Clinical trials: Blood Vessel (Vascular) Dysfunction
Healthy, Brain Insulin Sensitivity
Long-Term Effects of Walnut Consumption on Brain Function
Rationale: Healthy foods, including mixed nuts, may improve brain function, which is essential for cognitive and metabolic health, and may contribute to improved food intake regulation.
- Conditions
- Healthy, Brain Insulin Sensitivity, Cerebral Blood Flow, Brain Vascular Function
- Trial name
- WalBrain (NCT07422220)
- Testing
- Walnuts
- Where
- Netherlands
- Volunteers
- 55 people, healthy volunteers welcome
- Sponsor
- Maastricht University Medical Center
Hypertension, Elderly
Predictive Values of Blood Pressure and Arterial Stiffness in Institutionalized Very Aged Population
Introduction: High blood pressure especially systolic hypertension is a common condition in the elderly and is considered as a major determinant not only of cardiovascular (CV) morbidity and mortality, but also of several other…
- Conditions
- Hypertension, Elderly, Cardiovascular Mortality, Cognitive Impairment
- Trial name
- PARTAGE (NCT00901355)
- Where
- 6 sites in France, Italy
- Volunteers
- 1,130 people, healthy volunteers welcome
- Sponsor
- Central Hospital, Nancy, France
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
Hypertension, Autonomic Dysfunction
Autonomic Regulation of Blood Pressure and Heart Rate During Orthostasis and Exercise in Healthy and Hypertensive Individuals
The goal of this observational study is to assess arterial stiffness and autonomic regulation of blood pressure and heart rate in healthy adults and people with arterial hypertension during orthostatic stress and graded physical…
- Conditions
- Hypertension, Autonomic Dysfunction, Orthostatic Hypotension
- Trial name
- NCT07482462
- Where
- Slovenia
- Volunteers
- 120 people, healthy volunteers welcome
- Sponsor
- University Medical Centre Ljubljana
Diabetes Mellitus, Type 1, Hypertension
Correlation of Flicker Induced and Flow Mediated Vasodilatation in Patients With Endothelial Dysfunction and Healthy Volunteers.
A couple of studies have shown that illuminating the eye with diffuse flickering light is accompanied by an increase of retinal vessel diameters, optic nerve head blood flow and retinal blood flow.
- Conditions
- Diabetes Mellitus, Type 1, Hypertension, Hypercholesterolemia, Regional Blood Flow
- Trial name
- NCT00432029
- Testing
- Forearm blood flow measurement, Flow mediated dilation (FMD), Zeiss Retinal Vessel Analyzer (RVA), Stimulation with Flicker-light
- Where
- Austria
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- Medical University of Vienna
Spinal Cord Injuries (SCI), Orthostatic Hypotension, Dysautonomic
Cardiovascular Function and Response to Stimulation Within the First Year After Spinal Cord Injury
The study aims to explore how cardiovascular function changes in the first year after a spinal cord injury, and to see how different treatments, like spinal stimulation through the skin (transcutaneous spinal stimulation), affect…
- Conditions
- Spinal Cord Injuries (SCI), Orthostatic Hypotension, Dysautonomic, Cardiovascular, Transcutaneous Spinal Stimulation
- Trial name
- NCT06841198
- Testing
- spinal cord transcutaneous stimulation, Ice testing
- Where
- United States
- Volunteers
- 15 people, healthy volunteers welcome
- Sponsor
- Kessler Foundation
Type 1 Diabetes
Effects of Acipimox on Insulin Action, Vascular Function, and Muscle Function in Type 1 Diabetes
Insulin resistance (IR) is an important contributor to increased cardiovascular disease risk in type 1 diabetes (T1D). Non-esterified fatty acid elevation is a significant contributor to IR in T1D and may be a target of…
- Trial name
- AcT1 (NCT01816165)
- Testing
- Acipimox
- Where
- United States
- Volunteers
- 28 people, healthy volunteers welcome
- Sponsor
- University of Colorado, Denver
Alzheimer's Disease, Mild Cognitive Impairment
Retinal Imaging in Neurodegenerative Disease
This study aims to develop and evaluate biomarkers using non-invasive optical coherence tomography (OCT) and OCT angiography (OCTA) as well as ultra-widefield (UWF) fundus photography to assess the structure and function of the…
- Conditions
- Alzheimer's Disease, Mild Cognitive Impairment, Parkinson's Disease, Multiple Sclerosis
- Trial name
- NCT03233646
- Testing
- Retinal and Choroidal Imaging
- Where
- United States
- Volunteers
- 2,000 people, healthy volunteers welcome
- Sponsor
- Duke University
Cardiovascular Diseases, Hypertension
Vascular Dysfunction in Hypertensive Postmenopausal Women
The purpose of this study is to investigate the role of ET-1 in mediating vasoconstrictor tone in hypertensive postmenopausal women (PMW) alone and in combination with a commonly prescribed Angiotensin II (ANG II) antagonist.
