Clinical trials: Vascular Endothelial Function
Acute Coronary Syndome
Is Efficacy of PLAtelet Aggregation Inhibition by Ticagrelor Mediated P2Y12 Blockade Dependent Upon Endogenous Endothelial Nitric OXide?
Background Acute coronary syndrome (ACS) is a term representing all diseases related to reduction in blood flow to the heart characterised by clot formation over a segment of blood vessel narrowing.
- Trial name
- PLATE NOX (NCT02169596)
- Testing
- Ticagrelor, EndoPAT - endothelial assessment
- Where
- United Kingdom
- Volunteers
- 74 people, healthy volunteers welcome
- Sponsor
- Hull University Teaching Hospitals NHS Trust
Healthy Older Adults
Interactive Effects of Sodium and Potassium on Vascular Health in Older Adults
The goal of this clinical trial is to determine if a high potassium intake can counteract the harmful effects of excess sodium on endothelial function in older adults with no history of cardiometabolic disease.
- Trial name
- NCT07649005
- Testing
- low sodium/low potassium diet, high sodium/low potassium diet, high sodium/high potassium diet
- Where
- United States
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Florida State University
Obesity
Characterization of Brachial Arterial t-PA Release, Endothelial Function, Obesity and Inflammation
T-PA release is impaired in obese subjects. In order to have a better mechanistic understanding of t-PA release, we will compare t-PA release to Flow Mediated Vasodilation, Radial Artery Tonometry, and other markers of…
- Trial name
- P1A3B (NCT00780481)
- Testing
- Bradykinin
- Where
- United States
- Volunteers
- 13 people, healthy volunteers welcome
- Sponsor
- Vanderbilt University
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
Cardiovascular Diseases, Aging
Cardio-vascular Protective Effects of Wolfberry in Middle-aged and Older Adults
This purpose of this study is to assess the impact of consuming wolfberry on cardiovascular risk in Singapore's middle-aged and older adults.
- Trial name
- NCT03535844
- Testing
- Wolfberry, Healthy diet
- Where
- 2 sites in Singapore
- Volunteers
- 41 people, healthy volunteers welcome
- Sponsor
- National University of Singapore
Metabolic Syndrome, Menopause
Effects of L-citrulline Supplementation on Vascular Function in Metabolic Syndrome
The objective of this project is to provide evidence that L-Citrulline (CIT) supplementation can improve vascular function in the fasted and acute hyperglycemia conditions in middle-aged and older women with metabolic syndrome.
- Trial name
- NCT06025357
- Testing
- L-Citrulline supplementation
- Where
- United States
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- Texas Tech University
Postural Tachycardia Syndrome
Assessment of Vascular Endothelial Function in Postural Tachycardia Syndrome
The purpose of this study is to see if people with Postural Tachycardia Syndrome (POTS) have different levels of certain chemicals in their blood than people who don't have POTS.
- Trial name
- NCT01308099
- Testing
- Blood Pressure and Blood Flow
- Where
- 2 sites in United States
- Volunteers
- 26 people, healthy volunteers welcome
- Sponsor
- Vanderbilt University Medical Center
Cardiovascular Diseases, Hypertension
The Impact of KETO5 XOGenius Beverage on Markers of Physiological and Neurocognitive Health
The primary objectives of this application are to 1) investigate the effect of increased daily consumption of the Keto5 XOGenius beverage on outcomes associated with elevated risk for various neurocognitive and pathophysiological…
- Conditions
- Cardiovascular Diseases, Hypertension, Cognitive Decline, Diet
- Trial name
- NCT06318390
- Testing
- XO Genius
- Where
- United States
- Volunteers
- 6 people, healthy volunteers welcome
- Sponsor
- The University of Texas at Arlington
Healthy
Effects of Cocoa Procyanidins on Vascular Function
There is a question regarding the role of higher flavanol oligomers (procyanidins) and of intestinal flavanol metabolites i.e. valerolactones, in the context of flavanol intake-related vascular effects.
- Trial name
- NCT02728466
- Testing
- Flavanol and procyanidin supplement, Procyanidin-containing supplement, control supplement deprived of flavanols and procyanidins
- Where
- Germany
- Volunteers
- 45 people, healthy volunteers welcome
- Sponsor
- Heinrich-Heine University, Duesseldorf
Diabetes Mellitus, Type 2
Functional Investigation of Endothelial Function and Regenerative Cell Exhaustion
FIERCE is an observational cross-sectional study. Approximately 90 individuals living with type 2 diabetes (T2D) and/or individuals living without diabetes will be randomized (2:1).
