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Clinical Trial Summary

The purpose of this study is to learn more about why patients with diabetes have increased heart attacks, strokes and other illnesses due to blood clots causing blockage of a blood vessel. The proposed protocol will study the separate and combined effects of hyperglycemia and hyperinsulinemia on endothelial function and fibrinolytic balance in Type 2 DM. Our hypothesis is that hyperglycemia, rather than hyperinsulinemia, is responsible for the dysregulation of fibrinolytic balance in diabetics.


Clinical Trial Description

This study will test the hypothesis that hyperglycemia will impair, while hyperinsulinemia will improve endothelial function and vascular fibrinolytic balance in type 2 DM. As discussed above, their roles in the increased prevalence of thrombotic events occurring in diabetics have not been defined. More recent data supports insulin as profibrinolytic and hyperglycemia to cause endothelial dysfunction. Conclusive studies are lacking in diabetic subjects. Furthermore, preliminary data from this lab indicates that in non-diabetic controls, hyperglycemia results in a prothrombotic state by increasing plasma PAI-1 and reducing tPA levels. The proposed protocol will study the separate and combined effects of hyperglycemia and hyperinsulinemia on endothelial function and fibrinolytic balance in Type 2 DM. ;


Study Design

Allocation: Randomized, Intervention Model: Factorial Assignment, Masking: Single Blind (Subject), Primary Purpose: Prevention


Related Conditions & MeSH terms


NCT number NCT00574665
Study type Interventional
Source Vanderbilt University
Contact
Status Completed
Phase N/A
Start date October 2006
Completion date December 2010

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