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Myocardial Function & FFA Metabolism in HIV Metabolic Syndrome — WU197  

HIV Infections Clinical Trial

Official title:
Myocardial Function, Free Fatty Acid and Glucose Metabolism in HIV Metabolic Syndrome

Clinical Trial Summary

We hypothesize that the hearts of HIV+ people with The Metabolic Syndrome use and oxidize fats and sugars inappropriately, and that this may impair the heart's ability to pump blood. We hypothesize that exercise training or pioglitazone (Actos) will improve fat and sugar metabolism in the hearts of HIV+ people with The Metabolic Syndrome. This study will advance our understanding of cardiovascular disease in HIV+ people, and will test the efficacy of exercise training and pioglitazone for improving insulin resistance, heart metabolism and heart function in this at risk population.

Clinical Trial Description

We hypothesize that myocardial free fatty acid and glucose utilization and oxidation rates are dysregulated in HIV+ people with The Metabolic Syndrome in comparison to HIV+ people without The Metabolic Syndrome, and in comparison to HIV-seronegative people with and without The Metabolic Syndrome. We hypothesize that dysregulated myocardial fatty acid and glucose metabolism is associated with impaired heart function (diastolic dysfunction) in HIV+ people with The Metabolic Syndrome. We will use myocardial positron emission tomography, radioactive isotope tracers of palmitate and glucose, and echocardiography to evaluate myocardial metabolism and function. HIV+ people with The Metabolic Syndrome will receive 16wks of exercise training or pioglitazone (Actos), and we will evaluate their potential beneficial effects on myocardial metabolism and function. ;

Study Design

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

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT00656851
Study type Interventional
Source National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
Contact
Status Completed
Phase N/A
Start date September 2005
Completion date August 2010
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