- Trial name
- NCT03371823
- Testing
- Normotensive, Hypertensives
- Where
- United States
- Volunteers
- 8 people, healthy volunteers welcome
- Sponsor
- University of Delaware
Cognitive Dysfunction, Alzheimer Disease
ALA-enriched Nutrition for Prevention of Cognitive Decline in APOE4 Older Adults
This randomized, double-blind, placebo-controlled pilot trial will evaluate the effects of alpha-linolenic acid (ALA) supplementation on cognitive function, blood-brain barrier integrity, and brain vascular health in older adults…
- Conditions
- Cognitive Dysfunction, Alzheimer Disease, Blood-Brain Barrier, Apolipoprotein E, Deficiency or Defect of
- Trial name
- NCT07392723
- Testing
- Alpha-Linolenic Acid (2.6 g/day)
- Where
- United States
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Michal Schnaider Beeri, Ph.D.
Right Ventricular Dysfunction, Cardiopulmonary Diseases
Right Heart and Lung Blood Flow During Exercise (RIGHT-NET 2.0)
RIGHT-NET 2.0 is a multicenter observational study with a retrospective-prospective design that builds on the original RIGHT-NET study.
- Conditions
- Right Ventricular Dysfunction, Cardiopulmonary Diseases, Pulmonary Hypertension
- Trial name
- RIGHT-NET 2 (NCT07851610)
- Volunteers
- 2,000 people, healthy volunteers welcome
- Sponsor
- IRCCS SYNLAB SDN
Endothelial Dysfunction, Oxidative Stress
Creatine Monohydrate Supplementation and Vascular Endothelial Health
To determine the effects of 4 weeks of creatine monohydrate supplementation on markers of macrovascular and microvascular function, cognitive performance, and physical performance.
- Trial name
- NCT05014659
- Testing
- Creatine monohydrate
- Where
- United States
- Volunteers
- 12 people, healthy volunteers welcome
- Sponsor
- Florida State University
Dementia, Alzheimer Disease
Effects of Remote-based Resistance Training on Cardiometabolic Risk Factors, Cognitive Function, and Quality of Life in Adults Living With Alzheimer's Disease and/or Related Dementias
The investigators aim to study the effects of a 24-week remote-based resistance exercise training program on cardiovascular disease risk factors, cognitive function, and quality of life in older adults living with mild cognitive…
- Conditions
- Dementia, Alzheimer Disease, Dementia, Vascular, Lewy Body Disease
- Trial name
- NCT05004558
- Testing
- Remote-based Resistance Exercise Training
- Volunteers
- 36 people, healthy volunteers welcome
- Sponsor
- Drexel University
Vascular Ehlers-Danlos Syndrome
Biomarkers in Vascular Ehlers-Danlos Syndrome
The purpose of this study is to determine whether patients with vascular Ehlers-Danlos syndrome present significant and specific changes of arterial endothelial and smooth muscular cell signalling/secretion, in comparison to…
- Trial name
- MEDIC (NCT02165085)
- Where
- France
- Volunteers
- 211 people, healthy volunteers welcome
- Sponsor
- Assistance Publique - Hôpitaux de Paris
Microvascular Dysfunction
Cheese Consumption and Human Microvascular Function
Increased dairy intake is associated with improved measures of blood vessel health. Dairy cheese, however, is often high in sodium. Dietary sodium can impair blood vessel function.
