Disease progression among HIV-infected children who receive perinatal zidovudine prophylaxis

David R Berk1, Meira S Falkovitz-Halpern, Barbara Sullivan

  • 1Division of Infectious Diseases, Department of Pediatrics, Stanford University School of Medicine, Stanford, CA 94305-5208, USA.

Insights

Perinatal zidovudine prophylaxis (PZP) in HIV-infected infants was linked to earlier antiretroviral therapy (ART) initiation and reduced early disease progression. ART remained effective regardless of prior PZP exposure, indicating improved outcomes for infants receiving PZP.

Area of Science:

  • Pediatric Infectious Diseases
  • HIV/AIDS Research
  • Clinical Epidemiology

Background:

  • Mixed results exist on the prognosis of HIV-infected infants exposed to perinatal zidovudine prophylaxis (PZP).
  • Understanding the long-term impact of PZP on disease progression and treatment efficacy is crucial.

Purpose of the Study:

  • To evaluate early HIV disease progression in infants who received PZP.
  • To assess the effectiveness of subsequent antiretroviral therapy (ART) in preventing early disease progression in this cohort.

Main Methods:

  • A population-based cohort of 73 perinatally HIV-infected children with at least 3 years of follow-up was analyzed.
  • Data on PZP administration and subsequent ART initiation were collected.
  • Early HIV disease progression (Category C diagnosis) and age at ART initiation were compared between groups.

Main Results:

  • Children receiving PZP initiated ART earlier (median 2 months) than those not receiving PZP (median 6 months).
  • PZP was associated with decreased progression to Category C diagnosis by age 3 (21% vs. 45%).
  • ART demonstrated similar effectiveness in preventing early HIV progression irrespective of prior PZP exposure.

Conclusions:

  • Perinatally HIV-infected children who received PZP started ART significantly earlier.
  • PZP was associated with reduced HIV disease progression by age 3.
  • ART effectiveness was comparable in children with and without prior PZP exposure.
Abstract

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