Clinical trials: Vasodilation
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
Cardiovascular Disease
The Role of Nitric Oxide Synthase in Circulating Progenitor Cell Function
Our main hypothesis is that EPC function is impaired in some populations with high cardiovascular risk as a result of reduced eNOS-dependent NO production.
- Trial name
- NCT00627068
- Where
- United States
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- University of California, San Francisco
Type 1 Diabetes Mellitus, Glucokinase-Maturity Onset Diabetes of the Young (GCK-MODY)
Cardiometabolic Benefit of Reducing Iatrogenic Hyperinsulinemia Using Insulin Adjunctive Therapy in Type 1 Diabetes
This study aims to understand the heart and blood sugar health benefits of using an adjunctive therapy to lower high insulin levels in people with type 1 diabetes.
- Conditions
- Type 1 Diabetes Mellitus, Glucokinase-Maturity Onset Diabetes of the Young (GCK-MODY), MODY2 Diabetes, Healthy Volunteer
- Trial name
- ACT T1D (NCT06609356)
- Testing
- Study Visit 1, Study Visit 2, Sodium Glucose Co-transporter 2 (SGLT2) Inhibitor
- Where
- United States
- Volunteers
- 27 people, healthy volunteers welcome
- Sponsor
- Vanderbilt University Medical Center
Diabetic Retinopathy
Topical Application of Latanoprost in Diabetic Retinopathy
Randomized double-blinded two-year intervention study with topical application of latanoprost or placebo eye drops in patients with diabetic retinopathy.
- Trial name
- Latano-2 (NCT01225653)
- Testing
- Latanoprost
- Where
- Denmark
- Volunteers
- 27 people
- Sponsor
- University of Aarhus
Esophageal Cancer, Gastric Cancer
CT Perfusion Changes in GI Cancer During Adenosine Vasodilation Test
The aim of this study was to investigate changes in abdominal tissue perfusion during adenosine vasodilation. Our hypotheses were that CT perfusion measurements are altered by changes in the circulatory system mediated by…
- Trial name
- NCT02074124
- Where
- Denmark
- Volunteers
- 15 people
- Sponsor
- University of Copenhagen
Frail Elderly Syndrome
Low Intensity Training Combined With KAATSU on Muscle Vasodilatation and Arterial Stiffness in the Elderly Population
The purpose of the present study is to evaluate the acute and chronic effect of low intensity strength training with or without moderate blood flow restriction on muscle vasodilation and arterial stiffness in elders with low gait…
- Trial name
- NCT03272737
- Testing
- 1RM Test, Speed gait test, Venous occlusion plethysmography protocol
- Where
- Brazil
- Volunteers
- 26 people, healthy volunteers welcome
- Sponsor
- Hospital Israelita Albert Einstein
Diabetic Neuropathy Peripheral, Small Vessel Disease of Diabetes Mellitus
Microcirculatory Vasomotor Changes in Type 2 Diabetes With Peripheral Neuropathy
Microcirculatory flow is subject to cyclic changes under the influence of heart rate, respiration, myogenic activity, neurogenic factors and endothelial factors.
- Conditions
- Diabetic Neuropathy Peripheral, Small Vessel Disease of Diabetes Mellitus, Vasodilation, Vasoconstriction
- Trial name
- NEUROMICRO (NCT03847779)
- Testing
- "Rest", "Exercise", "Foot lowering"
- Where
- France
- Volunteers
- 108 people, healthy volunteers welcome
- Sponsor
- University of Avignon
Type 2 Diabetes, Endothelial Dysfunction
Vildagliptin and Endothelium-dependent Vasodilatation
Rationale: Cardiovascular complications in type 2 diabetes are the leading cause of morbidity and mortality associated with the disease. Endothelial dysfunction is regarded as an important factor in these vascular complications.
- Trial name
- NCT01000688
- Testing
- vildagliptin + acarbose, acarbose + vildagliptin
- Where
- Netherlands
- Volunteers
- 16 people
- Sponsor
- Radboud University Medical Center
Vasodilation, Blood Pressure
Nitrate Supplementation and Muscle Blood Flow
The main purpose of this study is to evaluate the effects of an acute dose of dietary nitrate in the form of beetroot juice on skeletal muscle blood flow in response to dynamic knee extension exercise in healthy older adults.
