Viral Load and CD4+ T Lymphocyte Response to Highly Active Antiretroviral Therapy in Human Immunodeficiency Virus Type 1-Infected Children: An Observational Study

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Abstract

An observational study was performed involving 95 children with vertically transmitted human immunodeficiency virus type 1 infection to assess the sustainability of undetectable viral loads (VLs) and increased CD4+ T lymphocyte percentages after 48 months of highly active antiretroviral therapy (HAART). The median time to achieve a 10% increase in the CD4 + T lymphocyte percentage was 11.01 months. The median time to achieve an undetectable VL was 6.4 months. At the end of the study, 64.2% of the children had achieved an undetectable VL. Of the patients with an initial VL of >3.6 log10 copies/mL, 74.7% had a decrease in the VL of 1 log10 copies/mL. By contrast, of the patients who presented with an initial VL of >4.6 log10 copies/mL, 37.9% had a decrease of >2 log10 copies/mL. Higher VL at baseline, antiretroviral therapy regimens received before HAART, and multiple drug switches while receiving antiretroviral therapy were all inversely associated with an undetectable VL. A CD4+ T lymphocyte percentage of >25% was directly associated with undetectable VL during the follow-up period. In conclusion, first-line HAART induces beneficial virological and immunological outcome responses in children.

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APA

Resino, S., Bellón, J. M., Gurbindo, D., Ramos, J. T., León, J. A., Jose Mellado, M., & Muñoz-Fernández, M. Á. (2003). Viral Load and CD4+ T Lymphocyte Response to Highly Active Antiretroviral Therapy in Human Immunodeficiency Virus Type 1-Infected Children: An Observational Study. Clinical Infectious Diseases, 37(9), 1216–1225. https://doi.org/10.1086/378804

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