Clinical trials: Endothelial Function
Endothelial Function, Hyperglycemia
Hyperglycemia, Exercise, and Endothelial Function
The main purpose of this study is to determine if exercise preserves vascular function during hyperglycemia. All subjects will consume a sugary beverage three times daily for seven days.
- Trial name
- NCT03651713
- Testing
- GLU+EX, GLU
- Where
- United States
- Volunteers
- 32 people, healthy volunteers welcome
- Sponsor
- University of Iowa
Healthy
Effects of Phenolic Acids on Endothelial Function
Epidemiological studies suggest dietary (poly) phenols decrease the risk of death from cardiovascular diseases. (Poly)phenol-rich foods include fruits and vegetables as well as tea, coffee, red wine, and chocolate.
- Trial name
- NCT01772784
- Testing
- Phenolic acids
- Where
- Switzerland
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- Société des Produits Nestlé (SPN)
PCOS
Exogenous Ketone Supplementation in Females with Polycystic Ovary Syndrome
Polycystic ovary syndrome (PCOS) affects 1 in 5 females of reproductive age. Commonly characterized as a disorder of infertility, PCOS is often accompanied by 3 potent cardiovascular disease (CVD) risk factors: insulin…
- Trial name
- NCT06155708
- Testing
- Ketone, Water
- Where
- Canada
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- McGill University
Fontan Procedure, Hypoplastic Left Heart Syndrome
Impact of Vitamin C on Endothelial Function and Exercise Capacity in Fontan-Palliated Patients
In this study, investigators will evaluate the effect of vitamin C on endothelial function, exercise tolerance and quality of life in patients with a single ventricle who have been palliated to Fontan physiology.
- Conditions
- Fontan Procedure, Hypoplastic Left Heart Syndrome, Tricuspid Atresia
- Trial name
- NCT00974025
- Testing
- Vitamin C
- Where
- United States
- Volunteers
- 53 people, healthy volunteers welcome
- Sponsor
- University of Michigan
Polycystic Ovary Syndrome (PCOS)
Blood Vessel Function in Adolescents and Women With Polycystic Ovary Syndrome
The purpose of this study is to determine if changes in blood vessel health lead to the menstrual irregularities that women with PCOS experience.
- Trial name
- NCT01615562
- Where
- United States
- Volunteers
- 18 people, healthy volunteers welcome
- Sponsor
- Virginia Commonwealth University
Aging, Arterial Stiffness
Inorganic Nitrate Supplementation on Cerebrovascular Aging and Arterial Stiffness Study
This study investigates the effect of dietary inorganic nitrate supplementation on 1) large elastic artery stiffness and hemodynamics and 2) cerebrovascular function in middle-aged and older adults.
- Conditions
- Aging, Arterial Stiffness, Endothelial Dysfunction, Hypertension
- Trial name
- INCA (NCT03617302)
- Testing
- Experimental: Nitrate-containing
- Where
- United States
- Volunteers
- 16 people, healthy volunteers welcome
- Sponsor
- Gary L. Pierce, PhD
Cardiovascular Disease
Investigation of the Atherogenic Effects of Uric Acid-modified in Endothelial Dysfunction and the the Preventional Mechanism by Anthocyanidines
The purpose of this study is to confirm the protective effect and mechanism of anthocyanins on hyperuricemia patients with Cardiovascular disease.
- Trial name
- NCT02797028
- Testing
- Anthocyanidins capsule, Allopurinol
- Where
- China
- Volunteers
- 320 people, healthy volunteers welcome
- Sponsor
- Guangzhou General Hospital of Guangzhou Military Command
Inflammation, Endothelial Dysfunction
Effect of CEAG on Inflammation and Endothelial Function
The purpose of the study is to look at the effect a dietary supplement called CEAG [Curcuminoids, EPA (Omega-3), Astaxanthin and Gamma Linolenic Acid (GLA)] has on inflammation and endothelial (inner layer of the blood vessels)…
- Trial name
- CEAG (NCT03906825)
- Testing
- CEAG
- Where
- United States
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- Lundquist Institute for Biomedical Innovation at Harbor-UCLA Medical Center
Ischaemic Heart Diseases
The Effect of Ischaemic-Reperfusion in Man - A Bradykinin Dependent Pathway
Heart attacks are usually caused by a blood clot blocking an artery supplying blood to the heart. Current treatments are designed to relieve this blockage as quickly as possible to minimize damage to the heart muscle.
- Trial name
- NCT00965120
- Testing
- Forearm vascular study, bradykinin receptor antagonist (HOE-140)
- Where
- United Kingdom
- Volunteers
- 12 people, healthy volunteers welcome
- Sponsor
- University of Edinburgh
Blood Pressure, Endothelial Dysfunction
Effect of Inorganic Nitrate Supplement on Blood Pressure
The primary purpose of this project is to assess the efficacy (effectiveness) of plant-based nitrate tablets to elevate nitric oxide in your system as measured by saliva and effect on lowering blood pressure (BP), supporting…
- Trial name
- NCT03909789
- Testing
- Plant based bioequivalent Nitrate supplementation
- Where
- United States
- Volunteers
- 67 people, healthy volunteers welcome
- Sponsor
- Lundquist Institute for Biomedical Innovation at Harbor-UCLA Medical Center
Cystic Fibrosis
Blood Flow and Vascular Function in Cystic Fibrosis
Cystic fibrosis (CF) has many health consequences. A reduction in the ability to perform exercise in patients with CF is related to greater death rates, steeper decline in lung function, and more frequent lung infections.
