Long-Term Benefits of Highly Active Antiretroviral Therapy in Senegalese HIV-1-Infected Adults

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Abstract
Objectives: To assess the long-term survival, as well as the immunologic and virologic effectiveness, adherence, and drug resistance, in HIV-infected patients receiving highly active antiretroviral therapy (HAART) in one of the oldest and best-documented African cohorts. Methods: A prospective observational cohort study included the first 176 HIV-1-infected adults followed in the Senegalese government-sponsored antiretroviral therapy initiative launched in August 1998. Patients were followed for a median of 30 months (interquartile range, 21-36 months). HAART comprised 2 nucleoside reverse transcriptase inhibitors and either 1 protease inhibitor or 1 nonnucleoside reverse transcriptase inhibitor. Results: At baseline, 92% of patients were antiretroviral naive and 82% had AIDS; the median CD4 count was 144 cells/mm3, and median viral load was 202,368 copies/mL. The survival probability was high (0.81 at 3 years; 95% CI, 0.74-0.86) and was independently related to a baseline hemoglobin level 10 copies/mL; 60-80% of patients with viral load 3. Most patients reported good adherence (80-90%). The emergence of drug resistance was relatively rare (12.5%). Conclusion: This study shows that clinical and biologic results similar to those seen in Western countries can be achieved and sustained during the long term in Africa.