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Efficacy and Toxicity of Antiretroviral Therapy Using 4 or More Agents
Application of a Strategy for Antiretroviral Management in Human Immunodeficiency VirusInfected Children
Ann J. Melvin, MD, MPH;
Paul F. Lewis, MD;
Kathleen M. Mohan, RN, MS;
W. Scott Naugler, MD;
Lisa M. Frenkel, MD
Arch Pediatr Adolesc Med. 2002;156:568-573.
Objective To characterize the long-term tolerance and virologic efficacy of combination
antiretroviral therapy consisting of 4 or more agents in a clinical setting.
Methods An observational review of 36 children infected with human immunodeficiency
virus 1 (HIV-1) treated with 4 or 5 antiretroviral agents in 2 university
hospital clinics between April 1, 1996, and October 31, 2000. Highly active
antiretroviral therapy regimens were chosen with regard to the child's past
antiretroviral exposure or results of genotypic resistance data. Plasma HIV-1
RNA levels were monitored weekly to monthly after initiation of highly active
antiretroviral therapy, and adherence efforts were actively supported and
monitored.
Main Outcome Measure Number of children with undetectable plasma HIV-1 RNA levels at longest
follow-up.
Results Four- or 5-drug highly active antiretroviral therapy reduced plasma
HIV-1 RNA levels to less than 50 copies/mL in 32 (89%) of 36 children. After
a median of 28.7 months of observation, 28 children (78%) remained at this
level of suppression. Adverse reactions were limited to mild neutropenia and
mild transient or persistent elevations in alanine aminotransferase levels
in 11% of children.
Conclusions Treatment with 4 or 5 antiretroviral agents was well tolerated in HIV-1infected
children and resulted in a high degree of viral suppression, even in children
with previous antiretroviral drug experience.
From the Departments of Pediatrics (Drs Melvin and Frenkel and Ms Mohan)
and Laboratory Medicine (Ms Mohan and Drs Naugler and Frenkel), University
of Washington, Seattle; and the Department of Pediatrics, Oregon Health Sciences
University, Portland (Dr Lewis).
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