Clinical trials: Vascular Endothelial Function
Hookah Smoking
Effects of Hookah (Waterpipe) Smoking on Blood Vessel Function
The purpose of this study is to assess the acute effects of Hookah (waterpipe) smoking on blood vessel function. Hookah smoking has been shown to immediately increase blood pressure and heart rate which could result in damage in…
- Trial name
- NCT03616002
- Testing
- Hookah smoking
- Where
- United States
- Volunteers
- 58 people, healthy volunteers welcome
- Sponsor
- Cedars-Sinai Medical Center
Endothelial Dysfunction, Aging
Effects of Aronia Berries on Vascular Endothelial Function and the Gut Microbiota in Middle-Aged/Older Adults
Aging is the primary risk factor for cardiovascular disease (CVD) largely due to vascular endothelial dysfunction, a major initial step in the development of atherosclerosis.
- Trial name
- NCT03824041
- Testing
- Aronia full spectrum - half dose, Aronia full spectrum - full dose
- Where
- United States
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- Colorado State University
HIV
Effects of Switching Efavirenz to Raltegravir on Vascular Function and Bone Markers in HIV-infected Patients
Efavirenz, a commonly used HIV medication, may cause worsening vascular function and bone problems. The purpose of this study is to determine if switching efavirenz to raltegravir, a newer HIV medication, will improve vascular…
- Trial name
- NCT01270802
- Testing
- Tenofovir/emtricitabine, Tenofovir/emtricitabine/efavirenz, Raltegravir
- Where
- United States
- Volunteers
- 30 people
- Sponsor
- Indiana University
Cardiovascular Diseases, Hypertension
Impact of a Plant-Based Diet on Indices of Cardiovascular Health in African Americans
The role of diet in preventing hypertension and cardiovascular diseases in African Americans, who have a much higher risk of developing these diseases, is not well understood.
- Conditions
- Cardiovascular Diseases, Hypertension, Diet, Healthy
- Trial name
- NCT05344287
- Testing
- Typical American Diet, Plant-Based Diet
- Where
- United States
- Volunteers
- 19 people, healthy volunteers welcome
- Sponsor
- The University of Texas at Arlington
COVID, Vascular; Damage
Influence of COVID-19 on Vascular Endothelial Function
Rationale: Infection with severe acute respiratory syndrome coronavirus (SARS-CoV) 2 could result in endothelial dysfunction with increased risk of arterial thrombotic events by downregulating the expression of angiotensin…
- Trial name
- COVAS (NCT04468412)
- Testing
- Carotid Artery Reactivity Testing
- Where
- Netherlands
- Volunteers
- 203 people
- Sponsor
- Radboud University Medical Center
Coronary Artery Disease, Atherosclerosis
Assessment of Stent Strut Coverage and Endothelial Function After Drug-Eluting Stents
The purpose of this study is to compare coronary endothelium function in patients with a zotarolimus-eluting versus a sirolimus-eluting or a everolimus-eluting stents with optical coherence tomography, vasoconstriction in…
- Trial name
- ASSESS (NCT01073111)
- Testing
- zotarolimus-eluting stent (ENDEAVOR®), sirolimus-eluting stents (CYPHER SELECT® PLUS), everolimus-eluting stents (PROMUS®)
- Where
- Japan
- Sponsor
- Hyogo Medical University
Intermittent Claudication, Peripheral Arterial Disease
Effect of Exercise on Patients With Claudication Undergoing Surgery
Title: How does exercise improve the calf muscle in patients with poor blood supply to their leg? Purpose of the project: Patients with peripheral arterial disease have a poor blood supply to their lower leg.
- Trial name
- NCT01980602
- Testing
- Supervised Exercise program
- Where
- United Kingdom
- Volunteers
- 70 people, healthy volunteers welcome
- Sponsor
- University of Hull
Cardiovascular Diseases, Endothelial Dysfunction
Anti-Inflammatory Drug and Endothelial Function
In this randomized double-blinded clinical trial, 400mg of hydroxychloroquine will be given daily to people over the age of 65 years with moderate-severe obstructive sleep apnea for 8 weeks.
- Conditions
- Cardiovascular Diseases, Endothelial Dysfunction, Sleep Apnea, Atherosclerosis
- Trial name
- HOLD (NCT04161339)
- Testing
- Hydroxychloroquine
- Where
- Brazil
- Volunteers
- 50 people
- Sponsor
- Instituto de Cardiologia do Rio Grande do Sul
Covid19, Hiv
Effects of COVID-19 on Endothelium in HIV-Positive Patients in Sub-Saharan Africa
Background: Coronavirus disease 2019 (COVID-19) has affected almost every country in the world, especially in terms of health system capacity and economic burden.
- Conditions
- Covid19, Hiv, ART
- Trial name
- ENDOCOVID (NCT04709302)
- Testing
- COVID-19, HIV, ART
- Where
- 3 sites in Nigeria, South Africa
- Volunteers
- 342 people
- Sponsor
- Medical University of Graz
Myocardial Infarction
Additive Effect of Ezetimibe Upon Simvastatin During Myocardial Infarction
During acute coronary syndromes (ACS), the generation of inflammatory mediators negatively influences arterial wall remodeling and the endothelium-dependent vasomotor function in the coronary and systemic arterial systems.
