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J Acquir Immune Defic Syndr. 2014 Apr 15;65(5):535-41. doi: 10.1097/QAI.0000000000000071.

Virologic and immunologic outcomes of HIV-infected Ugandan children randomized to lopinavir/ritonavir or nonnucleoside reverse transcriptase inhibitor therapy.

Author information

1
*Department of Pediatrics, University of California, San Francisco, CA; †Infectious Diseases Research Collaboration, Kampala, Uganda; ‡Department of Medicine, University of California, San Francisco, San Francisco, CA; and Departments of §Medicine; ‖Pediatrics and Child Health, Makerere University College of Health Sciences, Kampala, Uganda.

Abstract

BACKGROUND:

In the Prevention of Malaria and HIV disease in Tororo pediatrics trial, HIV-infected Ugandan children randomized to receive lopinavir/ritonavir (LPV/r)-based antiretroviral therapy (ART) experienced a lower incidence of malaria compared with children receiving nonnucleoside reverse transcriptase inhibitor (NNRTI)-based ART. Here we present the results of the noninferiority analysis of virologic efficacy and comparison of immunologic outcomes.

METHODS:

ART-naive or -experienced (HIV RNA <400 copies/mL) children aged 2 months to 6 years received either LPV/r or NNRTI-based ART. The proportion of children with virologic suppression (HIV RNA <400 copies/mL) at 48 weeks was compared using a prespecified noninferiority margin of -11% in per-protocol analysis. Time to virologic failure by 96 weeks, change in CD4 counts and percentages, and incidence of adverse event rates were also compared.

RESULTS:

Of 185 children enrolled, 91 initiated LPV/r and 92 initiated NNRTI-based ART. At baseline, the median age was 3.1 years (range, 0.4-5.9), and 131 (71%) children were ART-naive. The proportion of children with virologic suppression at 48 weeks was 80% (67/84) in the LPV/r arm vs. 76% (59/78) in the NNRTI arm, a difference of 4% (95% confidence interval: -9% to +17%). Time to virologic failure, CD4 changes, and the incidence of Division of AIDS grade III/IV adverse events were similar between arms.

CONCLUSIONS:

LPV/r-based ART was not associated with worse virologic efficacy, immunologic efficacy, or adverse event rates compared with NNRTI-based ART. Considering these results and the reduction in malaria incidence associated with LPV/r previously reported for this trial, wider use of LPV/r to treat HIV-infected African children in similar malaria-endemic settings could be considered.

TRIAL REGISTRATION:

ClinicalTrials.gov NCT00978068.

PMID:
24326597
PMCID:
PMC3999287
DOI:
10.1097/QAI.0000000000000071
[Indexed for MEDLINE]
Free PMC Article

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