Clinical trials: Vascular Endothelial Function
Cardiac Surgery
Risk of Oxygen During Cardiac Surgery Trial
The investigators will recruit and randomize 200 elective cardiac surgery patients to receive physiologic oxygenation (normoxia) or hyper-oxygenation (hyperoxia) during surgery to test the hypothesis that intraoperative…
- Trial name
- ROCS (NCT02361944)
- Testing
- Oxygen - normoxia, Oxygen - hyperoxia
- Where
- United States
- Volunteers
- 213 people
- Sponsor
- Vanderbilt University
HIV, Inflammation
PET/CT Imaging Companion Study To ACTG A5314
HIV-infected individuals on antiretroviral therapy (ART) are at increased risk for cardiovascular disease (CVD), likely due to chronically increased inflammation.
- Conditions
- HIV, Inflammation, Atherosclerosis
- Trial name
- PET/CTMTX (NCT02312219)
- Testing
- Folic Acid, Low Dose Methotrexate
- Where
- United States
- Volunteers
- 35 people
- Sponsor
- Massachusetts General Hospital
Spinal Cord Injury, Chronic Inflammation
Impact of Passive Heat on Metabolic, Inflammatory and Vascular Health in Persons With Spinal Cord Injury
SCI results in higher incidence of heart disease and diabetes and heart disease is the most common cause of death. Chronic inflammation, deleterious changes in vascular structure and impaired glucose metabolism are risk factors…
- Conditions
- Spinal Cord Injury, Chronic Inflammation, Glucose Metabolism, Endothelial Function
- Trial name
- SCIPHS (NCT04971408)
- Testing
- passive heat stress, Control
- Where
- United States
- Volunteers
- 10 people
- Sponsor
- VA Office of Research and Development
Type 2 Diabetes Mellitus
Vascular Effects of Rosiglitazone Versus Glyburide in Type 2 Diabetic Patients
The purpose of this study is to compare the vascular effects of two commonly used diabetes medications, rosiglitazone and glyburide in type 2 diabetic patients.
- Trial name
- NCT00123643
- Testing
- rosiglitazone, glyburide
- Where
- United States
- Volunteers
- 36 people
- Sponsor
- St. Paul Heart Clinic
Diabetes Mellitus, Type 2, Endothelial Dysfunction
Assessment of Dapagliflozin on Vascular Health in Patients With Type 2 Diabetes
Patients with Type 2 Diabetes Mellitus (T2DM) have changes in blood vessel health that can lead to a higher chance of developing heart attacks or strokes.
- Trial name
- SFRNDM2 (NCT05139914)
- Testing
- Dapagliflozin
- Where
- United States
- Volunteers
- 4 people
- Sponsor
- Boston University
Type 2 Diabetes Mellitus
Free Fatty Acids and Vascular Function in Subjects With Diabetes
This study will test the hypothesis that reduction in release of free fatty acids from adipocytes will restore insulin-mediated endothelium-dependent vasodilation and skeletal muscle glucose metabolism in subject with type 2…
- Trial name
- NCT00153179
- Testing
- acipimox
- Where
- United States
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Brigham and Women's Hospital
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
Coronary Heart Disease
Testosterone and Myocardial Perfusion in Coronary Heart Disease (CHD)
Testosterone has traditionally been regarded as a risk factor for heart disease due to the fact that males have a higher incidence of this disease than women, at least until the menopause.
- Trial name
- NCT00239590
- Testing
- Testosterone undecanoate
- Where
- United Kingdom
- Volunteers
- 28 people
- Sponsor
- Imperial College London
Type 2 Diabetes Mellitus
The Study of Exenatide Action on Vessel Function in Type 2 Diabetes and Prediabetes
The purpose of this investigation is to evaluate whether exenatide, a type 2 diabetes medication, will improve the function of the innermost part of the arterial wall called the endothelium after a fat-enriched meal and to…
- Trial name
- NCT01181986
- Testing
- Exenatide SC, Exenatide IV, Exendin-9
- Where
- United States
- Volunteers
- 76 people
- Sponsor
- Carl T. Hayden VA Medical Center
HIV
Effects of Switching Efavirenz to Raltegravir on Vascular Function and Bone Markers in HIV-infected Patients
Efavirenz, a commonly used HIV medication, may cause worsening vascular function and bone problems. The purpose of this study is to determine if switching efavirenz to raltegravir, a newer HIV medication, will improve vascular…
- Trial name
- NCT01270802
- Testing
- Tenofovir/emtricitabine, Tenofovir/emtricitabine/efavirenz, Raltegravir
- Where
- United States
- Volunteers
- 30 people
- Sponsor
- Indiana University
Diabetes, Atherosclerosis
Effects of Sitagliptin on Endothelial Function in Type 2 Diabetes on Background Metformin Therapy
The study is being performed to determine whether sitagliptin, a dipeptidyl peptidase-4 inhibitor, both acutely and chronically improves blood vessel function.
