Clinical trials: Vascular Endothelial Function
Atherosclerosis, Endothelial Function
Evaluation of The Effects of Nebivolol in Comparison to Atenolol on Wall Shear Stress and Rupture Prone Coronary Plaques
Nebivolol is a novel blood pressure lowering drug with an additional effect on the inner lining of blood vessels to release a compound called nitric oxide that can relax blood vessels.
- Trial name
- NCT01230892
- Testing
- Nebivolol, Atenolol
- Where
- United States
- Volunteers
- 29 people
- Sponsor
- Emory University
Cardiovascular Diseases, Aging
Cardio-vascular Protective Effects of Wolfberry in Middle-aged and Older Adults
This purpose of this study is to assess the impact of consuming wolfberry on cardiovascular risk in Singapore's middle-aged and older adults.
- Trial name
- NCT03535844
- Testing
- Wolfberry, Healthy diet
- Where
- 2 sites in Singapore
- Volunteers
- 41 people, healthy volunteers welcome
- Sponsor
- National University of Singapore
Hypertension, Type 2 Diabetes Mellitus
Vascular Effects of Carvedilol Versus Metoprolol in Hypertensive Patients With Type 2 Diabetes
The purpose of this study is to compare the vascular effects of two commonly used blood pressure medications, carvedilol and metoprolol in hypertensive patients with type 2 diabetes.
- Trial name
- NCT00123604
- Testing
- Carvedilol, Metoprolol
- Where
- United States
- Volunteers
- 36 people
- Sponsor
- St. Paul Heart Clinic
HIV, Cardiovascular Diseases
Evaluating the Effectiveness of Pentoxifylline at Improving Blood Vessel Function in HIV-infected People Not Receiving Antiretroviral Medications
People infected with HIV have a greater risk of developing cardiovascular disease than people not infected with HIV. This may be due to increased inflammation brought on by either the HIV infection itself or the use of…
- Conditions
- HIV, Cardiovascular Diseases, Atherosclerosis
- Trial name
- NCT00796822
- Testing
- Pentoxifylline
- Where
- United States
- Volunteers
- 26 people
- Sponsor
- Indiana University
Cognitive Impairment, Executive Dysfunction
Vascular Mechanisms for the Effects of Loss of Ovarian Hormone Function on Cognition in Women
Complaints about memory and thinking are common in women as they go through menopause and estrogen levels fall. The ovarian hormone estrogen is important for supporting normal cognitive function, and changes in brain activity and…
- Conditions
- Cognitive Impairment, Executive Dysfunction, Endothelial Dysfunction, Cardiovascular Disease
- Trial name
- NCT02122198
- Testing
- Leuprolide acetate, Estradiol, Medroxyprogesterone
- Where
- 2 sites in United States
- Volunteers
- 17 people, healthy volunteers welcome
- Sponsor
- University of Colorado, Denver
Diabetes Mellitus, Type 1
REducing With MetfOrmin Vascular Adverse Lesions in Type 1 Diabetes (REMOVAL)
The trial is conducted in the United Kingdom (UK), Australia, Canada, Denmark and the Netherlands. The aim is to test whether 3 years treatment with metformin added to titrated insulin therapy (towards target HbA1c 7.0%/53…
- Trial name
- REMOVAL (NCT01483560)
- Testing
- Metformin
- Where
- 24 sites in Australia, Canada and 3 more
- Volunteers
- 493 people
- Sponsor
- University of Glasgow
Type 2 Diabetes, Coronary Artery Disease
Effects of Eicosapentaenoic Acid on Endothelial Function in Diabetic Subjects
This pilot trial seeks to obtain preliminary data on the effects of eicosapentaenoic acid (EPA) (4g/d) on endothelial function measured via endopat2000 after 12 weeks of intervention among adults with elevated triglycerides and…
- Trial name
- NCT02422446
- Testing
- Icosapent ethyl
- Where
- United States
- Volunteers
- 2 people
- Sponsor
- Brigham and Women's Hospital
Diabetes Mellitus, Type 2
ADAM17 and Vascular Function in Diabetes
The objective of this project is to determine the extent to which administration of the dietary supplement phosphatidylserine (PS), a competitive inhibitor of ADAM17 sheddase activity, effects vascular function and…
- Trial name
- ADAM17 (NCT04557228)
- Testing
- Phosphatidylserine
- Where
- United States
- Volunteers
- 36 people
- Sponsor
- University of Missouri-Columbia
Atherosclerosis
Inflammation and Vascular Function in Atherosclerosis
The purpose of this study is to determine whether reducing inflammation in blood vessels with an aspirin-like drug called salsalate will improve blood vessel function.
