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Flow-mediated Dilation clinical trials

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NCT ID: NCT06288828 Not yet recruiting - Physical Activity Clinical Trials

The Efficacy of Aerobic Exercise Training on Autonomic Nervous System and Endothelial Function in Patients With Compensated Cirrhosis

Start date: March 5, 2024
Phase: N/A
Study type: Interventional

The goal of this clinical trial is to explore the impact of a 16-week aerobic exercise regimen on the autonomic nervous system and endothelial function in patients with compensated cirrhosis who maintain sedentary lifestyles. The primary research question is: 1) What effect does 16 weeks of aerobic exercise have on changes in the autonomic nervous system and endothelial function in cirrhotic patients? Additionally, the secondary research questions are: 1. How does a 16-week aerobic exercise program influence changes in muscle mass, muscle strength, and physical performance in cirrhotic patients? 2. Is there a correlation between muscle mass and parameters of the autonomic nervous system in cirrhotic patients? Participants in the intervention group will undergo 150 minutes of moderate aerobic exercise per week for 16 weeks, accompanied by a personalized nutritional plan (1.2 grams of protein per kilogram of ideal body weight per day and a calorie intake of 35 kilocalories per kilogram of ideal body weight per day). The control group will solely receive nutritional guidance and maintain their sedentary lifestyle. The researchers will compare outcomes between these two groups.

NCT ID: NCT05450042 Recruiting - Clinical trials for Peripheral Arterial Disease

Vascular Effects Through Sirolimus vs. Paclitaxel DCB Implantation

Start date: April 6, 2022
Phase: N/A
Study type: Interventional

Endovascular treatment of symptomatic atherosclerotic peripheral artery disease (PAD) is recommended as the primary revascularization strategy. Percutaneous transluminal angioplasty (PTA) of the superficial femoral artery has a high initial success rate, but restenosis and dissections frequently occur.The influence of the novel devices with improved hemodynamic capabilities with respect to vasomotion of the vessel wall, vascular function and vascular compliance can be measured by FMD (flow-mediated dilation), arterial stiffness indices and vascular strain analysis. The aim of this ITT is to determine the potential improvement and impact of the SELUTION SLR in the infrainguinal arteries on local vascular function.

NCT ID: NCT03486145 Completed - High Blood Pressure Clinical Trials

Effect of Nitrate-rich Fruit and Vegetable Supplement on Blood Pressure

Start date: November 16, 2015
Phase: N/A
Study type: Interventional

It is hypothesized that the daily supplementation of a nitrate-rich, two-ounce fruit and vegetable energy supplement (Isagenix International LLC) by healthy young adults with a would increase circulating nitrates and improve cardiovascular parameters compared to a nitrate-deficient placebo (prune juice).

NCT ID: NCT01041547 Completed - Insulin Sensitivity Clinical Trials

Vascular Function, Insulin Sensitivity, and Vitamin D

VIVID
Start date: December 2009
Phase: N/A
Study type: Observational

The overall objectives of this study are to examine the relationships between circulating vitamin D, insulin sensitivity, and multiple indices of vascular function and to examine whether vitamin D deficiency in African Americans (AA) and White Hispanics (WH) is responsible for ethnic differences in insulin sensitivity and hypertension in AA, WH and European Americans (EA), as well as mechanisms underlying the association between insulin resistance and blood pressure. We hypothesize that 1) serum 25(OH)D is associated with insulin sensitivity and vascular functioning, independent of adiposity, 2) lower insulin sensitivity and vascular functioning in AA and WH relative to EA is due to lower circulating 25(OH)D in AA, and 3) the relationship between insulin resistance and vascular dysfunction is mediated by 25(OH)D. Acronyms: African American (AA), European American (EA), White Hispanics (WH), Serum 25-hydroxy vitamin D (25()H)D, Body mass index (BMI), Alabama (AL).

NCT ID: NCT01041365 Completed - Insulin Sensitivity Clinical Trials

Vitamin D, Insulin Sensitivity, and Vascular Associations in Adolescents

DIVA
Start date: December 2009
Phase: N/A
Study type: Observational

The overall objectives of this study are to examine the relationships between circulating vitamin D, insulin sensitivity, and multiple indices of vascular function and to examine whether vitamin D deficiency in AA is responsible for ethnic differences in insulin sensitivity and hypertension in AA and EA, as well as mechanisms underlying the association between insulin resistance and blood pressure. We hypothesize that 1) serum 25(OH)D is associated with insulin sensitivity and vascular functioning, independent of adiposity, 2) lower insulin sensitivity and vascular functioning in AA relative to EA is due to lower circulating 25(OH)D in AA, and 3) the relationship between insulin resistance and vascular dysfunction is mediated by 25(OH)D. Acronyms: African American (AA), European American (EA), Serum 25-hydroxy vitamin D (25()H)D, Body mass index (BMI), Alabama (AL).