Journal
PEDIATRICS
Volume 114, Issue 5, Pages E604-E611Publisher
AMER ACAD PEDIATRICS
DOI: 10.1542/peds.2004-0274
Keywords
children; HIV; immune reconstitution; protease inhibitors; immunization; growth
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Objective. To evaluate 96-week clinical and immune outcomes to protease inhibitor-containing antiretroviral therapy. Methods. A prospective study was conducted of 40 human immunodeficiency virus (HIV)-infected children who displayed viral suppression ( VS) with successful immune reconstitution ( IS), failure to suppress virus (VF) or develop immune reconstitution ( IF), or discordant immune and viral responses (VF/IS) at 24 weeks posttherapy. All children enrolled had viral RNA >4.0 log(10) copies per mL and were Centers for Disease Control ad Prevention immune stage 2 or 3. Clinical, viral, and immune outcomes were assessed during the subsequent 72 weeks. Results. VS/IS and VF/IS groups displayed similar sustained increases in CD4 T cells, although viral levels rebounded by 48 and 96 weeks posttherapy to pretherapy levels in the discordant group. The VF/IS outcome group had significant increases in height and weight z scores compared with entry and were similar to the VS/IS group. After treatment, antigen-specific responses after tetanus immunization were similar in the VF/IS and VS/IS groups. Prevalence of HIV-associated illnesses decreased in both VS/IS and VF/IS but not in VF/IF response groups. Conclusions. The findings indicate that viral replication under the selective pressure of protease inhibitors fails to exhibit the same deleterious impact on T-cell immunity as pretherapy viruses. CD4 T-cell counts may be a better predictor of disease progression and improvement in growth than viral burden in HIV-infected children who receive a protease inhibitor as part of a highly active antiretroviral therapy regimen.
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