- Trial name
- NCT03376555
- Testing
- Low sodium no cheese, Low sodium cheese, High sodium no cheese
- Where
- United States
- Volunteers
- 13 people, healthy volunteers welcome
- Sponsor
- Lacy Alexander
Blood Pressure, Hypertension
Reversing Glucose and Lipid-mediated Vascular Dysfunction
The purpose of our study is to understand the extent to which the blood vessels are affected by glucose and fat (lipids) in lean healthy adults and if these changes in the blood vessels contribute to the development of high blood…
- Trial name
- REGAL (NCT04832009)
- Testing
- Dextrose 20 % in 500 ML Injection, Intralipid, Saline
- Where
- United States
- Volunteers
- 46 people, healthy volunteers welcome
- Sponsor
- University of Kansas Medical Center
Coronary Artery Disease, Arterial Stiffness, Blood Pressure
Expanded Studies on the SCAPIS Stockholm Reexamination Cohort
The Swedish CArdioPulmonary bioImage Study (SCAPIS) is a unique, large-scale national research initiative involving 30,000 randomly selected individuals aged 50-64, recruited between 2014 and 2018.
- Conditions
- Coronary Artery Disease, Arterial Stiffness, Blood Pressure, AORTIC VALVE DISEASES, Mitral Valve Stenosis and/or Insufficiency
- Trial name
- SCAPIS-ReEx (NCT07476703)
- Testing
- Coronary computer tomography (CCTA), Echocardiograhy and aortic ultrasound, Liver elastography
- Where
- Sweden
- Volunteers
- 1,400 people, healthy volunteers welcome
- Sponsor
- Danderyd Hospital
Vascular Cognitive Impairment, White Matter Lesions
Mechanism of Gamma Oscillation Synchronization in the Prefrontal-hippocampal Circuit for Memory Dysfunction in Patients With White Matter Lesions of Cerebral Small Vessel Disease
The mechanism underlying memory impairment caused by white matter lesions of cerebral small vessel disease is still unclear. The disrupted synchronization of gamma oscillations in the prefrontal-hippocampal circuit is a potential…
- Conditions
- Vascular Cognitive Impairment, White Matter Lesions, Gamma Oscillation
- Trial name
- NCT07042633
- Where
- China
- Volunteers
- 150 people, healthy volunteers welcome
- Sponsor
- Xuanwu Hospital, Beijing
Thrombosis, Blood Coagulation Disorder
Dynamics of Platelet Activation in Patients With Ventricular Assist Device (VAD)
Consenting patients with end-stage heart failure that are implanted with/candidates for implant of a short-term/durable mechanical circulatory support device (e.g.: percutaneous microaxial pumps (Impella), extracorporeal membrane…
- Conditions
- Thrombosis, Blood Coagulation Disorder, Platelet Thrombus, Platelet Dysfunction Due to Aspirin
- Trial name
- PASVAD (NCT03255928)
- Testing
- PAS assay, TGT
- Where
- Italy
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Scientific Institute San Raffaele
Blood Sugar (Glucose) Control, Blood Vessel (Vascular) Dysfunction
Whey Protein Effects on Gycemic Control and Vascular Function
Risk for heart and blood vessel diseases is increased when blood sugar rises. Blood vessel dysfunction is common to such diseases. Elevated blood sugar after eating promotes blood vessel dysfunction.
- Trial name
- NCT01814358
- Testing
- Whey protein powder, Control protein
- Where
- United States
- Volunteers
- healthy volunteers welcome
- Sponsor
- University of California, Los Angeles