- Trial name
- FIERCE (NCT06108388)
- Where
- Canada
- Volunteers
- 90 people, healthy volunteers welcome
- Sponsor
- Canadian Medical and Surgical Knowledge Translation Research Group
COPD Patients, Healthy
Determinants of the Vascular Response to Training in Chronic Obstructive Pulmonary Disease (COPD) Patients
Vascular comorbidities constitute a major burden in COPD patients. The atherosclerosis process is preceded by the onset of an endothelial dysfunction (assessed by the flow-mediated dilatation (FMD)), which is a risk factor for…
- Trial name
- cDysEndoBPCO (NCT03774238)
- Testing
- FMD analysis
- Where
- 2 sites in France
- Volunteers
- 69 people, healthy volunteers welcome
- Sponsor
- University Hospital, Montpellier
Major Depressive Disorder
Linking Affective Dynamics in Response to Daily Stress to Peripheral Vascular Function in Working Age Adults
The objective of this proposal is to determine whether heightened negative affective responsivity (NA-R) to daily stressors is related to blunted nitric oxide (NO)-mediated endothelium-dependent dilation (EDD) in working age…
- Trial name
- NCT06860724
- Testing
- NG-nitro-L-arginine methyl ester (L-NAME)
- Where
- United States
- Volunteers
- 18 people, healthy volunteers welcome
- Sponsor
- University of Delaware
Atherosclerosis
Arterial Function and Atherosclerosis in Essential Thrombocythemia
The aim of the study is to examine (a) whether patients with JAK2 V617F positive ET in comparison to age-and sex-matched, apparently healthy control subjects show more advanced progression of arterial stiffness, pulse-wave…
- Trial name
- NCT03828422
- Testing
- imaging
- Volunteers
- 82 people, healthy volunteers welcome
- Sponsor
- University Medical Centre Ljubljana
Aging
The Effect of NAD Supplementation on Brain Vascular Health in Aging
Daily consumption of one of the forms of Vitamin B3, the Nicotinamide Riboside (NR), energizes the body and combats cellular aging. This study is designed to test whether NR can also improve brain health and memory.
- Trial name
- NCT05483465
- Testing
- Nicotinamide riboside
- Where
- United States
- Volunteers
- 214 people, healthy volunteers welcome
- Sponsor
- University of Oklahoma
Hypertension, Menopause
8 Weeks of L-CIT Supplementation and LIRET on Vascular Function in Hypertensive Postmenopausal Women
The overall objective of this project is to bring forth evidence that L-Citrulline (L-CIT) supplementation and low intensity resistance exercise training (LIRET) alone and combined will improve vascular function and muscle…
- Trial name
- NCT05227781
- Testing
- L-Citrulline
- Where
- United States
- Volunteers
- 29 people, healthy volunteers welcome
- Sponsor
- Texas Tech University
Endothelial Function and Arterial Stiffness
A Pilot Case Control Study of Vascular Function in Cyclists
This is a pilot study with the purpose of measuring vascular function, assessed by evaluating arterial stiffness (pulse wave velocity and augmentation index) and endothelial function (flow mediated dilatation), in elite/amateur…
- Trial name
- NCT02745665
- Testing
- flow mediated dilation (endothelial function), ABPI, Pulse wave velocity and augmentation index
- Where
- United Kingdom
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- St George's, University of London
Autonomic Nervous System Diseases, Baroreflex Failure
Effects of Water and Glucose Drinks on Cardiovascular Function in Subjects With and Without Postprandial Hypotension
To determine whether the changes in blood pressure (BP) which occur following meals in normal people and patients who have substantial falls in BP after a meal postprandial hypotension (PPH)) are associated with changes in…
- Conditions
- Autonomic Nervous System Diseases, Baroreflex Failure, Blood Pressure, Hypotension
- Trial name
- NCT02713412
- Testing
- Glucose, Water
- Volunteers
- 8 people, healthy volunteers welcome
- Sponsor
- Royal Adelaide Hospital
Vascular Aging
Vascular Aging and Lp299v Study in Healthy Adults
Emerging data suggest the gut microbiota regulates multiple mechanisms related to vascular aging, but no intervention targeting the gut microbiota has been tested in older adults without cardiovascular risk factors or…
- Trial name
- NCT05296395
- Testing
- Lactobacillus Plantarum 299v in fermented oat drink
- Where
- United States
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Medical College of Wisconsin
Transgender, Gender Identity
Effects of Aging and Gender-Affirming Hormone Therapy on Vascular Endothelial Function and Metabolic Profiles in Transgender Men
This study will examine markers of vascular endothelial function (vascular health) and metabolic profiles in older versus younger transgender men (people who were assigned female at birth but whose gender identity is male).
- Conditions
- Transgender, Gender Identity, Vascular Stiffness, Vascular Inflammation
- Trial name
- NCT04237467
- Testing
- No intervention
- Where
- United States
- Volunteers
- 16 people, healthy volunteers welcome
- Sponsor
- University of Colorado, Denver
Nicotine Dependence
E-cigarettes and Blood Vessel Function
Randomized controlled trial of electronic cigarettes with nicotine, without nicotine, and sham control, on endothelial function and markers of oxidative stress.
- Trial name
- NCT02740595
- Testing
- one time exposure to e-cig with nicotine, one time exposure to e-cig without nicotine, one time exposure to empty e-cig
- Where
- United States
- Volunteers
- 148 people, healthy volunteers welcome
- Sponsor
- University of California, Los Angeles