Clinical trials: Microvascular Function
Ageing, Blood Flow Restriction (BFR) Training Effects
Comparing Vascular Responses to Aerobic Exercise With and Without Blood Flow Restriction in Young and Older Adults
Aging is a major risk factor for cardiovascular disease (CVD), contributing to progressive macrovascular and microvascular dysfunction.
- Trial name
- UNDER PRESSURE (NCT07079280)
- Testing
- Low Intensity Aerobic Exercise with Blood Flow Restriction (LIAE+BFR), High Intensity Interval Exercise (HIIE)
- Where
- Portugal
- Volunteers
- 52 people, healthy volunteers welcome
- Sponsor
- Egas Moniz - Cooperativa de Ensino Superior, CRL
Sexual Desire
Effects of Glucagon-like-Peptide-1 Analogues on Sexuality
This study is to investigate the effects of GLP-1 analogues (combined with lifestyle interventions in comparison to lifestyle interventions only) on sexual desire, mood, quality of life, the reproductive axis, retinal vessel…
- Trial name
- Desire PLUS (NCT05598008)
- Where
- Switzerland
- Volunteers
- 85 people, healthy volunteers welcome
- Sponsor
- University Hospital, Basel, Switzerland
Severe Malaria
Severe and Cerebral Malaria Investigated Through Host Metabolomics
The aim is to describe disease mechanisms of severe and cerebral malaria and identify new targets for adjunctive therapies. Despite treatment between 10-30% of patients with severe malaria die.
- Trial name
- NCT02451904
- Testing
- Observation
- Where
- Bangladesh
- Volunteers
- 840 people, healthy volunteers welcome
- Sponsor
- University of Oxford
Endothelial Function
Study of Vascular Function Before vs After Smoking an E-cigarette as Compared to a Normal Cigarette
Investigation of the effect of one-time use of an electronic e-cigarette in comparison to smoking a conventional cigarette on in vivo conduit endothelial function in healthy long-term smokers
- Trial name
- ECIG-8 (NCT05598125)
- Testing
- electronic cigarette (e-cigarette), conventional tobacco cigarette
- Volunteers
- 64 people, healthy volunteers welcome
- Sponsor
- GWT-TUD GmbH
Healthy
Impact of Dietary Flavanols on Microvascular Function in Young Females During Mental Stress
The aim of this project is to examine whether flavonoids, which are small molecules naturally present in cocoa, as well as fruits and vegetables such as berries, tea, citrus fruits, apple (typically responsible for giving these…
- Trial name
- NCT07864545
- Testing
- High-flavanol cocoa powder, Low-flavanol cocoa powder
- Where
- United Kingdom
- Volunteers
- 23 people, healthy volunteers welcome
- Sponsor
- University of Birmingham
Dyslipidemia, Oxidative Stress
Brazil Nut Consumption in Microvascular Endothelial Function, Oxidative Stress and Metabolic Abnormalities
The purpose this research is to check the effect of Brazil Nuts consumption in oxidative stress, metabolic abnormalities and microvascular endothelial function dyslipidemic and hypertensive patients.
- Trial name
- NCT01990391
- Testing
- Brazil nut flour
- Volunteers
- 125 people, healthy volunteers welcome
- Sponsor
- Universidade Federal do Rio de Janeiro
Preeclampsia, Microvascular Function
Prenatal Aspirin and Postpartum Vascular Function
Preeclampsia is a pregnancy disorder affecting ~5-10% of pregnancies in the United States. Women who develop preeclampsia during pregnancy are more likely to develop and die of cardiovascular disease later in life, even if they…
- Trial name
- NCT05653973
- Testing
- Acetylcholine, Endothelin-1
- Where
- United States
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Anna Stanhewicz, PhD
Peripheral Artery Disease, Peripheral Vascular Diseases
Impact of Nrf2 Activation on Macrovascular, Microvascular & Leg Function & Walking Capacity in Peripheral Artery Disease
Peripheral artery disease (PAD) is associated with elevated oxidative stress, and oxidative stress has been implicated as the cause of reduced endothelial reactivity in individuals with PAD.
- Conditions
- Peripheral Artery Disease, Peripheral Vascular Diseases, Peripheral Arterial Disease, Peripheral Arterial Occlusive Disease
- Trial name
- NCT06319339
- Testing
- Vumerity
- Where
- United States
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- University of Nebraska
Atherosclerosis, Diabetes
Quantitative Assessment and Characterization of Microvascular Function Using Diffuse Optical Tomography
Atherosclerosis is accompanied by microvascular dysfunction (an impairment of blood vessels to dilate or constrict in response to demand).
