Clinical trials: Vascular Endothelial Function
Endothelial Dysfunction, Aging
Passive Mobilization and Vascular Function
With aging, vascular function (VF) declines. Inactivity and sedentary life style have been shown to contribute to the worsening of VF.
- Conditions
- Endothelial Dysfunction, Aging, Bed Rest
- Trial name
- NCT03087643
- Testing
- Passive mobilization - PM
- Where
- 3 sites in Italy
- Volunteers
- 51 people, healthy volunteers welcome
- Sponsor
- Universita di Verona
Postural Tachycardia Syndrome (POTS)
Effect of Dietary Sodium Intake on Vascular Endothelium
The investigators will test the hypothesis that markers of vascular endothelial dysfunction will be exaggerated acutely with an extreme high sodium diet compared to an extreme low-sodium diet.
- Trial name
- NCT01550315
- Testing
- Pulsitile Arterial Tonometry (PAT) Protocol, Calf Blood Flow in Reactive Hyperemia (CBF-RH), Evaluation of Forearm-Mediated Dilation
- Where
- United States
- Volunteers
- 27 people, healthy volunteers welcome
- Sponsor
- Vanderbilt University Medical Center
Cardiovascular Diseases
Effect of Estradiol+Drospirenone Versus Estradiol+MPA on Endothelial Function
This study compares the effects of two common hormone medications on the heart and blood vessels of healthy post-menopausal women over the age of 45. The study will take place over the course of about 5 months.
- Trial name
- NCT01109979
- Testing
- Estradiol+MPA, Estradiol+Drospirenone
- Where
- United States
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- Brigham and Women's Hospital
Cardiovascular Diseases, Atherosclerosis
Aspirin Dose and Atherosclerosis in Patients With Heart Disease
The purpose of the study is to test higher versus lower doses of aspirin on markers of atherosclerosis in patients who have had a heart attack.
- Conditions
- Cardiovascular Diseases, Atherosclerosis, Myocardial Infarction
- Trial name
- TAD (NCT00272337)
- Testing
- Aspirin
- Where
- 2 sites in United States
- Volunteers
- 37 people, healthy volunteers welcome
- Sponsor
- Florida Atlantic University
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
Obstructive Sleep Apnea
Study to Assess the Changes in Blood Clotting Factors and Blood Vessel Wall Function in Obstructive Sleep Apnea
Obstructive sleep apnea is a condition in which people have decreased breathing during their sleep. Untreated sleep apnea has been linked to increased risk for cardiovascular diseases.
- Trial name
- NCT00936481
- Where
- United States
- Volunteers
- 34 people, healthy volunteers welcome
- Sponsor
- Vanderbilt University
Endothelial Dysfunction
Impact of Smoking Cessation and γ-Tocopherol to Restore Vascular Endothelial Function
Cigarette smoking is a significant risk factor for cardiovascular disease (CVD) and is the leading cause of premature mortality in the US.
- Trial name
- NCT01314443
- Testing
- Nicotine Replacement Therapy (NRT), Gamma-Tocopherol, Smoking cessation
- Where
- United States
- Volunteers
- 67 people, healthy volunteers welcome
- Sponsor
- University of Connecticut
HIV Infection
Comparing Blood Vessel Endothelial Function in HIV-Infected People and Matched HIV-Uninfected People
The blood vessels that carry blood from the heart to the rest of the body are normally capable of relaxing and constricting when needed to provide more or less blood to the body.
- Trial name
- NCT00919724
- Where
- United States
- Volunteers
- 89 people, healthy volunteers welcome
- Sponsor
- Indiana University
Preeclampsia Postpartum
Losartan for Improved Vascular Endothelial Function After Preeclampsia
Women who develop preeclampsia during pregnancy are more likely to develop and die of cardiovascular disease later in life, even if they are otherwise healthy.
- Trial name
- LIVE-PE (NCT04632589)
- Testing
- Losartan Potassium
- Where
- United States
- Volunteers
- 11 people
- Sponsor
- Anna Stanhewicz, PhD
Hypertension, Diabetes Mellitus
Comparison Between Losartan and Benazepril in Diabetic Hypertensive Patients Not Controlled by Amlodipine
The purpose of this study is to compare losartan and benazepril in diabetic patients whose high blood pressure is not controlled by amlodipine and its relationship to statin current use.
- Trial name
- CONTROL (NCT01603940)
- Testing
- Benazepril, Losartan
- Where
- Brazil
- Volunteers
- 30 people
- Sponsor
- Hospital Universitario Pedro Ernesto
Hypertension
The Chronic Effects of Beetroot Juice in Hypertensive Subjects
We are interested in the effect of diet on blood pressure. Our previous research has shown that beetroot juice lowers blood pressure in healthy people.
