Clinical trials: Flow-mediated Dilation
Cardiovascular Diseases
Vascular Reactivity Assessment by the AngioDefender Device -- A Precision Study
The objective of this study is to define the repeatability and reproducibility of quantifying flow-mediated dilation (FMD) of the brachial artery (BA) using the AngioDefender (AD) methodology.
- Trial name
- NCT02641197
- Testing
- AngioDefender
- Where
- 2 sites in Canada
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Everist Genomics, Inc
Borderline High LDL-cholesterol
Effects of Ubiquinol and Ubiquinone on Vascular Function in Healthy Adults With Borderline High LDL-Cholesterol
This randomized, double-blind, placebo-controlled clinical trial will evaluate the effects of Ubiquinol and Ubiquinone on vascular endothelial function in generally healthy adults with borderline high LDL-cholesterol.
- Trial name
- NCT07881601
- Testing
- Ubiquinol, Ubiquinone
- Where
- United States
- Volunteers
- 120 people, healthy volunteers welcome
- Sponsor
- SF Research Institute, Inc.
Insulin Sensitivity, Flow-mediated Dilation
Vascular Function, Insulin Sensitivity, and Vitamin D
The overall objectives of this study are to examine the relationships between circulating vitamin D, insulin sensitivity, and multiple indices of vascular function and to examine whether vitamin D deficiency in African Americans…
- Conditions
- Insulin Sensitivity, Flow-mediated Dilation, Arterial Stiffness
- Trial name
- VIVID (NCT01041547)
- Where
- United States
- Volunteers
- 63 people, healthy volunteers welcome
- Sponsor
- University of Alabama at Birmingham
Unspecified Injury of Brachial Artery, Left Side, Initial Encounter
Vascular Effect of Estrogens Versus Placebo Evaluated by Flow-mediated Dilatation of Brachial Artery
The aim of this study is to evaluate the vascular effects of estrogens on climacteric women measured by flow-mediated evaluation of the brachial artery using high resolution ultrasound and compare to placebo.
- Trial name
- EDILA (NCT01482416)
- Testing
- Estrogens, Conjugated (USP)
- Where
- Brazil
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Federal University of Minas Gerais
Healthy, Ageing
Can Cocoa Flavanols Protect Endothelial Function During Prolonged Sitting in Healthy Older Adults?
Sitting time is high in older adults and has been shown to temporarily impair endothelial function and blood pressure. Flavanols, plant-derived compounds, acutely enhance endothelial function and reduce Blood pressure in older…
- Trial name
- NCT07265869
- Testing
- High-flavanol cocoa powder, Low-flavanol cocoa powder
- Where
- United Kingdom
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- University of Birmingham
Glucose Intolerance, Aortic Stiffness
Healthy Aging Through Functional Food
The purpose of this study is to determine whether dietary inducers of glyoxalase 1 are effective in improving metabolic and vascular health.
- Conditions
- Glucose Intolerance, Aortic Stiffness, Vasodilation
- Trial name
- HATFF (NCT02095873)
- Testing
- Glyoxalase 1 (Glo1) inducer
- Where
- United Kingdom
- Volunteers
- 32 people, healthy volunteers welcome
- Sponsor
- University of Warwick
Endothelial Dysfunction, Oxidative Stress
Creatine Monohydrate Supplementation and Vascular Endothelial Health
To determine the effects of 4 weeks of creatine monohydrate supplementation on markers of macrovascular and microvascular function, cognitive performance, and physical performance.
- Trial name
- NCT05014659
- Testing
- Creatine monohydrate
- Where
- United States
- Volunteers
- 12 people, healthy volunteers welcome
- Sponsor
- Florida State University
FMD - Flow Mediated Dilation
Influence of Nitric Oxide on Flow Mediated Dilation
Flow-mediated vasodilation (FMD) has become one of the most widely assessed parameter to analyze endothelial function. The peripheral endothelial function as assessed by FMD correlates with coronary artery endothelial function…
- Trial name
- NCT03723278
- Where
- Germany
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- University of Erlangen-Nürnberg Medical School
Healthy
Acute Effect of a Proprietary Botanical Blend Rich in Polyphenols on Flow-mediated Dilation in Healthy Subjects
It is well established that endothelial dysfunction is an early predictor of cardiovascular events in at-risk patients. Finding safe and effective product able to improve endothelial function is of public health interest.
- Trial name
- NCT04697589
- Testing
- Memophenol 300 mg, Memophenol 600 mg
- Where
- France
- Volunteers
- 18 people, healthy volunteers welcome
- Sponsor
- Activ'inside
Ischemia Reperfusion Injury, Endothelial Dysfunction
Short Term Statin Treatment and Endothelial Dysfunction Due to Ischemia and Reperfusion Injury
Rationale: Apart from their cholesterol lowering effects, statins have cholesterol-independent pleiotropic actions, such as upregulation of 5'-ectonucleotidase and up-regulation of NO-synthase that may increase tolerance against…
- Trial name
- NCT00987974
- Testing
- rosuvastatin, atorvastatin 3 days, rosuvastatin 7 days
- Where
- Netherlands
- Volunteers
- 48 people, healthy volunteers welcome
- Sponsor
- Radboud University Medical Center
Healthy Conditions
Role of Endothelin-1 in Flow-mediated Dilatation
Endothelial dysfunction of conduit arteries contributes to the increased morbidity and cardiovascular mortality in patients with essential hypertension and appears increasingly as an independent therapeutic target.
