especially high intensity resistance training, allows for more…
- Trial name
- NCT04278053
- Testing
- inositol-stabilized arginine silicate
- Where
- United States
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- University of Arkansas, Fayetteville
Cardiovascular Diseases, Cardiovascular Risk Factor
The Effect of Antioxidants on Skin Blood Flow During Local Heating
The goal of this study is to examine possible mechanisms of impaired vasodilaton in obese and Black/African American men and women as possible links to the elevated prevalence of cardiovascular dysfunction and disease.
- Conditions
- Cardiovascular Diseases, Cardiovascular Risk Factor, Vasodilation
- Trial name
- NCT03680638
- Testing
- Control (Lactated Ringer's), Tempol, Apocynin
- Where
- United States
- Volunteers
- 44 people, healthy volunteers welcome
- Sponsor
- The University of Texas at Arlington
Vasoconstriction, Vasodilation
Sympathetic Neurovascular Transduction: Role of Adrenergic Receptors and Sex Differences
The main purpose of this interventional study is to examine differences in resting blood pressure control between healthy males and females. The main questions it aims to answer are: 1.
- Trial name
- STARS (NCT05997732)
- Testing
- Phenylephrine Hydrochloride, Isoproterenol Hydrochloride, Norepinephrine Bitartrate
- Where
- Canada
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- University of Alberta
Oral Glucose Tolerance Test, High Fat Tolerance Test
Effects of Fluid Milk in Attenuating Hyperglycemia and Hypertriglyceridemia After Meal
Epidemiological studies indicate that risk of type 2 diabetes is lower when milk is consumed in the regular diet. Milk products are unique in that they produce high insulin response despite their low glycemic index.
- Trial name
- NCT02894112
- Testing
- non-fat milk, carbohydrate control beverage, caloric control beverage
- Where
- United States
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- University of Texas at Austin
Vasodilation, Vasoconstriction
Vascular Function Improvements After Chronic Passive Stretching
Acutely, during different bouts of passive stretching (PS), blood flow (Q ̇) and shear rate ( ) in the feeding artery of the stretched muscles increases during the first two elongations and then it reduces during the following…
- Conditions
- Vasodilation, Vasoconstriction, Stretch, Sympathetic; Imbalance
- Trial name
- NCT04271241
- Testing
- Passive stretching (PS) training
- Where
- Italy
- Volunteers
- 39 people, healthy volunteers welcome
- Sponsor
- University of Milan
Vascular Dilation
The Influence of Daily Strawberry Intake on Vascular Health in Elderly Men
The overall objective of this proposed trial is to examine the vascular protective effects provided by the daily consumption of 39g of freeze dried strawberry powder (FDSP) for four weeks.
- Trial name
- NCT04763499
- Testing
- freeze dried strawberry powder
- Where
- United States
- Volunteers
- 4 people, healthy volunteers welcome
- Sponsor
- University of California, Davis
Pulmonary Embolism (Diagnosis)
Inorganic Nitrates in Intermediate High-risk Pulmonary Embolism
Pulmonary embolism (PE) is a serious condition caused by blood clots blocking the blood vessels in the lungs. In some patients, PE leads to increased pressure in the lung circulation and strain on the right side of the heart.
- Trial name
- NITRATE-PE (NCT07431229)
- Where
- 2 sites in Sweden
- Volunteers
- 36 people
- Sponsor
- Karolinska Institutet
Sleep
Long Sleep Duration and Vascular Function
Sleep duration has received much attention in recent years due to strong evidence that not enough sleep can increase risk for a number of diseases and disorders.
- Trial name
- NCT04679051
- Testing
- Sleep duration
- Where
- United States
- Volunteers
- 23 people, healthy volunteers welcome
- Sponsor
- Texas Tech University
Vasodilation, Vasoconstriction
The Impact of Carbon Monoxide and Altitude on Vascular Function
The CarMA (Carbon Monoxide and Altitude) Study aims to observe the vascular effects of carbon monoxide exposure at low and high altitudes.
- Trial name
- CarMA (NCT04928183)
- Testing
- Carbon monoxide rebreathe, Sodium Nitroprusside, Phenylephrine Hydrochloride
- Where
- Canada
- Volunteers
- 19 people, healthy volunteers welcome
- Sponsor
- University of Alberta
Vasodilation
An Investigation of the Dose-dependent Vascualr Effects of (-)-Epicatechin in Healthy Men
Aim: To investigate the dose-dependent vascular effect (primarily using FMD) of 3 low-level doses of pure (-)-epicatechin ≤ 1 mg/kg BW (0.1, 0.5 \& 1.0 mg/kg BW) in healthy men.
- Trial name
- NCT02292342
- Testing
- Water, Epicatechin 0.1 mg/kg, Epicatechin 0.5 mg/kg
- Where
- United Kingdom
- Volunteers
- 21 people, healthy volunteers welcome
- Sponsor
- University of Reading
Healthy Volunteers
The Haem and Nitrite Study - The Effects of Haemoglobin NO-blockade on Nitrite-induced Forearm Vessel Dilatation
The study is a pharmacodynamic random order cross-over trial investigating the physiological effects of intra-arterial infusion of nitrite following a haemolysed autologous blood transfusion.
- Trial name
- NCT03077763
- Testing
- Sodium Nitrite
- Where
- United Kingdom
- Volunteers
- 41 people, healthy volunteers welcome
- Sponsor
- University of East Anglia