Clinical trials: Vasodilation
Vascular Disease
Assessment of Short-term Effect of L-Citrulline on Endothelial Function and Vasodilation in Known CAD Patients
The purpose of this study is to determine the efficacy of oral L-Citrulline on endothelial function and vasodilation in patients with coronary artery disease(CAD) by evaluating the brachial artery diameter in the antecubital area…
- Trial name
- NCT02638727
- Testing
- L-Citrulline
- Where
- Iran
- Volunteers
- 30 people
- Sponsor
- Shahid Beheshti University of Medical Sciences
Healthy
Effects of Miconazole on Blood Flow
This study will investigate the effect of the drug miconazole on blood vessel dilation. Miconazole stops production of EDHF, a substance that causes arteries to dilate. EDHF is produced by the cells that line blood vessels.
- Trial name
- NCT00004575
- Testing
- Miconazole, L-NMMA, Bradykinin
- Where
- United States
- Volunteers
- 15 people, healthy volunteers welcome
- Sponsor
- National Heart, Lung, and Blood Institute (NHLBI)
Vascular, Endothelial
Feasibility of Digital Thermal Monitoring to Assess Endothelium-Dependent Vasodilation in Patients Undergoing Hematopoietic Cell Transplantation (HCT)
The Vendys II, an FDA-approved device, uses finger digital thermal monitoring (DTM) after a period of blood flow restriction to evaluate vascular health.
- Conditions
- Vascular, Endothelial, Endothelial Dysfunction, Endothelix
- Trial name
- NCT05029752
- Testing
- Vendys II Device
- Where
- United States
- Volunteers
- 27 people
- Sponsor
- M.D. Anderson Cancer Center
Healthy
The Effect of Lopinavir/Ritonavir on Endothelial Function
This study will examine how the anti-HIV protease inhibitor lopinavir/ritonavir (Kaletra® (Registered Trademark)) affects the function of the endothelium (lining of the arteries).
- Trial name
- NCT00076414
- Testing
- Acetylcholine, L-NMMA
- Where
- United States
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- National Institutes of Health Clinical Center (CC)
Congestive Heart Failure, Low Cardiac Output
Losartan in Decompensated Heart Failure
The dual blockade of the renin-angiotensin-aldosterone system with an angiotensin-converting enzyme inhibitor and an angiotensin-receptor blocker used together in heart failure patients has been demonstrated to be beneficial.
- Trial name
- NCT01857999
- Testing
- Losartan
- Where
- Brazil
- Volunteers
- 21 people
- Sponsor
- InCor Heart Institute
HIV Infections
Blood Vessel Function in HIV-Infected Patients Taking Anti-HIV Drugs
This is a substudy of ACTG A5142. The purpose of this substudy is to evaluate blood vessel function in HIV-infected patients taking anti-HIV drugs.
- Trial name
- NCT00050908
- Where
- 9 sites in United States
- Volunteers
- 75 people
- Sponsor
- National Institute of Allergy and Infectious Diseases (NIAID)
Superficial Partial Thickness Burn, Skin Graft; Complications
Nitric Oxide Generating Gel Dressing in Patients With Superficial Partial Thickness Wounds
This is a study to assess the safety and efficacy of a nitric oxide (NOx) generating dressing on superficial partial thickness (SPT) wounds. Nitric oxide has a range of effects on the body including vasodilation and angiogenesis.
- Trial name
- ProNOx2 (NCT01983085)
- Testing
- NOx dressing, Standard of Care
- Where
- 2 sites in United Kingdom
- Volunteers
- 13 people
- Sponsor
- Edixomed Ltd
Radial Artery Injury at Wrist and Hand Level, Occlusion of Artery
Intraarterial Nitroglycerin Versus Nicardipine and Radial Artery Occlusion
A total of 600 patients undergoing coronary procedures via transradial access using 6F sheath were randomized at the end of the procedure to receive either 250-µg nicardipine or 500-µg nitroglycerin administered to the radial…
- Conditions
- Radial Artery Injury at Wrist and Hand Level, Occlusion of Artery, Vasodilation
- Trial name
- NONERAO (NCT03622060)
- Testing
- Nitroglycerin
- Where
- Indonesia
- Volunteers
- 600 people
- Sponsor
- Hermina Heart Center Kemayoran
Diabetes Mellitus, Healthy
Vascular Effects of Endothelium-Derived Versus Hemoglobin-Transported Nitric Oxide in Healthy Subjects
Nitric oxide (NO) is a soluble gas, continuously synthesized by the endothelium, that contributes importantly to vasodilator tone of the coronary and systemic circulations by activating guanylyl cyclase in vascular smooth muscle…
- Conditions
- Diabetes Mellitus, Healthy, Hypercholesterolemia, Hypertension
- Trial name
- NCT00001963
- Testing
- hemoglobin-transported nitric oxide
- Where
- United States
- Volunteers
- 28 people, healthy volunteers welcome
- Sponsor
- National Heart, Lung, and Blood Institute (NHLBI)
Atrial Fibrillation, Endothelial Function
A Case Control Study to Investigate the Possible Association Between Atrial Fibrillation and Endothelium Dysfunction by Using Flow-Mediated Vasodilation Method
Endothelial function is closely related to the hemostasis , vascular tone, and organ perfusion in cardiovascular system, and its dysfunction would cause overactivation of the coagulative system to induce thrombus formation.
