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Antiretroviral therapy is associated with a decrease in unintegrated HIV-1 DNA in pediatric patients

R M Donovan1, C E Bush, S M Smereck

  • 1Department of Infectious Diseases, Henry Ford Hospital, Detroit, Michigan 48202.

Journal of Acquired Immune Deficiency Syndromes
|December 1, 1994
PubMed

Insights

Unintegrated HIV-1 DNA (uDNA) reliably decreases with antiretroviral therapy in children. This study suggests uDNA is a promising marker for monitoring treatment efficacy in pediatric HIV patients.

Area of Science:

  • Virology
  • Pediatric Infectious Diseases
  • Immunology

Background:

  • Effective monitoring of antiretroviral therapy (ART) in children with human immunodeficiency virus (HIV) is crucial for optimizing treatment outcomes.
  • Current biomarkers for assessing ART efficacy in pediatric populations are limited, necessitating the evaluation of novel markers.

Purpose of the Study:

  • To investigate the impact of ART on various markers of HIV-1, including unintegrated DNA (uDNA), integrated DNA (iDNA), immune complex dissociated (ICD) p24 antigenemia, and plasma viral titer.
  • To identify reliable indicators for monitoring ART efficacy in children living with HIV-1.

Main Methods:

  • Longitudinal study of seven children initiating ART, with sample collection at baseline, 3 months, and 10 months.
  • Quantification of HIV-1 uDNA, iDNA, ICD p24 antigen, and plasma viral load at each time point.
  • Statistical analysis to assess changes in measured parameters following ART initiation.

Main Results:

  • A significant decrease in the percentage of HIV-1 uDNA was observed, from an average of 43% at baseline to 18% at 3 months (p=0.01) and 1% at 10 months.
  • HIV-1 iDNA levels remained relatively constant throughout the study period.
  • ICD p24 antigen levels showed variable responses, decreasing in three patients and remaining unchanged in four.
  • Plasma viral cultures were positive in only one child pre-therapy.

Conclusions:

  • Measurement of HIV-1 uDNA is a reliable indicator that decreases following nucleoside-based antiretroviral therapy in children.
  • Unintegrated HIV-1 DNA shows potential as a valuable biomarker for monitoring ART efficacy in pediatric HIV management.

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