- Conditions
- Vasodilation, Blood Pressure, Active Hyperemia, Aging
- Trial name
- NCT03459027
- Testing
- Super Beets, Beetroot powder
- Where
- United States
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- University of Iowa
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
Pulmonary Edema, Congestive Heart Failure
DECONGEST-AHF: Vasodilatation or Loop Diuretics in Acute Heart Failure
DECONGEST-AHF compares three initial treatments for adults admitted with suspected pulmonary congestion due to acute heart failure: intravenous furosemide, intravenous isosorbide dinitrate, or both medicines together.
- Conditions
- Pulmonary Edema, Congestive Heart Failure, Acute Heart Failure
- Trial name
- DECONGEST-AHF (NCT05276219)
- Testing
- Furosemide Injection, Isosorbide Dinitrate, Furosemide and isosorbide dinitrate
- Where
- 5 sites in Denmark
- Volunteers
- 1,041 people
- Sponsor
- Copenhagen University Hospital, Rigshospitalet
Hypertension
A Study of the Effect of Nebivolol to Evaluate Its Vasodilatory Effects in Hypertensive Patients
The study is designed to compare the effects of nebivolol (10, 20, 40mg/day) with another beta blocker, extended-release metoprolol, at a range of doses.
- Trial name
- NCT00648895
- Testing
- Nebivolol, Metoprolol ER (TM)
- Where
- United States
- Volunteers
- 12 people
- Sponsor
- Forest Laboratories
Heart Disease, Vasodilation
Interaction of Apelin and Angiotensin in the Human Forearm Circulation
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.
- Trial name
- NCT00901888
- Testing
- Apelin infusion, Sodium nitroprusside infusion
- Where
- United Kingdom
- Volunteers
- 12 people, healthy volunteers welcome
- Sponsor
- University of Edinburgh
Radial Artery
Radial Artery Vasodilation Heat Study
The purpose of this study is to collect data about the efficacy of utilizing distal topical heat application for dilatation of the radial artery.
- Trial name
- NCT03620383
- Testing
- Topical Heat
- Where
- United States
- Volunteers
- 45 people, healthy volunteers welcome
- Sponsor
- Oregon Health and Science University
Sleep
Stable Sleep Pattern Before Sleep Loss
Sleep is now recognized as important for disease prevention. Too little or too much sleep contributes to cardiovascular disease. Leading health organizations recommend adults sleep 7-9 hours per night for optimal health.
- Trial name
- NCT06201390
- Testing
- Sleep consistency
- Where
- United States
- Volunteers
- 16 people, healthy volunteers welcome
- Sponsor
- Texas Tech University
Acute Heart Failure (AHF)
Evaluating the Effects of Nitroglycerin on Heart Function and Urinary Output in Patients With Acute Heart Failure
This study aims to understand how nitroglycerin affects patients with acute heart failure, a condition where the heart struggles to pump blood effectively, leading to fluid buildup and breathing difficulties.
- Trial name
- NCT06682260
- Testing
- Nitroglycerin (NTG)
- Where
- Denmark
- Volunteers
- 21 people
- Sponsor
- Copenhagen University Hospital, Hvidovre
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)
Microvascular Angina, Hypertension
Effects of Intensive Long-Term Vasodilation in Hypertensive Patients With Microvascular Angina Pectoris
The purpose of this study is to determine if long-term vasodilatory treatment is more effective than the standard treatment in hypertensive patients with microvascular angina pectoris
- Trial name
- NCT00424801
- Testing
- Lercanidipine, Valsartan, Nicorandil
- Where
- Denmark
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- University of Aarhus
Headache, Migraine
Investigation of Vasodilation and Intensity of Headache Triggered by Glucagon Like Peptide-1 in Humans
Studying glucagon-like peptide-1 (GLP-1) induced vasodilatory effects on extra - and intracerebral arteries and headache in healthy volunteers and migraine patients without aura.
- Trial name
- NCT04232605
- Testing
- GLP-1 peptide
- Where
- Denmark
- Volunteers
- 43 people, healthy volunteers welcome
- Sponsor
- Danish Headache Center
Pulmonary Arterial Hypertension, Vasodilation
Role of Endothelin-A (ETA) and Endothelin-B (ETB) Receptors in the Vasodilatory Response to Endothelin-3 (ET-3)
Endothelin-1 (ET-1) has been linked to a number of conditions including pulmonary arterial hypertension (PAH). ET-1 acts via 2 receptors, ETA and ETB.
- Conditions
- Pulmonary Arterial Hypertension, Vasodilation, Vasoconstriction
- Trial name
- NCT01100736
- Testing
- Bosentan, Sitaxsentan, Endothelin-3
- Where
- United Kingdom
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- University of Edinburgh