- Trial name
- CF-FLOW (NCT02057458)
- Testing
- Sildenafil (Acute-1 hour), Sildenafil (Subchronic-4 weeks)
- Where
- United States
- Volunteers
- 19 people, healthy volunteers welcome
- Sponsor
- Augusta University
Diabetes Mellitus, Insulin-Dependent, Hypercholesterolemia
Statins in Children With Type 1 Diabetes and Hypercholesterolemia
Children with type1 diabetes (T1DM) have increased risk for cardiovascular disease (CVD) due to chronic increase in the blood sugars and inflammation.
- Trial name
- NCT01236365
- Testing
- Atorvastatin
- Where
- 5 sites in United States
- Volunteers
- 42 people, healthy volunteers welcome
- Sponsor
- Nemours Children's Clinic
Obesity, Prehypertension
Vascular Dysfunction in Human Obesity Hypertension
The purpose of the study is to test the effects of blocking sympathetic nerve activity with a drug called clonidine on blood vessel function and muscle nerve activity in adults who are obese and have high blood pressure.
- Conditions
- Obesity, Prehypertension, Hypertension
- Trial name
- VANISH (NCT01983462)
- Testing
- Clonidine, Hydrochlorothiazide
- Where
- United States
- Volunteers
- 33 people, healthy volunteers welcome
- Sponsor
- Gary L. Pierce
Preeclampsia, Hypertensive Disorder of Pregnancy
Multiparametric Assessment of Maternal Vascular Function in the Prediction of Hypertensive Disorders of Pregnancy
The present study is a single-centre prospective study that will enrol pregnant women during their first trimester of pregnancy (11+0 - 13+6 weeks of gestation).
- Trial name
- EDIPE (NCT05999851)
- Testing
- Arterial applanation tonometry, In vivo endothelial glycocalyx measurement, Serum markers of angiogenesis and endothelial dysfunction
- Where
- Italy
- Volunteers
- 400 people, healthy volunteers welcome
- Sponsor
- IRCCS Azienda Ospedaliero-Universitaria di Bologna
Coronary Artery Disease, Hypercholesterolemia
The Role of Atorvastatin on Monocyte Function in Patients With Coronary Artery Disease and Hypercholesterolemia
The aim of this study is to determine, whether an intensified atorvastatin therapy can improve monocyte function in patients with coronary artery disease and hypercholesterolemia.
- Conditions
- Coronary Artery Disease, Hypercholesterolemia, Monocyte Function
- Trial name
- NCT00329069
- Testing
- atorvastatin (drug)
- Where
- Germany
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- University of Ulm
Smoking
Impact of Ban on Smoking in Pubs, Restaurants and Nightclubs on Endothelial Function in Workers
Endothelium is considered a real member, so it is contributing to determine the vascular homeostasis. The presence of endothelial dysfunction, evaluated in peripheral arteries by non-invasive study of the variation of gauge of…
- Trial name
- DILATER (NCT02779127)
- Testing
- Medical interrogatory, Medical examination, Specific bioassay
- Where
- France
- Volunteers
- 49 people, healthy volunteers welcome
- Sponsor
- University Hospital, Toulouse
Type 2 Diabetes Mellitus
GLP-1 and Hypoglycemia
Low blood sugar can negatively affect how blood vessels function, and this can lead to an increase in the risk for heart attacks, strokes and other problems related to the stiffening and blockage of blood vessels.
- Trial name
- NCT01858896
- Testing
- Glucagon-Like Peptide- 1 (GLP-1) infusion
- Where
- United States
- Volunteers
- 28 people, healthy volunteers welcome
- Sponsor
- University of Maryland, Baltimore
High Blood Pressure
Microcirculation and Inflammatory Markers in Patients With Resistant, Stages 1/2 Hypertension and Normal Blood Pressure
Nailfold videocapillaroscopy (NVC), Venous occlusion Plethysmography (VOP) and inflammatory biomarkers have been used to study endothelial function in patients with resistant hypertension, stages 1 and 2 hypertension and…
- Trial name
- MICRORAH (NCT02759276)
- Volunteers
- 75 people, healthy volunteers welcome
- Sponsor
- Daniel Alexandre Bottino
Menopause
Vasomotor Symptoms (VMS) Progesterone Study: Vasomotor Symptoms and Endothelial Function - Trial of Oral Micronized Progesterone
The primary purpose of this study is to determine the effects of a full dose (300 mg at hs) of oral micronized progesterone (OMP) on vasomotor symptoms [VMS] (hot flushes/night sweats), on forearm blood flow and on lipid levels…
- Trial name
- NCT00152438
- Testing
- Oral Micronized Progesterone (Prometrium®)
- Where
- Canada
- Volunteers
- 125 people, healthy volunteers welcome
- Sponsor
- University of British Columbia
Insulin Resistance, Glucose Intolerance
Endothelial Function in Obese Adolescents
Childhood obesity is perhaps the most significant public health problem in the most developed countries and is rapidly becoming so in developing countries.
- Conditions
- Insulin Resistance, Glucose Intolerance, Obesity, Atherosclerosis
- Trial name
- NCT01879033
- Testing
- Reactive hyperemia peripheral artery tonometry (Rh-PAT), Blood levels for glucose, insulin, lipids and adipocytokines
- Where
- United States
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Montefiore Medical Center