Effect of Highly Active Antiretroviral Therapy (HAART) on Lean Body Mass

Inclusion Criteria

Patients may be eligible for this study if they:

• Are enrolled in an adult AIDS clinical trial.
• Are HIV-positive.
• Have a viral load of at least 10,000 copies/ml.
• Are expected to live at least 6 months.
• Are at least 18 years old.

Exclusion Criteria

Patients will not be eligible for this study if they:

• Have a history of diabetes requiring medication.
• Have a history of heart disorders.
• Have a fever, diarrhea, nausea, or a condition which makes it difficult to eat within the 14 days prior to study entry.
• Have swelling due to any cause.
• Are pregnant or breast-feeding.
• Are receiving any therapy to increase your appetite or gain weight within 30 days prior to study entry.
• Are receiving any therapy for a severe infection or medical illness within 14 days prior to study entry.
• Are taking certain medications.

History of severe allergic reactions to study medication Currently pregnant or breastfeeding Recent participation in another clinical trial within the last 30 days Presence of uncontrolled medical conditions that could affect safety