Clinical trials: Vasodilation
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
Hypertension, Insulin Resistance
Role of AT1-receptor Blockers in Insulin-induced Vasodilation.
In this study we hypothesize that blocking the angiotensin II AT1-receptor improves the insulin-induced microvascular dilatation. Objectives: 1.
- Conditions
- Hypertension, Insulin Resistance, Microcirculation
- Trial name
- NCT00742066
- Testing
- Irbesartan, Felodipine
- Where
- Netherlands
- Volunteers
- 32 people, healthy volunteers welcome
- Sponsor
- Maastricht University Medical Center
Determine the Effects of Nitrosigine and Citrulline-malate on Flow-mediated Dilation Among Young Adults
Evaluation of Sports Supplements on Blood Flow
Many athletes seek to increase their plasma (blood) nitric oxide content prior to exercise in order to augment vasodilation. Increased vasodilation during exercise, especially high intensity resistance training, allows for more…
- Trial name
- NCT04278053
- Testing
- inositol-stabilized arginine silicate
- Where
- United States
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- University of Arkansas, Fayetteville
Pre Diabetes, Vascular Stiffness
Dietary Exchanges With Avocado and Mango in Pre-diabetes
The research is designed as a randomized, 2-arm, parallel, controlled, human clinical trial to investigate the effects of avocado and mango consumption for 8 weeks on indices of macro- and micro- vascular function in individuals…
- Conditions
- Pre Diabetes, Vascular Stiffness, Vascular Dilation, Cognitive Change
- Trial name
- AVMa (NCT05353790)
- Testing
- Meals + snacks: control, Meals + snacks: Avocado mango
- Where
- United States
- Volunteers
- 82 people, healthy volunteers welcome
- Sponsor
- Clinical Nutrition Research Center, Illinois Institute of Technology
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
Healthy Aging, Vascular Dilation
Effects of a Supplement to Target Ageing Mechanisms on Vascular Function (STAMINA)
In the ageing society, extending the healthy lifespan is a major challenge and a healthy diet may play an import role in maintaining health throughout life.
- Trial name
- STAMINA (NCT06145087)
- Testing
- "NOVOS Core" supplement
- Where
- United Kingdom
- Volunteers
- 61 people, healthy volunteers welcome
- Sponsor
- University of Surrey
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
- NCT00901745
- Testing
- Angiotensin II, Noradrenaline infusion
- Where
- United Kingdom
- Volunteers
- 12 people, healthy volunteers welcome
- Sponsor
- University of Edinburgh
Hyperlipidemias, Hypertension
The Effect of Farlong® NotoGinseng™ (Ginseng Plus®) on Cholesterol and Blood Pressure
In this randomized, placebo-controlled, double-blind parallel study in human participants with elevated LDL-C and elevated BP described here, the clinical benefits of Farlong NotoGinseng™ (Farlong Ginseng Plus® Panax Notoginseng…
- Trial name
- NCT04069715
- Testing
- Farlong NotoGinseng™ (Farlong Ginseng Plus® Panax Notoginseng extract)
- Volunteers
- 95 people, healthy volunteers welcome
- Sponsor
- LongStar HealthPro, Inc. DBA Farlong Pharmaceutical
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)
Vascular Dilation, Arterial Stiffness
Effects of Inorganic Nitrate and Intensity of Exercise on Cardiovascular Health in Post-Menopausal Females
Post-menopausal females experience elevated cardiovascular disease risk (CVD), compared to premenopausal females and age-matched males.
- Trial name
- NCT05221905
- Testing
- BEET IT - Concentrate Beet root juice, BEET IT - Concentrate Beet root juice (nitrate depleted)
- Where
- United States
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- University of Virginia
Nitric Oxide, Vasodilation
Evidence of Spreading Vasodilation in Human Gingiva
The aim of this study is to observe the mechanism of spreading vasodilatation on human healthy gingiva. Nitric-oxide donor solutions in lower and higher concentration are used to trigger the vasoactivity.
