Clinical trials: Microvascular Disease
Aging, Fragility
Ischemic Conditioning to Promote Microvascular Resiliency in Frail Individuals
The goal of this clinical trial is to see how small blood vessels respond to the stress of high intensity exercise, and if a safe and simple intervention called ischemic conditioning can protect blood vessels from the stress of…
- Conditions
- Aging, Fragility, Endothelial Dysfunction
- Trial name
- NCT05808686
- Testing
- Ischemic Conditioning
- Where
- United States
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Medical College of Wisconsin
Diabetes Mellitus
Microvascular Response in Diabetes Mellitus
Vascular and neurological mechanisms are both likely to be involved in foot ulcer. We recently reported on the hand an original transient pressure-induced vasodilation (PIV) during a 5 mmHg/min increase of pressure strain using…
- Trial name
- NCT00160927
- Testing
- local heating, iontophoresis, actylcholine
- Where
- France
- Volunteers
- 90 people, healthy volunteers welcome
- Sponsor
- University Hospital, Angers
Cardiovascular Disease
Dose-dependent Effects of Second-hand Smoke on Vascular Function
The purpose of this study is to determine the vascular effects of brief second-hand smoke exposure on normal healthy individuals.
- Trial name
- NCT01007760
- Testing
- Respirable suspended particles (RSP) PM 2.5 dose of second-hand smoke
- Where
- United States
- Volunteers
- 33 people, healthy volunteers welcome
- Sponsor
- University of California, San Francisco
Eye Manifestations, Lupus Erythematosus, Systemic
Microvascular Ocular Changes of Systemic Lupus Erythematous
The goal of this observational study is to to assess the ocular microvascular status of SLE patients with inactive disease and without ocular involvement.
- Trial name
- VascLup (NCT05863689)
- Testing
- Spectralis SD-OCT
- Where
- Portugal
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- Universidade do Porto
Obesity, Overweight
Microvascular and Metabolic Effects of High-intensity Interval Exercise Training
The study investigates the effects of high intensity interval training (HIIT) versus continuous training (CT), combined or not with fasting, on capillary density, microvascular function, cardiometabolic risk markers, functional…
- Conditions
- Obesity, Overweight, Physical Activity
- Trial name
- HIIT-FAST (NCT03236285)
- Testing
- High-intensity interval exercise training in the fed state, Continous exercise training in the fed state, High-intensity interval exercise training in the fasting state
- Where
- Brazil
- Volunteers
- healthy volunteers welcome
- Sponsor
- National Institute of Cardiology, Laranjeiras, Brazil
Endometriosis
Endometriosis and Microvascular Dysfunction: Role of Inflammation
The purpose of this study is to better understand the underlying mechanisms associated with elevated cardiovascular disease risk in women with endometriosis, and to measure the effectiveness of emerging endometriosis treatments…
- Trial name
- Endo3/SA2 (NCT05069740)
- Testing
- Salsalate Pill
- Where
- United States
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- Penn State University
Obesity, Vascular Dysfunction
DNA Methylation and Vascular Function
The main objective is to examine DNA hypomethylation as an underlying mechanism for the increased production of inflammatory cytokines and the impaired vascular function in obese individuals and as a potential target for…
- Trial name
- NCT03527420
- Testing
- Exercise training
- Where
- United States
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- University of Illinois Chicago
Microvascular Disease, Microvascular Complications
Comparison of Differencens in VO2-max, Perfusion of the Heart and Brain and Cognitive Performance Between Patients with Type 2 Diabetes and Healthy Age Matched Controls.
In the aging population, ischemic heart disease, stroke and dementia are increasingly prevalent. Diagnosis and treatment of the former two i.e., large-vessel coronary heart disease and endovascular thrombectomy of the brain in…
- Conditions
- Microvascular Disease, Microvascular Complications, Dementia, Diabetes Mellitus Type 2
- Trial name
- SVAT (NCT06628297)
- Testing
- PET
- Where
- Denmark
- Volunteers
- 72 people, healthy volunteers welcome
- Sponsor
- University Hospital Bispebjerg and Frederiksberg
Hypertension,Essential
Peripheral Vascular Effects of Sulfhydryl-containing Antihypertensive Pharmacotherapy on Microvessels in Humans
High blood pressure can cause physical changes to the blood vessels of the body (remodeling). If a person who has high blood pressure also has a lot of blood vessel remodeling with their condition, they are more likely to have…
- Trial name
- H2SPharm (NCT03179163)
- Testing
- Captopril Pill, Enalapril Pill, Hydrochlorothiazide
- Where
- United States
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- Penn State University
Diabetes, Retinopathy
Microvascular Reactivity.
This study attempts to test capillary responses to various challenges without the need for iontophoresis (electrical current).
- Conditions
- Diabetes, Retinopathy, Vascular Pathology
- Trial name
- NCT00259701
- Testing
- Laser Doppler Flowmetry with topical acetylcholine and nitroglycerin
- Where
- United States
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Yale University
Child, Only, Obesity
Microvascular Reactivity in Prepubertal Children
This is a cross-sectional study aimed to investigate microvascular reactivity in prepubertal children according to adiposity status.
