Measurement of Glomerular Filtration Rate (GFR) in HIV Patients: Single-center Study Comparing the Accuracy of Estimators of GFR Versus Iohexol Plasma Clearance

Inclusion Criteria: * Patients infected with HIV, and included in the cohort NADIS Exclusion Criteria: * Patient with a known allergy * Patients treated with metformin * Patients with severe hepatic impairment defined as a TP spontaneously below 50% * Patients with a history of dysthyroidism * Patient with active neoplasia other than skin cancer * Degradation recent (not older than 3 months) in renal function defined as the deterioration of GFR over 25%. * Estimated GFR less than 15 mL/min/1, 73m2 * Pregnant or lactating * Subjects under the protection of justice