This subproject is one of many research subprojects utilizing the resources provided by a Center grant funded by NIH/NCRR. The subproject and investigator (PI) may have received primary funding from another NIH source, and thus could be represented in other CRISP entries. The institution listed is for the Center, which is not necessarily the institution for the investigator. This protocol hypothesizes that use of combination antiretroviral therapy will allow long-term control of viral replication with preservation of normal immune function when administered early in life to HIV-1 infected children. Specifically, this study will examine the antiretroviral activity of ZDV/3TC/NVP/NFV in vertically-infected infants and children aged >15 days to 29 days, and d4T/3TC/NVP/ NFV in vertically-infected infants and children aged >30 days. Laboratory assays will be conducted in order to assess HIV-1 and CD4/CD8 T cell kinetics, activation, and maturation. The study will also test the concept that early (< 3 months of age) use of potent, combination antiretroviral therapy will allow the long term control of viral replication with preservation of normal immune function.
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