- Conditions
- Child, Only, Obesity, Endothelial Dysfunction
- Trial name
- MicroChild (NCT03171441)
- Testing
- nailfold videocapillaroscopy, inflammatory biomarkers
- Volunteers
- 98 people, healthy volunteers welcome
- Sponsor
- Rio de Janeiro State University
Coronary Microvascular Dysfunction, Ischemic Non-Obstructive Coronary Artery Disease
MCG as a Noninvasive Diagnostic Strategy for Suspected Coronary Microvascular Dysfunction
According to the Women's Ischemic Syndrome Evaluation database, there are approximately 3 to 4 million women and men who present with signs and symptoms that are suggestive of myocardial ischemia, however they have no obstructive…
- Trial name
- MICRO (NCT05150054)
- Testing
- CardioFlux
- Where
- 4 sites in United States
- Volunteers
- 93 people, healthy volunteers welcome
- Sponsor
- Genetesis Inc.
Preeclampsia
Angiotensin II and Chronic Inflammation in Persistent Microvascular Dysfunction Following Preeclampsia
Women who develop preeclampsia during pregnancy are more likely to develop cardiovascular disease later in life, even if they are otherwise healthy.
- Trial name
- NCT03482440
- Testing
- Salsalate Oral Tablet
- Where
- 2 sites in United States
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- University of Iowa
Free Tissue Flaps
Detection of Flap Ischemia Using Interstitial Glucose Monitor
A simple device that objectively assesses flap perfusion - either as a stand-alone tool or an adjunct to the current monitoring method - would be a tremendous improvement in detection of early postoperative flap ischemia and, in…
- Trial name
- NCT02604069
- Testing
- Continuous Glucose Monitor
- Where
- Canada
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Hamilton Health Sciences Corporation
COVID-19, Endothelial Function
Non-invasive Characterization of Systemic Microvascular Reactivity by Near-infrared Diffuse Optical Spectroscopy in COVID-19 Patients
The purpose of this study is to characterize microvascular reactivity on the forearm muscle using non-invasive near-infrared spectroscopy in critically ill COVID-19 patients, and to correlate its alterations with 28-day mortality…
- Trial name
- HEMOCOVID19 (NCT04689477)
- Testing
- Vascular occlusion test
- Where
- 8 sites in United States, Brazil and 2 more
- Volunteers
- 612 people, healthy volunteers welcome
- Sponsor
- Corporacion Parc Tauli
Microvascular Disease, Retinal Disease
Collecting Data on Retinal Blood Blood Flow and Blood Vessel Shape/Appearance Using an Investigational Device, XyCAM CRE, and to Then Compare Those Images With Images Collected From a Patient's Routine Clinical Examination.
The primary objective of the XyCAM CRE Camera Study is to evaluate retinal blood flow, choroidal blood flow, and retinal structural features and their association with the progression and characterization of retinal diseases…
- Trial name
- NCT07641738
- Testing
- XyCAM CRE Imaging
- Where
- United States
- Volunteers
- 350 people, healthy volunteers welcome
- Sponsor
- Stuart Terry Eye Associates
Type 1 Diabetes, Insulin Sensitivity/Resistance
Effect of GLP-1 on Microvascular Insulin Responses in Type 1 Diabetes
GLP-1 increases skeletal and cardiac microvascular perfusion and improves insulin's microvascular responses in human subjects with T1DM, leading to improved metabolic insulin responses, endothelial function, and increased muscle…
- Trial name
- KML001 (NCT04133922)
- Testing
- GLP-1, Insulin, Dextrose 20 % in Water
- Where
- United States
- Volunteers
- healthy volunteers welcome
- Sponsor
- University of Virginia
Abdominal Obesity, Metabolic Syndrome
Aldosterone, Microvascular Function and Salt-sensitivity
Currently, the incidence of obesity and obesity-related disorders is reaching epidemic proportions, which entails an increasing burden for health care systems.
- Conditions
- Abdominal Obesity, Metabolic Syndrome, Sodium-sensitivity, Insulin Resistance
- Trial name
- NCT02068781
- Testing
- Low-sodium diet, High-sodium diet
- Where
- Netherlands
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Maastricht University Medical Center
Chest Pain, Sickle Cell Anemia
Effects of Nitric Oxide and Nitroglycerin in Patients With Sickle Cell Anemia
Sickle cell anemia is the most common genetic disease affecting African-Americans. About 1 in every 1000 African-Americans has the disease and 1 in every 12 carry the genes that could be passed on to their children.
- Trial name
- NCT00001716
- Testing
- Nitric Oxide, Nitroglycerin
- Where
- United States
- Volunteers
- 58 people, healthy volunteers welcome
- Sponsor
- National Institutes of Health Clinical Center (CC)
Heart Failure With Preserved Ejection Fraction, Microvascular Angina
Neuregulin-1 in Patient With Different Forms of Cardiovascular Diseases: a Pilot Study
This is an observational study of Neuregulin-1 (NRG-1) plasma levels in patients with different forms of cardiovascular disease including microvascular angina (MVA), heart failure with preserved ejection fraction (HFpEF), as well…
- Conditions
- Heart Failure With Preserved Ejection Fraction, Microvascular Angina, Pulmonary Hypertension, Heart Failure With Reduced Ejection Fraction
- Trial name
- NRG-1-CVDs (NCT04391491)
- Testing
- Neuregulin-1β level in plasma
- Where
- Russia
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- I.M. Sechenov First Moscow State Medical University