Early detection of reverse transcriptase activity in plasma of neonates infected with HIV-1: A comparative analysis with RNA-based and DNA-based testing using polymerase chain reaction

Ronald B. Reisler, Donald M. Thea, Vadim Pliner, Timothy Green, Francis Lee, Stephen Nesheim, Teresa Brown, Marcia Kalish, Thomas M. Folks, Walid Heneine

    Research output: Contribution to journalArticlepeer-review

    17 Scopus citations

    Abstract

    Plasma viral load from 71 HIV-1-infected neonates was measured by using Amp-RT, an ultrasensitive quantitative reverse transcriptase (RT) assay and by nucleic acid sequence-based amplification (NASBA), an RNA-based quantitative assay. Results were then compared with those obtained from detection of proviral DNA in peripheral blood mononuclear cells (PBMCs) by polymerase chain reaction (PCR) using Turnbull analysis. At 5 days of life, 50% of neonates were positive by Amp-RT, 30% were NASBA positive, and 20% were DNA-PCR positive. Through the first 12 days of life, Amp-RT was more sensitive than either NASBA or DNA-PCR in detecting HIV-1 infection. Amp-RT values correlated well with NASBA RNA values, with an overall Pearson's r = 0.63 (95% confidence interval [CI], 0.40-0.78). In proportional hazards analysis of infants aged 14 to 61 days (N = 31), a one-log increase in RNA-based viral load was associated with a > fivefold risk of disease progression when using the U.S. Centers for Disease Control and Prevention (CDC) clinical Category C (CDC-C) or death as an endpoint (p = .014). Kaplan-Meier analysis of these data found that RNA viral loads were able to predict disease progression using CDC-C/death as an endpoint (p = .013). Early quantitative viral load measurements may assist clinicians in diagnosing HIV-1 infection, stratifying risk of disease progression, and implementing a treatment plan using highly active antiretroviral therapy for infants within the first few weeks of life.

    Original languageEnglish (US)
    Pages (from-to)93-102
    Number of pages10
    JournalJournal of Acquired Immune Deficiency Syndromes
    Volume26
    Issue number1
    StatePublished - Jan 1 2001

    Keywords

    • Amp-RT-reverse transcriptase
    • HIV-1 DNA
    • HIV-1 diagnosis
    • HIV-1 prognosis
    • Neonates
    • PACTS
    • PCR-HIV-1
    • RNA PCR
    • Sensitivity
    • Viral load

    ASJC Scopus subject areas

    • Infectious Diseases
    • Pharmacology (medical)

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