Interferon treatment for chronic hepatitis B: enhanced response in children 5 years old or younger

Gregory E Kobak1, Todd MacKenzie, Ronald J Sokol

  • 1Pediatric Liver Center and Section of Pediatric Gastroenterology, University of Colorado Health Sciences Center, Denver, CO, USA.

The Journal of Pediatrics
|September 3, 2004
PubMed

Insights

Younger children with chronic hepatitis B (HBV) show a better response to interferon treatment. This study indicates that age is a significant factor in treatment effectiveness for pediatric HBV patients.

Area of Science:

  • Hepatology
  • Pediatric Gastroenterology
  • Virology

Background:

  • Chronic hepatitis B (HBV) infection is a significant global health concern in children.
  • Effective antiviral therapies are crucial for managing pediatric chronic HBV.
  • Interferon therapy has been used, but its efficacy in different pediatric age groups requires further investigation.

Purpose of the Study:

  • To evaluate the effectiveness of interferon-alpha2b in children with chronic hepatitis B.
  • To determine if younger children (< or =5 years) exhibit an improved response to interferon therapy compared to older children.
  • To identify factors influencing treatment response in pediatric HBV patients.

Main Methods:

  • A retrospective chart review was conducted on 22 pediatric patients diagnosed with chronic hepatitis B.
  • Patients were treated with interferon-alpha2b, with ages ranging from 17 months to 17 years.
  • Treatment response was assessed based on serological markers (HBeAg, Anti-HBe, HBsAg, Anti-HBs), HBV DNA levels, and alanine aminotransferase/aspartate aminotransferase (ALT/AST) normalization.

Main Results:

  • Overall, 48% of patients responded to interferon treatment, defined by serological and biochemical normalization at 6 months post-treatment.
  • A significantly higher response rate was observed in children aged 5 years or younger (78%) compared to those older than 5 years (23%).
  • Younger age at the time of treatment initiation was strongly associated with a better treatment response (P =.005).

Conclusions:

  • Interferon therapy demonstrates potentially greater efficacy in younger children with chronic hepatitis B.
  • Age is a critical factor to consider when determining the optimal treatment strategy for pediatric HBV.
  • Further prospective studies are warranted to confirm these findings and optimize interferon treatment protocols for children.
Abstract

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