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Nutritional Supplementation and Insulin Sensitivity

Insulin Sensitivity Clinical Trial

Official title:
Longer-term Effects of a Novel Nutritional Combination on Muscle Insulin Sensitivity and Mitochondrial Function, and Vascular Function in Abdominally Obese Subjects

Clinical Trial Summary

Type 2 diabetes mellitus (T2DM) is a progressive disease and early intervention and prevention strategies are therefore very important. An important early hallmark in the development of T2DM is insulin resistance. Since the majority of postprandial glucose disposal occurs in skeletal muscle, improving muscle insulin sensitivity will thus have a major impact on disease prevention. Abdominally obese men and women have an increased risk to develop T2DM, and are also characterized by an impaired vascular function. This may hamper proper delivery of insulin, glucose and oxygen to muscles, thereby contributing to - and possibly causing - muscle insulin resistance. Earlier it has been shown that supplementation with L- arginine improves vascular function by improving nitric oxide (NO) bioavailability. These NO- mediated beneficial effects on vascular function may improve delivery of insulin, glucose and oxygen to the muscle tissue, thereby improving muscle insulin sensitivity and mitochondrial function. However, the doses needed of this amino acid cannot be provided by regular diets or supplements, also due to the bitter taste of L-arginine. Alternatively, smaller amounts of L- arginine with a specific combination of other nutritional components (i.e. nitrate and nitrite), which are already part of the regular diet and support alternative pathways to improve NO- mediated vascular function, may also induce beneficial effects. The investigators now hypothesize that in abdominally obese adults with impaired fasting glucose concentrations L-arginine combined with nitrate/nitrite increases muscle insulin sensitivity.

Clinical Trial Description

n/a

Study Design

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT04239482
Study type Interventional
Source Maastricht University Medical Center
Contact
Status Terminated
Phase N/A
Start date September 1, 2020
Completion date October 1, 2020
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