- Trial name
- NCT00905905
- Testing
- Simvastatin, Ezetimibe-Simvastatin
- Where
- Brazil
- Volunteers
- 40 people
- Sponsor
- Brasilia Heart Study Group
Smoking Cessation
Effect of Smoking Reduction on Endothelial Glucocalyx and Vascular Function
The integrity of endothelial glucocalyx plays a vital role in vascular permeability and inflammation. Smoking cessation is related with improved vascular function and is a key component of secondary cardiovascular prevention.
- Trial name
- NCT02307045
- Testing
- Varenicline, nicotine
- Where
- Greece
- Volunteers
- 600 people, healthy volunteers welcome
- Sponsor
- University of Athens
HIV Infections, Dyslipidemia
Effect of Atazanavir on Endothelial Function in HIV-Infected Patients
It is known that certain antiviral therapies, the socalled protease inhibitors, used in the treatment of HIV infection has an untowarded effect on the blood vessels, promoting early occurence of atherosclerosis.
- Trial name
- ENDOPACT (NCT00447070)
- Testing
- ATAZANAVIR
- Where
- Switzerland
- Volunteers
- 50 people
- Sponsor
- Foundation for Cardiovascular Research, Zurich
Peripheral Arterial Disease, Intermittent Claudication
The Effects of Metformin on Functional Capacity in Individuals With Peripheral Artery Disease-Related Intermittent Claudication
The purpose of this study is to determine the effects of metformin on functional capacity (pain-free and maximum walking times) in individuals with peripheral artery disease (PAD)-related intermittent claudication.
- Trial name
- NCT01799057
- Testing
- Metformin
- Where
- Australia
- Volunteers
- 2 people
- Sponsor
- Baker Heart and Diabetes Institute
Gestational Diabetes, Oxidative Stress
Role of NADPH Oxidase in Microvascular Dysfunction Following GDM
The purpose of this investigation is to examine NADPH oxidase as a source of reactive oxygen species contributing to aberrant microvascular function in otherwise healthy women with a history of GDM.
- Conditions
- Gestational Diabetes, Oxidative Stress, Vascular Endothelial Function
- Trial name
- NCT05946798
- Testing
- Acetylcholine, Insulin aspart
- Where
- United States
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Anna Stanhewicz, PhD
Ischemic Stroke, Acute Coronary Syndrome
Comparative Study of Arterial Properties After an Ischaemic Stroke or an Acute Coronary Syndrome
A pilot, prospective, comparative study. To include both male and female patients who have presented an ischaemic stroke (full stroke or TIA) or an ACS, 5 to 30 days prior to inclusion.
- Conditions
- Ischemic Stroke, Acute Coronary Syndrome, Obstructive Sleep Apnea Syndrome
- Trial name
- AVC/SCA (NCT00926874)
- Where
- France
- Volunteers
- 150 people
- Sponsor
- University Hospital, Grenoble
Overweight and Obesity, Endothelial Dysfunction
Influence of Walnut Intake on Vascular Function and Metabolism
This study seeks to confirm and extend previous finding that four weeks of daily intake of 40 g of walnuts improve microvascular function, increasing the reactive hyperemia index (RHI), effects which were greatest in individuals…
- Conditions
- Overweight and Obesity, Endothelial Dysfunction, Cardiovascular Risk Factor
- Trial name
- NCT03900403
- Testing
- Walnut Intake
- Where
- United States
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- University of California, Davis
Obstructive Sleep Apnea
CPAP Effect on Vascular Function in Obstructive Sleep Apnea
Obstructive sleep apnea syndrome is responsible of endothelial dysfunction, which is a independent cardio-vascular risk factor. Assessment of pulse wave velocity (PWV) and peripheral arterial tone (PAT) are study measurements of…
- Trial name
- VNI-SOH2 (NCT02623088)
- Testing
- PAP Therapies (CPAP)
- Where
- France
- Volunteers
- 107 people
- Sponsor
- University Hospital, Grenoble
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
Endothelial Dysfunction
Centella Asiatica in Older Adults
The purpose of this study is to determine the effects of a dietary supplement containing centella asiatica on on vascular endothelial function in older adults.
- Trial name
- NCT06472791
- Testing
- Centella Asiatica
- Where
- United States
- Volunteers
- 23 people, healthy volunteers welcome
- Sponsor
- National University of Natural Medicine
Acute Coronary Syndromes, Flow Mediated Dilation
A Prospective, Single-center, Observational Study Aiming to Assess the Predictive Role of Flow Mediated Dilatation in Acute Coronary Syndromes, Combined With Echocardiographic and Biochemical Indices
A prospective, single-center, observational study aiming to assess the predictive role of flow mediated dilatation in acute coronary syndromes, combined with echocardiographic and biochemical indices.
- Conditions
- Acute Coronary Syndromes, Flow Mediated Dilation, Endothelial Function (FMD)
- Trial name
- FLARE-ACS (NCT06890013)
- Testing
- Observation group
- Where
- Greece
- Volunteers
- 100 people
- Sponsor
- Aristotle University Of Thessaloniki