Metabolic Effects of Switching Kaletra to Boosted Reyataz

Status Completed

Clinical Trial Summary

To study the effects of switching from Kaletra to Boosted Reyataz on glucose, lipids and fat in HIV-infected patients.

Clinical Trial Description

The primary objective of this study is to determine tissue specific glucose trafficking in patients before and after switching from a regimen containing Lopinavir/ritonavir (LPV/r) to one containing atazanavir/ritonavir (ATV/r). Secondary outcome measures of interest will include insulin sensitivity determined by clamp testing, and lipid metabolism and hepatic glucose production assessed using stable isotope techniques. We hypothesize that switching protease inhibitor (PI) to ATV/r from LPV/r will result in direct increases in glucose uptake in muscle and visceral adipose tissue in association with improvements in overall whole body insulin sensitivity compared to remaining on LPV/r. We will complete a prospective randomized trial of Human Immunodeficiency Virus (HIV) infected patients who have been on a stable antiretroviral (ARV) regimen containing LPV/r for at least 6 months and who will be randomized to either switch to a regimen containing ATV/r or remain on LPV/r for 6 months. Each subject will complete Positron Emission Tomography (PET) 18-fluorodeoxyglucose (FDG) imaging during a hyperinsulinemic clamp study at baseline and 6 months after randomization. ;

Study Design

Allocation: Randomized, Endpoint Classification: Safety/Efficacy Study, Intervention Model: Parallel Assignment, Masking: Open Label, Primary Purpose: Treatment

Related Conditions & MeSH terms

HIV Infections

Clinical Trial Details

NCT number	NCT00413153
Study type	Interventional
Source	Massachusetts General Hospital
Contact
Status	Completed
Phase	N/A
Start date	May 2006
Completion date	December 2008

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