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Clinical Trial Summary

The study will be focused on determining the integrated in-vivo mechanisms responsible for Ramipril's effects on delaying type 2 diabetes and restoring normal (blood sugar levels) glycemia in patients with impaired glucose tolerance.

Hypothesis - Ramipril effects will delay the onset of type 2 diabetes and restore normal glycemia in patients with impaired glucose tolerance.


Clinical Trial Description

Several studies have demonstrated that therapeutic agents used to reduce glucose levels and/or weight can delay the onset of type 2 diabetes. Intriguingly, angiotensin converting enzyme (ACE) inhibitors or angiotensin receptor blockers (ARB) also result in reduction in the onset of type 2 DM. The most striking effect was found with Ramipril in the HOPE study. The onset of new type 2 DM was reduced by 34% (p<0.001) as compared to placebo. Furthermore, the results of the DREAM trial demonstrate that Ramipril at a dose of 15 mg can significantly reverse impaired glucose tolerance. However, the mechanisms underlying Ramipril effects to delay type 2 diabetes are not known.

The proposal will be focused on determining the integrated in-vivo mechanisms responsible for Ramipril's effects on delaying type 2 DM and restoring normal glycemia in patients with impaired glucose tolerance.

The specific aims of the project are:

- to determine the effect of Ramipril on insulin resistance at the level of the liver and peripheral tissues,

- to determine the effect of Ramipril on endothelial function,

- to determine the effects of Ramipril on insulin secretion, and

- to determine the effects of Ramipril on substrate flux, lipolysis and inflammatory cytokines. ;


Study Design


Related Conditions & MeSH terms


NCT number NCT00574834
Study type Interventional
Source University of Maryland, Baltimore
Contact
Status Terminated
Phase Early Phase 1
Start date March 2007
Completion date August 2014

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