The purpose of this study is to examine whether replacing leptin to normal levels can reverse the changes in fat distribution, lipid profile, and other metabolic problems associated with highly active antiretroviral therapy (HAART)-induced lipodystrophy and metabolic syndrome in HIV patients.
Exposure to HIV medications has been associated with metabolic changes including generalized fat depletion (lipoatrophy), high triglyceride levels, and in some patients, high sugar levels or diabetes. This syndrome is associated with a deficiency of leptin, a hormone produced by fat cells. Recent studies involving leptin administration to patients with congenital lipoatrophy have shown dramatic improvements in metabolic parameters such as insulin resistance and hyperlipidemia. Leptin administration to patients with HAART-induced lipoatrophy may also lead to significant improvements in the metabolic abnormalities found in these HIV+ patients. The aims of this study are to examine the effect of leptin administration on insulin resistance and other parameters of the metabolic syndrome in HIV patients with HAART-induced lipoatrophy. Comparison: Leptin-treated group to placebo-treated group
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
TRIPLE
Enrollment
7
Beth Israel Deaconess Medical Center
Boston, Massachusetts, United States
Serum Lipid Levels
Time frame: At the end of each two month intervention
Insulin Resistance (as Assessed by HOMA-IR)
Time frame: At the end of each two month intervention
Glycemia (as Assessed by Fasting Glucose)
Time frame: At the end of each two month intervention
Low Density Lipoprotein (LDL) Cholesterol Levels
Time frame: At the end of each two month intervention
Free Fatty Acid (FFA) Levels
Time frame: At the end of each two month intervention
Blood Pressure
percent change in mean blood pressure
Time frame: At the end of each two month intervention
Fibrinogen
Fibrinogen
Time frame: At the end of each two month intervention
Insulin Levels
Time frame: At the end of each two month intervention
Lean Body Mass
lean body mass
Time frame: At the end of each two month intervention
Viral Load
Time frame: At the end of each two month intervention
CD4+ Lymphocytes
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Time frame: At the end of each two month intervention
Interleukin-6 (IL-6) Levels
Time frame: At the end of each two month intervention
Hepatic Fat Content
Time frame: At the end of each two month intervention