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Vitamin D Supplementation in CAD and Postchallenge Hyperglycemia

Coronary Artery Disease Clinical Trial

Official title:
Effects of Vitamin D Supplementation in Coronary Artery Disease Patients With Postchallenge Hyperglycemia and Vitamin D Deficiency on Endothelial Function and Insulin Sensitivity

Clinical Trial Summary

The main aim of the investigation is to clarify, whether vitamin D supplementation in coronary artery disease patients with vitamin D deficiency and postchallenge hyperglycemia has an impact on endothelial dysfunction and parameters of insulin sensitivity and beta-cell function.

Clinical Trial Description

An improvement of endothelial dysfunction as a cardiovascular surrogate parameter could be translated in a reduced risk for future cardiovascular events, which is of major interest, since patients with postchallenge hyperglycemia face a significantly higher cardiovascular risk than patients with normal glucose tolerance. Furthermore an improvement in insulin sensitivity and/or beta-cell function would identify vitamin D as an important strategy for the prevention of type 2 diabetes. In consideration of the rapidly increasing prevalence of diabetes and the failure of current prevention strategies this could be an important, safe and cheap way to support ongoing lifestyle modifying programs. Our study of course investigates surrogate cardiovascular and insulin sensitivity parameters. Assuming a beneficial effect of vitamin D in our study, this concept would have to be proven in further large outcome as well as diabetes prevention trials. ;

Study Design

Allocation: Randomized, Endpoint Classification: Efficacy Study, Intervention Model: Parallel Assignment, Masking: Double Blind (Subject, Investigator), Primary Purpose: Treatment

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT01183442
Study type Interventional
Source Medical University of Graz
Contact
Status Terminated
Phase Phase 3
Start date June 2010
Completion date November 2012
View Details
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