- Trial name
- NCT01405898
- Testing
- beetroot juice, Nitrate-free beetroot juice
- Where
- United Kingdom
- Volunteers
- 68 people
- Sponsor
- Queen Mary University of London
Atherosclerosis, Systemic Lupus Erythematosus
Vitamin D to Improve Endothelial Function in SLE
Determine the effect of vitamin D repletion on flow mediated dilation (FMD, a measure of endothelial function) in vitamin D deficient systemic lupus erythematosus (SLE) patients.
- Trial name
- NCT01911169
- Testing
- Cholecalciferol
- Where
- United States
- Volunteers
- 9 people
- Sponsor
- Medical University of South Carolina
Prediabetes, Cardiovascular Disease
Cardioprotective Activities Of Whole Eggs On Vascular Endothelial Function In Prediabetic Adults
Cardiovascular disease (CVD) is largely a lifestyle-related condition that is the #1 killer of adults in the United States. Our work is aimed at understanding how short-term increases in blood sugar, like those that accompany…
- Trial name
- NCT02364570
- Testing
- Glucose (100g), Glucose (75g), Whole Eggs
- Where
- United States
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Ohio State University
Peripheral Arterial Disease
Endothelial Function in Lower Extremity Bypass Grafts
This study will determine whether or not saphenous vein [arterial] bypass grafts in the leg relax in response to increases in blood flow.
- Trial name
- NCT00759707
- Testing
- L-N^G monomethyl arginine (L-NMMA)
- Where
- United States
- Volunteers
- 19 people
- Sponsor
- Brigham and Women's Hospital
Chest Pain
Women With Chest Pain and Normal Coronary Arteries Study
The purpose of this study is to compare the effectiveness of standard medical therapy versus usual care in women with chest pain, coronary endothelial dysfunction and unblocked coronary arteries.
- Trial name
- NCT00743197
- Testing
- Aspirin, Lisinopril, Simvastatin
- Where
- United States
- Volunteers
- 3 people
- Sponsor
- Northwestern University
Hypertension
Efficacy of Dietary Sodium Restriction of Improving Vascular Endothelial Function in Middle Aged and Older Adults
The investigators hypothesize that reducing salt in the diet will improve the function of blood vessels in middle aged and older adults with moderately elevated systolic blood pressure, by increasing the amount of BH4 and nitric…
- Trial name
- NCT01566084
- Testing
- Slow sodium tablets
- Where
- United States
- Volunteers
- 17 people, healthy volunteers welcome
- Sponsor
- University of Colorado, Boulder
Age-related Macular Degeneration
Changes in Retinal Function After Intravitreal Ranibizumab for Age-related Macular Degeneration
Age-related macular degeneration, a leading cause of blindness, is caused by an abnormal growth of the vessels beneath the retina.
- Trial name
- NCT00539734
- Testing
- ranibizumab
- Where
- Thailand
- Volunteers
- 25 people
- Sponsor
- Prince of Songkla University
Hypertension, Mild Cognitive Impairment
CAndesartan vs LIsinopril Effects on the BRain
The aim of this study is to conduct a 1-year double blind randomized control trial comparing candesartan to lisinopril in 140 individuals with hypertension and executive mild cognitive impairment in their effects on executive…
- Trial name
- CALIBREX (NCT01984164)
- Testing
- Candesartan, Lisinopril
- Where
- United States
- Volunteers
- 176 people
- Sponsor
- Emory University
Major Depressive Disorder, Depression
Anti-INFLammatory to Address Mood and Endothelial Dysfunction (INFLAMED)
The objective of this clinical trial is to evaluate whether an anti-inflammatory medication, pentoxifylline, reduces depressive symptoms and improves artery function.
- Conditions
- Major Depressive Disorder, Depression, Depressive Symptoms, Cardiovascular Disease (CVD)
- Trial name
- INFLAMED (NCT01625845)
- Testing
- Pentoxifylline, Standard Treatment
- Where
- United States
- Volunteers
- 36 people
- Sponsor
- Indiana University
Healthy
Impacts of a Combined Berry Extract Supplement on Vascular Function and Oxygen Utility Capacity in Young Adults
The purpose of this study is to investigate the impacts of a combined berry extract supplement (hawthorn berry, tart cherry, and bromelain extracts) on total antioxidant capacity, endothelial function, blood pressure, oxygen…
- Trial name
- NCT04312022
- Testing
- Berry extract
- Where
- United States
- Volunteers
- 18 people, healthy volunteers welcome
- Sponsor
- University of Nebraska