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Endothelial Function clinical trials

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NCT ID: NCT05726474 Recruiting - Heart Failure Clinical Trials

Comparison of the Effect of Two Types of Physical Exercises in Patients With Heart Failure With Preserved Ejection Fraction

ExIC-FEp
Start date: January 23, 2023
Phase: N/A
Study type: Interventional

Background: Heart failure (HF) is a chronic disease with a very important and increasingly severe social and health impact with a prevalence of 6.8% in Spain. HF with preserved ejection fraction (HFpEF) represents approximately 50% of all patients with HF. In the absence of pharmacological treatments that have succeeded in reducing mortality or morbidity in this pathology, it is recommended that interventions be directed at prevention, symptomatic treatment of HF and treatment of comorbidities to avoid exacerbations, thus physical exercise is recognized as an important adjunct in the treatment of HF and is recommended by the guidelines of the American College of Cardiology (ACC)/American Heart Association (AHA) and the European Society of Cardiology (ESC). Currently, aerobic exercise is the most studied physical exercise in this population, but in recent years high-intensity interval training (HIIT) and the combination of aerobic exercise with strength training (combined exercise) have emerged. Objectives: The overall objective of this study is to compare the effectiveness of combined training and HIIT on exercise capacity, diastolic function, endothelial function, and arterial stiffness in patients with HFpEF. The specific objectives of this study are: a) to compare the effectiveness of combined training and HIIT on quality of life in patients with HFpEF and b) to analyze the cost-effectiveness of combined training and HIIT versus conventional treatment in patients with HFpEF. Methodology: The ExIC-FEp study will be a single-blind randomized clinical trial with 3 arms (combined exercise, HIIT and a control group), conducted at the Health and Social Research Center of the University of Castilla-La Mancha, to analyze two types of supervised physical exercise in patients with HFpEF for 6 months. Patients with HFpEF will be randomly assigned (1:1:1) to the combined exercise, HIIT or control group. All participants will be examined, at baseline (prior to randomization), at three months (mid-intervention) and at six months (at the end of the intervention). Participants will undergo physical examination, echocardiography, maximal cardiopulmonary stress test, and measurement of endothelial function and arterial stiffness. In addition, sociodemographic variables, quality of life, physical activity, adherence to the Mediterranean diet, strength, spirometry and blood sampling will be measured. Expected scientific contributions: this randomized clinical trial will represent a a significant advance in the scientific evidence available on the efficacy of physical exercise in the treatment of HFpEF, through: (a) transfer of the results to physicians, nurses and patients; (b) dissemination of results through scientific articles, doctoral theses and participation in congresses; (c) press releases and press conferences with the aim of disseminating the research results to the population; (d) dissemination through social networks to improve the social impact; and (e) design and content development of a web page.

NCT ID: NCT05002881 Recruiting - Clinical trials for Endothelial Function

A Study to Explore the Effect of Moringa Oleifera (E-HS-01) on Flow Mediated Dilatation and Hemodynamics

Start date: August 16, 2021
Phase: N/A
Study type: Interventional

The present study is designed to evaluate the modulatory effect of IP on the vascular endothelial function. To assess its vasodilatation potential, change in flow mediated dilation (FMD) and blood flow velocity (BFV) will be assessed in healthy adult male population.

NCT ID: NCT04971408 Recruiting - Spinal Cord Injury Clinical Trials

Impact of Passive Heat on Metabolic, Inflammatory and Vascular Health in Persons With Spinal Cord Injury

SCIPHS
Start date: July 1, 2022
Phase: N/A
Study type: Interventional

SCI results in higher incidence of heart disease and diabetes and heart disease is the most common cause of death. Chronic inflammation, deleterious changes in vascular structure and impaired glucose metabolism are risk factors that contribute to both heart disease and diabetes. While exercise can help reduce these risk factors, paralysis and impaired accessibility often precludes exercise in persons with SCI. New research in able-bodied persons demonstrates passive heating decreases inflammation and improves vascular function. Similar studies in persons with SCI suggest they may also have the same health benefits however these studies only investigated the impact of short term (one episode) passive heating (as opposed to repeated bouts). Repeated bouts of heat exposure will likely be required to impact chronic inflammation, but this has never been tested in persons with SCI. This study will test the impact of repeated bouts (3x/week) of passive heat stress over a longer term (8 weeks) on inflammation, metabolism and vascular function.