- Trial name
- NCT00760019
- Testing
- salsalate
- Where
- United States
- Volunteers
- 58 people, healthy volunteers welcome
- Sponsor
- Brigham and Women's Hospital
Type 2 Diabetes Mellitus
The Effect of Exenatide Compared to Lantus Insulin on Vascular Function in Type 2 Diabetes
The main goals of the study are to evaluate the effect of Exenatide on endothelial-dependent vasodilation, as measured by flow mediated dilation (FMD), to evaluate the effect on endothelial-independent vasodilation, as measured…
- Trial name
- NCT00353834
- Testing
- Exenatide, Glargine Insulin
- Where
- United States
- Volunteers
- 72 people
- Sponsor
- Joslin Diabetes Center
Metabolic Syndrome
The Impact of Free Fatty Acid Reduction on Vascular Function in the Metabolic Syndrome
This study will test the hypothesis that reducing the release of free fatty acids (FFA) from fat cells will restore insulin-mediated, endothelium-dependent vasodilation in people with the metabolic syndrome.
- Trial name
- NCT00759291
- Testing
- acipimox
- Where
- United States
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Brigham and Women's Hospital
Pre-hypertension, JNC 7 Stage I Hypertension
Center of Research Translation (CORT) Project 2
We propose a novel intervention for reducing BP that could have a preferential impact in patients with hyperuricemia and gout. There is a great need for new anti-hypertensives, particularly among those with gout.
- Trial name
- NCT02038179
- Testing
- Allopurinol
- Where
- United States
- Volunteers
- 99 people, healthy volunteers welcome
- Sponsor
- University of Alabama at Birmingham
Chronic Kidney Diseases, Endothelial Dysfunction
Resveratrol and Vascular Function in CKD
The proposed research is clinical study evaluating the therapeutic benefits of resveratrol on vascular function in patients with chronic kidney disease (CKD).
- Trial name
- NCT03597568
- Testing
- Resveratrol
- Where
- United States
- Volunteers
- 25 people
- Sponsor
- Diana Jalal
Cognitive Impairment, Hypertension
The Antihypertensives and Vascular, Endothelial and Cognitive Function Trial
The purpose of this study is to examine the effects of blood pressure medications on cognition and blood flow in hypertensive elderly patients with cognitive impairment.
- Conditions
- Cognitive Impairment, Hypertension, Aging
- Trial name
- AVEC (NCT00605072)
- Testing
- candesartan, lisinopril, hydrochlorothiazide
- Where
- 2 sites in United States
- Volunteers
- 53 people
- Sponsor
- University of Southern California
Endothelial Dysfunction, Obesity
Leptin Infusion and Endothelial Vasomotor Response
Adipose tissue is an active endocrine organ producing several hormones with circulatory and metabolic effects. In 1994, the hormone leptin was discovered.
- Conditions
- Endothelial Dysfunction, Obesity, Vasodilation, Venous Occlusion Plethysmography
- Trial name
- LIVARM (NCT04374500)
- Testing
- Leptin infusion plus vasodilators in healthy men, Leptin infusion in healthy men, Vasodilators in CAD patients
- Where
- 2 sites in Sweden, United Kingdom
- Volunteers
- 103 people, healthy volunteers welcome
- Sponsor
- Stefan Soderberg
Smoking
Airway and Pulmonary Vascular Endothelial Function in Healthy Smokers: Effect of Inhaled Glucocorticosteroid Treatment
The purposes of the present proposal are to 1) compare inhaled albuterol-induced changes in airway blood flow (Qaw), and in CO and Ppas in healthy current smokers and lifetime non-smokers as an index of endothelial function in…
- Trial name
- smoker3 (NCT02141633)
- Testing
- echocardiogram plus albuterol, airway blood flow plus albuterol, Fluticasone propionate
- Where
- United States
- Volunteers
- 31 people, healthy volunteers welcome
- Sponsor
- University of Miami
Cystic Fibrosis
Cystic Fibrosis and Endothelial Function: At Rest and During Exercise
Perhaps one of the most disturbing aspects of Cystic Fibrosis (CF) is the associated premature death. Oxidative stress has been observed in patients with CF and exercise intolerance has been shown to predict mortality in patients…
- Trial name
- NCT01772758
- Testing
- BH4 5mg, BH4 20mg, Antioxidant Cocktail
- Where
- United States
- Volunteers
- 64 people, healthy volunteers welcome
- Sponsor
- Augusta 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
Chronic Kidney Disease, Hypertension
Alpha-Adrenoceptor Vascular Function In Chronic Kidney Disease Focus On The Role Of Endothelial Nitric Oxide
The purpose of this study is to learn more about why most patients with early stages of kidney disease have high blood pressure.
- Trial name
- NCT00356265
- Testing
- Procedure: Regional phenylephrine arterial infusion
- Where
- United States
- Volunteers
- 18 people, healthy volunteers welcome
- Sponsor
- University of Michigan
Vitamin D Deficiency, Coronary Artery Disease
Vitamin D Repletion in Coronary Artery Disease
Vitamin D (Vit D) status is an emerging risk marker of great interest in cardiovascular disease (CVD). Lower serum levels of Vit D are associated with both cardiac risk factors and prevalent cardiovascular disease.
- Conditions
- Vitamin D Deficiency, Coronary Artery Disease, Endothelial Dysfunction, Inflammation
- Trial name
- NCT01570309
- Testing
- Ergocalciferol, Sugar pill
- Where
- 2 sites in United States
- Volunteers
- 96 people
- Sponsor
- Seth I. Sokol, M.D.