- Trial name
- NCT01859793
- Testing
- sitagliptin
- Where
- United States
- Volunteers
- 38 people
- Sponsor
- Medical College of Wisconsin
Hypertension
Melatonin and Nighttime Blood Pressure in African Americans--24 mg Study
The purpose of this study is to test the effect of oral melatonin supplementation (24 mg per night for 4 weeks) on nighttime blood pressure in African Americans with a history of elevated nighttime blood pressure.
- Trial name
- NCT01114373
- Testing
- Melatonin
- Where
- United States
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Emory University
Aging, Inflammation
Effect of Age and Fitness on Vascular Function and Oxidative Stress During Acute Inflammation
This study focuses on whether high cardiorespiratory fitness in older adults has a protective effect on the vascular response to acute inflammation in comparison to low-fit older and young adults.
- Trial name
- NCT03889158
- Testing
- Typhoid Vaccine, Ascorbic Acid
- Where
- United States
- Volunteers
- 35 people, healthy volunteers welcome
- Sponsor
- University of Illinois Chicago
Improve Endothelial Function and Decrease Vascular Stenosis
Phosphodiesterase Type 5 Inhibition to Improve Endothelial Function and Vascular Remodeling in Chronic Kidney Disease and End Stage Renal Disease Patients Requiring New Arteriovenous Fistula
Patients with stage IV and V chronic kidney disease and end stage renal disease requiring hemodialysis at University of Alabama at Birmingham (UAB) Dialysis Clinics will be recruited from the UAB Vascular Access Clinic, which has…
- Trial name
- NCT02414204
- Testing
- Sildenafil
- Where
- United States
- Volunteers
- 4 people
- Sponsor
- University of Alabama at Birmingham
Coronary Artery Disease, Atherosclerosis
Rilonacept to Improve Artery Function in Patients With Atherosclerosis
This study will determine whether an experimental drug called Rilonacept can improve artery function in patients with atherosclerosis, a disease in which fatty deposits in arteries cause the vessels to stiffen, impeding blood…
- Conditions
- Coronary Artery Disease, Atherosclerosis, Inflammation, Endothelial Dysfunction
- Trial name
- NCT00417417
- Testing
- Rilonacept
- Where
- United States
- Volunteers
- 10 people
- Sponsor
- National Heart, Lung, and Blood Institute (NHLBI)
Coronary Heart Disease
A Study Assessing the Effect of RO4607381 on Vascular Function in Patients With Coronary Heart Disease (CHD) or CHD-Risk Equivalent Patients
This study will assess the safety, tolerability and efficacy of RO4607381 in patients with coronary heart disease (CHD) or CHD risk equivalents.
- Trial name
- NCT00655538
- Testing
- dalcetrapib
- Where
- 23 sites in Austria, France and 5 more
- Volunteers
- 476 people
- Sponsor
- Hoffmann-La Roche
Hypertriglyceridemia
Vascular and Lipid Effects of Omega-3 Fatty Acids in People With Moderately Elevated Triglycerides
The purpose of this study is to evaluate the cardiovascular and lipid effects of two doses of an omega-3 fatty acid concentrate in a group of people who normally are not treated for high lipids.
- Trial name
- OMEGA (NCT00504309)
- Testing
- 4/day of 4g P-OM3 capsules, 4/day of 1g P-OM3 capsules
- Where
- United States
- Volunteers
- 28 people
- Sponsor
- Penn State University
Atherosclerosis
Integrated Biomarker And Imaging Study - 2
IBIS-2 is a study using SB-480848 versus placebo in subjects with angiographically documented coronary heart disease. Endpoints include coronary imaging, endothelial function, biomarkers, safety and tolerability.
- Trial name
- NCT00268996
- Testing
- SB-480848
- Where
- 26 sites in Austria, Belgium and 9 more
- Volunteers
- 336 people
- Sponsor
- GlaxoSmithKline
Hyperlipidemia
Exploratory Study of the Effect of Omega-3-acid Ethyl Esters (TAK-085) on Vascular Endothelial Function in Patients With Hyperlipidemia by Flow Mediated Dilation
The purpose of this study is to explore the effects of omega-3-acid ethyl esters (TAK-085) on vascular endothelial function when administered for 8 weeks, as measured by FMD, in patients with hyperlipidemia.
- Trial name
- Oasis Flow (NCT02824432)
- Testing
- TAK-085
- Where
- 4 sites in Japan
- Volunteers
- 37 people
- Sponsor
- Takeda
Endothelial Dysfunction
The Effects of Watermelon Juice Supplementation on Postprandial Vascular Endothelial Function
The purpose of this study is to test if watermelon juice supplementation improves vascular dysfunction experience during hyperglycemia.
- Trial name
- WMJ (NCT04092439)
- Testing
- Watermelon Juice
- Where
- United States
- Volunteers
- 18 people, healthy volunteers welcome
- Sponsor
- Pennington Biomedical Research Center