- Trial name
- NCT00173966
- Where
- Taiwan
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- National Taiwan University Hospital
Nitric Oxide, Endothelium-Derived Relaxing Factor
Effects of Nitrite on Blood Vessel Dilation in Normal Volunteers
Nitric oxide gas is important in regulating blood vessel dilation, and consequently, blood flow. This gas is continuously produced by endothelial cells, which line the blood vessels.
- Conditions
- Nitric Oxide, Endothelium-Derived Relaxing Factor, Healthy
- Trial name
- NCT00048477
- Testing
- L-NMMA and Sodium Nitrite
- Where
- United States
- Volunteers
- 42 people, healthy volunteers welcome
- Sponsor
- National Heart, Lung, and Blood Institute (NHLBI)
Duchenne Muscular Dystrophy, Duchenne Disease
Vasodilator and Exercise Study for DMD (VASO-REx)
Examining two strategies as potential adjuvant therapies for Duchenne muscular dystrophy (DMD); aerobic exercise training (to induce adaptations in skeletal muscle and improve cardiovascular health) and tadalafil, an FDA-approved…
- Conditions
- Duchenne Muscular Dystrophy, Duchenne Disease, Muscular Dystrophy, Muscular Dystrophy in Children
- Trial name
- NCT06290713
- Testing
- Tadalafil, Exercise Training
- Where
- United States
- Volunteers
- 50 people
- Sponsor
- University of Florida
Hypercholesterolemia, Hypertension
Effects of Rosiglitazone on Blood Vessels in Patients With High Blood Pressure and High Cholesterol
Cells in the lining of blood vessels produce various substances that cause the vessels to dilate (relax) and constrict (tighten), thereby regulating blood flow.
- Trial name
- NCT00006071
- Where
- United States
- Volunteers
- 120 people, healthy volunteers welcome
- Sponsor
- National Heart, Lung, and Blood Institute (NHLBI)
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
Internal Mammary Artery Syndrome, Vasodilation
Effect of Topically-applied Milrinone or Nitroglycerin on Internal Mammary Artery Free Flow
Forty-six consecutive patients undergoing elective primary coronary artery bypass grafting were enrolled. After the left IMA was harvested, free flow was measured under controlled hemodynamic conditions before any intervention…
- Trial name
- NCT06301880
- Testing
- The topical application of a vasodilator on the LIMA graft
- Where
- Syria
- Volunteers
- 46 people, healthy volunteers welcome
- Sponsor
- Damascus University
Cerebrovascular Accident, Fabry Disease
Vasodilation in Patients With Fabry's Disease
Fabry's disease a genetic disorder (X-linked recessive) due to the absence of the enzyme alpha-galactosidase A. The disease is characterized by abnormal collections of glycolipids in cells (histiocytes) within blood vessel walls…
- Conditions
- Cerebrovascular Accident, Fabry Disease, Healthy
- Trial name
- NCT00001774
- Where
- United States
- Volunteers
- 48 people, healthy volunteers welcome
- Sponsor
- National Institute of Neurological Disorders and Stroke (NINDS)
Congenital Heart Disease, Fontan
Effects of Pulmonary Vasodilation Upon VA Coupling in Fontan Patients
The study involves documenting the effects of inhaled nitric oxide upon ventricular-arterial coupling in patients with congenital heart disease and passive pulmonary blood flow.
- Trial name
- NCT01607983
- Testing
- inhaled nitric oxide
- Where
- United States
- Sponsor
- University of California, San Francisco
Heart Disease, Heart Failure
Investigating Systemic and Local Vascular Responses to Apelin in the Context of Renin-angiotensin Upregulation
The apelin-APJ system is a relatively new discovery. It has generated interest in part due to it's apparent ability to counteract the renin-angiotensin system, which is frequently overactive in many cardiovascular disease.
- Conditions
- Heart Disease, Heart Failure, Vasodilatation
- Trial name
- NCT00901719
- Testing
- Apelin, Acetylcholine, Sodium nitroprusside
- Where
- United Kingdom
- Volunteers
- 12 people, healthy volunteers welcome
- Sponsor
- University of Edinburgh
Healthy, Hypercholesterolemia
Study of the Response of Human Small Blood Vessels
A layer of cells called the endothelium line the walls of blood vessels. These cells produce substances that control the tone of blood vessels and thus control blood flow through the vessel.
- Conditions
- Healthy, Hypercholesterolemia, Hypertension
- Trial name
- NCT00001622
- Testing
- investigate the relationship between in vivo and in vitro vascular responses
- Where
- United States
- Volunteers
- 87 people, healthy volunteers welcome
- Sponsor
- National Heart, Lung, and Blood Institute (NHLBI)
MELAS Syndrome
L-arginine Therapy on Endothelium-dependent Vasodilation & Mitochondrial Metabolism in MELAS Syndrome
MELAS patients suffer from exercise intolerance, weakness, poor vision or blindness, poor growth, developmental delay, and deafness.
- Trial name
- NCT01603446
- Testing
- L-Arginine
- Where
- Canada
- Volunteers
- 7 people, healthy volunteers welcome
- Sponsor
- The Hospital for Sick Children