Changes in levels of immune activation and reconstitution markers among HIV-1-infected Africans receiving antiretroviral therapy.
OBJECTIVE: To describe changes in immune activation and reconstitution markers among HIV-1-infected patients receiving antiretroviral therapy (ART) in Abidjan, Côte d'Ivoire. METHODS: Between November 1998 and February 2001, we analyzed changes in immune activation and reconstitution markers among 52 patients. Good virologic responders (n = 26) were defined as those who had suppressed and maintained plasma viral load (VL) below the detection limit of the assay for at least 12 months. Poor virologic responders (n = 26) were defined as those with a detectable VL at 6 and 12 months after beginning ART. RESULTS: Of the 26 good virologic responders, 20 (77%) were on highly active antiretroviral therapy (HAART) compared with one (4%) of the poor responders. Among the 26 good responders, baseline median levels of CD38+CD8+ T cells were elevated, but had decreased significantly at 6 months (P < 0.001) and at 12 months of therapy (P < 0.001). Median levels of HLA-DR+CD8+ T cells also decreased from baseline at 6 months (P < 0.001) and at 12 months of therapy (P < 0.001). Levels of CD62L+CD4+ T cells increased steadily during the 6 and 12 months of therapy and reached levels observed among HIV-negative blood donors (P = 0.07). Among the 26 poor responders, median levels of CD38+CD8+ T cells decreased significantly at 12 months of therapy (P = 0.006), but were higher than levels in blood donors (P = 0.005). Levels of HLA-DR+CD8+ T cells decreased significantly at 12 months of therapy (P < 0.001). Levels of CD62L+CD4+ decreased over time. CONCLUSION: Our results suggest that HAART can be successfully used in African populations with elevated baseline immune activation markers.[1]References
- Changes in levels of immune activation and reconstitution markers among HIV-1-infected Africans receiving antiretroviral therapy. Koblavi-Dème, S., Maran, M., Kabran, N., Borget, M.Y., Kalou, M., Kestens, L., Maurice, C., Sassan-Morokro, M., Ekpini, E.R., Roels, T.H., Chorba, T., Nkengasong, J.N. AIDS (2003) [Pubmed]
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