- Trial name
- Endothelin (NCT02086253)
- Testing
- BQ-788 and/or BQ-123
- Where
- France
- Volunteers
- 8 people, healthy volunteers welcome
- Sponsor
- University Hospital, Rouen
Chronic Obstructive Pulmonary Disease
The Effects of Aerobic Exercise Training on Vascular, Cardiac and Cerebral Vascular Function in COPD
The primary cause of chronic obstructive pulmonary disease is smoking, which can lead to inflammation in the lungs and blood vessels that can lead to secondary problems such as blood vessel disease, high blood pressure and heart…
- Trial name
- NCT02875522
- Testing
- Individualized, non-linear aerobic exercise training
- Where
- Canada
- Volunteers
- 58 people, healthy volunteers welcome
- Sponsor
- University of British Columbia
Metabolic Syndrome X, Infertility
Female Subfertility: a Metabolic and Vascular Profile
Introduction: Overall, 10 - 15% of couples seek specialist help once in their lives when a spontaneous pregnancy does not occur.
- Trial name
- NCT02136472
- Where
- Netherlands
- Volunteers
- 512 people, healthy volunteers welcome
- Sponsor
- Maastricht University Medical Center
Adverse Effect of Other Agents Primarily Affecting the Cardiovascular System, Initial Encounter
Cardiovascular Assessment of the Effects of Tobacco and Nicotine Delivery Products
The overarching goal of this project is to develop a panel of cardiovascular risk biomarkers that can detect differences in the cardiovascular safety of various tobacco products, whether conventional, new or emerging, in order to…
- Trial name
- NCT01964807
- Testing
- Cigarette, NIDA test type with 16.6 mg nicotine, Cigarette, NIDA test type with <0.45 mg nicotine, Electronic cigarette with 18 mg/ml nicotine
- Where
- United States
- Volunteers
- 81 people, healthy volunteers welcome
- Sponsor
- University of California, San Francisco
Cardiometabolic Health
STARchy Staples: a Randomised Controlled Trial on Cardiometabolic Health
An investigation into habitual potato consumption (mashed, boiled, baked) on sleep quality and chronic glycaemic control, established risk factors for cardiometabolic diseases, versus habitual consumptions of non-nutrient-dense…
- Trial name
- STARCHy (NCT05994313)
- Testing
- Habitual potato consumption, Habitual non-nutrient-dense staple consumption
- Where
- United Kingdom
- Volunteers
- 71 people, healthy volunteers welcome
- Sponsor
- King's College London
Atherosclerosis, Inflammation
Sitagliptin Effects on Arterial Vasculature and Inflammation in Obesity
Abdominal obesity is a major risk factor for heart attack, stroke, peripheral vascular disease, dementia, cancer and Type 2 diabetes.
- Trial name
- SAVORO (NCT02576288)
- Testing
- Sitagliptin
- Where
- United States
- Volunteers
- 21 people, healthy volunteers welcome
- Sponsor
- University of Southern California
Flow-mediated Dilation Evaluation of the Brachial Artery
Vascular Effect of Tibolone Versus Placebo Evaluated by Flow-mediated Dilatation of Brachial Artery
The aim of this study is to evaluate the vascular effects of tibolone on climateric women measured by flow-mediated evaluation of the brachial artery using high resolution ultrasound and compare to placebo.
- Trial name
- NCT01679795
- Testing
- Tibolone
- Where
- Brazil
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Federal University of Minas Gerais
Hypertension
Neural Mechanism of Aldosterone-induced Insulin Resistance
Patients with high aldosterone hormone have higher blood glucose than normal people. This study is being done to understand how aldosterone hormone affects the nerve activity that controls blood flow in the muscles and blood…
- Trial name
- NCT02102243
- Testing
- DEFINITY® infusion, Human Recombinant Regular Insulin infusion, Dextrose infusion
- Where
- United States
- Volunteers
- healthy volunteers welcome
- Sponsor
- Wanpen Vongpatanasin
Nitrate, Caffeine
The Effects of Nitrate, Caffeine, and Cold Exposure on Cardiovascular Function.
Dietary inorganic nitrate supplementation may have positive implications on cardiovascular function. The aim of this project is to determine if nitrate supplementation can attenuate the effects that caffeine and cold exposure…
- Conditions
- Nitrate, Caffeine, Cold Exposure
- Trial name
- NCT06602921
- Testing
- TruBeet inorganic beetroot juice, Caffeine, Cold pressor test
- Where
- United Kingdom
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- Loughborough University
Smoking Cessation, Brachial Flow Mediated Dilatation
Smoking Cessation in a Cohort HIV+ Rio de Janeiro, Brazil.
The study was carried out within a large, urban prospective cohort of PLHIV at the Instituto Nacional de Infectologia Evandro Chagas (INI).
- Conditions
- Smoking Cessation, Brachial Flow Mediated Dilatation, Nicotine Replacement Therapy
- Trial name
- NCT05873738
- Testing
- Nicotine replacement
- Where
- Brazil
- Volunteers
- 115 people, healthy volunteers welcome
- Sponsor
- Instituto Fernandes Figueira