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Effect of Rosiglitazone on the Vascular Biology of Human Fat Tissue — RAPA  

Metabolic Syndrome Clinical Trial

Official title:
Effect of Rosiglitazone on In-vivo Angiogenic Potential of Human Adipose Tissue

Clinical Trial Summary

Insulin resistance is a common condition that can lead to type 2 diabetes. One of the commonly prescribed diabetes medications, called rosiglitazone, works by decreasing insulin resistance. Rosiglitazone appears to work on fat cells. Animal studies suggest that rosiglitazone may work by increasing blood vessel growth in fat cells. The purpose of this research is to see if rosiglitazone also increases blood vessel growth in human fat cells. The investigators will compare results from before and after being on rosiglitazone for 6 weeks.

Clinical Trial Description

Adipocytes play a crucial role in the control of metabolic homeostasis, by sequestering excess calories in the form of triglycerides, and secreting cytokines that control systemic fuel utilization. Sustained excess calorie consumption results in adipocyte hypertrophy and hyperplasia, and like any expanding tissue, requires increased capillary expansion to nourish the enlarged adipose tissue mass. Recent reports indicate that decreased capillary density in adipose tissue of obese individuals correlates with insulin resistance, suggesting that an imbalance of angiogenesis and adipogenesis may underlie this condition. To determine whether improvement in insulin sensitivity is related to changes in adipose tissue capillary development, we conducted a randomized, double-blind, placebo-controlled trial to determine capillary density, angiogenic growth potential, and metabolic parameters in healthy human volunteers before and after treatment with rosiglitazone, a potent insulin sensitizer. ;

Study Design

Allocation: Randomized, Intervention Model: Parallel Assignment, Masking: Double Blind (Subject, Investigator, Outcomes Assessor), Primary Purpose: Basic Science

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT01150981
Study type Interventional
Source University of Massachusetts, Worcester
Contact
Status Completed
Phase Phase 2
Start date November 2006
Completion date April 2010
View Details
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