- Conditions
- Atherosclerosis, Diabetes, Coronary Artery Disease
- Trial name
- DOT (NCT03411213)
- Testing
- diffuse optical tomography
- Where
- United Kingdom
- Volunteers
- 19 people, healthy volunteers welcome
- Sponsor
- Sheffield Teaching Hospitals NHS Foundation Trust
Obesity, NAFLD
Low-Calorie Diet in People With Prediabetes/Metabolic Syndrome
Significant weight reduction, achieved by low-calorie diet (LCD), will mobilise ectopic fat (visceral and particularly liver fat), improving insulin sensitivity and other metabolic syndrome components, with secondary beneficial…
- Conditions
- Obesity, NAFLD, Fatty Liver, Pre Diabetes
- Trial name
- CALIBRATE (NCT04786418)
- Testing
- Standard of care, Low-calorie diet
- Where
- United Kingdom
- Volunteers
- 44 people, healthy volunteers welcome
- Sponsor
- University of Liverpool
Vascular Endothelium, Microvascular Circulation
Healthy Age-dependent Reference Values for Microvascular Structure and Function
The greatest challenge in our ageing society are cardiovascular diseases such as stroke, heart attack, peripheral artery disease of the legs with non-healing wounds (ulcers), or diabetes.
- Conditions
- Vascular Endothelium, Microvascular Circulation, Arterial Stiffness, Healthy Ageing
- Trial name
- NCT04897191
- Testing
- Age
- Where
- United Kingdom
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- University of Surrey
Microvascular Function
Methodological Issues and Laser Speckle Contrast Imaging
Microcirculation, especially skin microcirculation, is a window towards systemic vascular function in magnitude and underlying mechanisms. Different techniques have been developed to assess the microcirculation.
- Trial name
- METHODO-LSCI (NCT01664572)
- Where
- France
- Volunteers
- 75 people, healthy volunteers welcome
- Sponsor
- University Hospital, Angers
Healthy
Effects of an Antioxidant Supplement on Blood Vessel Health
Cardiovascular disease (CVD) is a leading cause of morbidity and mortality worldwide, and the non-Hispanic Black (NHB) population is disproportionately affected.
- Trial name
- NCT06424756
- Testing
- MitoQ, MitoTempo, Tempol
- Where
- United States
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- University of Georgia
Aging
Exploring the Effect of Inorganic Nitrates on the Human Microvascular Physiology - a Pilot Study.
We conducted a randomised, placebo-controlled, double blind, cross-over, trial to examine the short-term effect of concentrated beetroot juice on vascular outcomes in a young (18-35 years) and older group (55-75 years).
- Trial name
- ENIH-MPS (NCT04276766)
- Testing
- Crossover intervention
- Volunteers
- 25 people, healthy volunteers welcome
- Sponsor
- Sheffield Hallam University
Type 2 Diabetes
The Effect of 4 Weeks of L-Citrulline Supplementation on Macro- and Microvascular Function in Type 2 Diabetes
The purpose of this study is to examine the effect of 4 weeks of Citrulline supplementation on macro- and microvascular function during acute hyperglycemia in middle-aged and older adults with type 2 diabetes.
- Trial name
- NCT06016478
- Testing
- L-citrulline
- Where
- United States
- Volunteers
- 36 people, healthy volunteers welcome
- Sponsor
- Texas Tech University
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
Menopause Related Conditions, Vitamin D Deficiency
Vitamin D and Microvascular Function in Postmenopausal Women
Many observational studies have demonstrated links between serum levels of 25-hydroxyvitamin D [25(OH)D] and cardiovascular risk (CVR) factors. Microvascular dysfunction relates not only to CVR but also to metabolic disease.
- Conditions
- Menopause Related Conditions, Vitamin D Deficiency, Cardiovascular Diseases
- Trial name
- NCT05408273
- Testing
- Blood samples and Microvascular function assessment evaluated through laser-Doppler flowmetry by the LASER speckle contrast analysis (LASCA) device
- Where
- Brazil
- Volunteers
- 88 people, healthy volunteers welcome
- Sponsor
- Rio de Janeiro State University
Physiology of Microvascular Skin
Microvascular Function Assessment in Healthy Subjects
Current stimulation induces microvascular dilation in human skin. The investigators aimed to study (1) whether the current vasodilation is amplified after two segmental current stimulation as compared to one stimulation; (2)…
- Trial name
- MICROTEC (NCT01572961)
- Testing
- acetylsalicilic acids (Aspirin)
- Where
- France
- Volunteers
- 16 people, healthy volunteers welcome
- Sponsor
- University Hospital, Angers
Healthy
Cardiac Magnetic Resonance Imaging (MRI) Normal Reference Control Group Testing
The purpose of this research is to understand how to apply cardiac magnetic resonance imaging (CMR) to women with small artery heart disease by looking at the CMRs of women without heart disease.
- Trial name
- NCT00573339
- Testing
- Cardiac MRI
- Where
- United States
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Cedars-Sinai Medical Center
Syndrome X
APEX Study: Effects of Allopurinol on Coronary and Peripheral Endothelial Function in Patients With Cardiac Syndrome X
Morbidity of patients with cardiac syndrome X (typical anginal-like chest pain and normal coronary arteriograms) is high with continuing episodes of chest pain and frequent hospital readmissions.
- Trial name
- APEX (NCT00512057)
- Testing
- allopurinol
- Where
- United Kingdom
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- University of Dundee