- Conditions
- Nitric Oxide, Vasodilation, Oral Soft Tissue Conditions
- Trial name
- NCT03605095
- Testing
- nitroglycerin
- Where
- Hungary
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Semmelweis University
Healthy
Effect of Simvastatin Withdrawal on Ocular Endothelial Function
Statins are drugs representing the most commonly prescribed medication for the treatment of hypercholesterolemia. In a recently published study, discontinuation of statin therapy in patients after acute myocardial infarction was…
- Trial name
- NCT02533141
- Testing
- Dynamic Vessel Analyzer (DVA), Laser Doppler Velocimetry (LDV), Simvastatin
- Where
- Austria
- Volunteers
- healthy volunteers welcome
- Sponsor
- Medical University of Vienna
Cardiovascular Diseases, Vasodilation
Effects of n-3 Polyunsaturated Fatty Acids and Antioxidants on Postprandial Hyperlipidemia and Vascular Function in Men
Diet has long been used as a way to provide enough nutrients to an individual in order to meet metabolic requirements. However, recent scientific advancements have suggested that beyond meeting nutrition needs, diet may also be…
- Trial name
- NCT00296595
- Testing
- Nutrition
- Where
- Canada
- Volunteers
- 99 people, healthy volunteers welcome
- Sponsor
- Laval University
Obesity
Effect of DPP4 Inhibition on Growth Hormone Secretion
This study tests the following hypotheses: Aim 1: Test the hypothesis that acute dipeptidyl peptidase 4 (DPP4) inhibition with the currently available anti-diabetic drug, sitagliptin, will increase stimulated growth hormone (GH)…
- Trial name
- NCT01701973
- Testing
- Sitagliptin, Pegvisomant, L-NMMA
- Where
- United States
- Volunteers
- 44 people, healthy volunteers welcome
- Sponsor
- Vanderbilt University
Endometriosis
Cardiovascular Disease Risk in Women With Endometriosis
To test the hypothesis that estrogen suppression impairs endothelial dysfunction in endometriosis.
- Trial name
- NCT03746535
- Testing
- Elagolix
- Where
- United States
- Volunteers
- 21 people, healthy volunteers welcome
- Sponsor
- Yale University
Vasodilation, Diabetes Mellitus, Type 2
Impact of Regional Vibration Application and Flow Mediated Dilation on Brachial Artery Hemodynamics
Application of vibration has been previously shown to affect tissue perfusion and utilized in different branches of medicine. Little is known about the acute impact of vibration application on peripheral artery hemodynamics.
- Trial name
- VMD (NCT05492071)
- Testing
- Local Vibration Application Following Flow Mediated Dilation, Flow mediated dilation
- Where
- Turkey (Türkiye)
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- Istanbul 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
Cardiovascular Disease
The Impact of Almond Nut Consumption on Markers of CVD & Metabolic Health
The purpose of this study is to investigate the cardio-metabolic health effects of consuming almond nuts in place of habitual (usual) snack products in adults at moderate risk of developing cardiovascular disease
- Trial name
- Almonds (NCT02907684)
- Testing
- Almonds, Muffins/Crackers
- Where
- United Kingdom
- Volunteers
- 108 people, healthy volunteers welcome
- Sponsor
- King's College London
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
Vasodilation, Vasoconstriction
Sex Differences in Sympathetic Vascular Reactivity at High Altitude
This study aims to investigate sex differences in blood pressure control associated with exposure to acute hypoxia (low oxygen), and short term acclimatization to hypoxia at high altitude.
- Trial name
- NCT05525416
- Testing
- Sodium Nitroprusside, Phenylephrine Hydrochloride, Norepinephrine
- Where
- 2 sites in Canada
- Volunteers
- 17 people, healthy volunteers welcome
- Sponsor
- University of Alberta