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Interferon alfa therapy for chronic hepatitis B in children: a multinational randomized controlled trial
E M Sokal1, H S Conjeevaram, E A Roberts
1Cliniques St. Luc, Pediatric Hepatology, Université Catholique de Louvain, Brussels, Belgium. sokal@pedilucl.ac.be
Interferon alfa (IFN-alpha) treatment in children with chronic hepatitis B effectively reduced viral replication markers and improved liver health. This study demonstrates IFN-alpha
Area of Science:
- Pediatric Gastroenterology
- Hepatology
- Virology
Background:
- Chronic hepatitis B is a significant pediatric health concern.
- Interferon alfa (IFN-alpha) is not FDA-approved for pediatric hepatitis B treatment.
- Elevated transaminase levels indicate active liver inflammation in pediatric hepatitis B.
Purpose of the Study:
- To assess the safety and efficacy of IFN-alpha in children with chronic hepatitis B.
- To evaluate viral marker clearance and clinical outcomes in treated children.
Main Methods:
- A randomized controlled trial comparing IFN-alpha2b treatment with no treatment in children.
- Dosage: 6 megaunits/m2 thrice weekly for 24 weeks.
- Evaluation of viral replication markers (HBeAg, HBV DNA) and surface antigen clearance at 24 weeks post-therapy and 48 weeks observation.
Main Results:
- Hepatitis B e antigen and viral DNA clearance observed in 26% of treated children vs. 11% of controls (P < 0.05).
- Hepatitis B surface antigen undetectable in 10% of treated patients vs. 1% of controls.
- Improved aminotransferase levels and liver histology in responders; mild to moderate adverse reactions reported.
Conclusions:
- IFN-alpha therapy is effective in promoting loss of viral replication markers and surface antigen in children with chronic hepatitis B.
- IFN-alpha treatment leads to improved aminotransferase levels and liver histology.
- Female gender and IFN-alpha treatment are significant predictors of treatment response.
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