NCT ID: NCT04689477 Recruiting - COVID-19 Clinical Trials

Non-invasive Characterization of Systemic Microvascular Reactivity by Near-infrared Diffuse Optical Spectroscopy in COVID-19 Patients

HEMOCOVID19
Start date: May 25, 2020
Phase:
Study type: Observational [Patient Registry]

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 in ICU COVID-19 patients.

NCT ID: NCT03287518 Recruiting - Blood Pressure Clinical Trials

Evaluation of the Benefit and Tolerability of WAK2017 on Endothelial Function, Blood Pressure and Lipid Profile

Start date: July 28, 2017
Phase: N/A
Study type: Interventional

The main objective of the study is to evaluate the endothelial function of WAK2017. In addition the effects on the blood pressure and the parameters of lipid metabolism will be explored.

NCT ID: NCT02501616 Recruiting - Type 2 Diabetes Clinical Trials

Effect of Dapagliflozine on Systemic and Renal Endothelial Function

Start date: December 2014
Phase: Phase 4
Study type: Interventional

This is a phase 4, single center, randomized, open-labeled, cross-over design study. The primary objective of the study is to compare effect of dapagliflozine and metformin on endothelial function. Subjects are randomized to initial metformin or initial dapagliflozin group and maintained initial treatment for 8 weeks. During that period, dose of dapagliflozin is maintained 10mg/day and metformin can be titrated upto 2000 mg/day. After 1 weeks of washout period, 8 weeks' cross-over is followed.

NCT ID: NCT02500329 Recruiting - Type 2 Diabetes Clinical Trials

Effect of Gemigliptin or Acarbose on Endothelial Function in Type 2 DM Patients

Start date: September 2014
Phase: Phase 4
Study type: Interventional

This is a phase 4, single center, randomized, open-labeled study. The primary objective of the study is to compare effect of gemigliptin and acarbose on endothelial function. Subjects are randomized to gemigliptin or acarbose group and maintained intial treatment for 4 weeks.

NCT ID: NCT01241097 Recruiting - Clinical trials for Endothelial Function

Pleiotropism of Statin Therapy in High Dose Versus Low Dose Combined With Ezetimibe

Start date: March 2010
Phase: N/A
Study type: Interventional

- To test the hypothesis that therapy with high dose statin provides endothelial superior benefit to the same cholesterol lowering with low-dose statin combined with ezetimibe. - To test the hypothesis that therapy with high dose statin provides anti-inflammatory effect than the same reduction of cholesterol with low dose of statin plus ezetimibe

NCT ID: NCT00732511 Recruiting - Hypertension Clinical Trials

Coreg CR, Blood Vessel Stiffness and Blood Vessel Function

Start date: April 2008
Phase: Phase 4
Study type: Interventional

We are comparing the blood pressure-lowering effects of two marketed medications, Coreg CR and Toprol XL. Although both drugs reduce blood pressure by blocking the action of noradrenaline on beta-receptors in the blood vessels, Coreg CR also blocks alpha-receptors, which may provide added blood pressure-lowering. In addition, Coreg CR may have anti-oxidant actions. Cells which line blood vessels (termed "endothelial cells") make nitric oxide (NO), which relaxes the muscle cells encircling the blood vessels, causing a reduction in blood pressure. When body cells use oxygen, they normally produce "free radicals", which can destroy NO,leading to high blood pressure, heart damage and worsenimg of diabetes. Antioxidants remove free radicals and prevent or repair this damage. In this study we will measure endothelial cell function, blood vessel wall stiffness, NO in exhaled breath, and blood levels of substances which reflect NO production and destruction to determine if a pure beta-blocker (Toprol XL) differs from an alpha/beta blocker (Coreg CR) in these effects. We will also examine the mechanism by which such differences might occur.

NCT ID: NCT00173966 Recruiting - Atrial Fibrillation Clinical Trials

A Case Control Study to Investigate the Possible Association Between Atrial Fibrillation and Endothelium Dysfunction by Using Flow-Mediated Vasodilation Method

Start date: January 2005
Phase: N/A
Study type: Observational

Endothelial function is closely related to the hemostasis , vascular tone, and organ perfusion in cardiovascular system, and its dysfunction would cause overactivation of the coagulative system to induce thrombus formation. So we study the relationship between the endothelial function and atrial fibrillation.