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The effect of early treatment in children with chronic hepatitis
Corina Hartman1, Drora Berkowitz, Nurit Rimon
1Division of Pediatric Gastroenterology and Nutrition, Meyer Children's Hospital of Haifa, Haifa, Israel.
Insights
Early antiviral treatment for pediatric chronic hepatitis C (CHC) shows similar response rates for interferon alpha (IFN) monotherapy and IFN plus ribavirin (IFN+RIB) combination therapy. Shorter infection duration before treatment is key for sustained response in children.
Area of Science:
- Pediatric Gastroenterology
- Hepatology
- Virology
Background:
- Chronic hepatitis C (CHC) in children often arises from treatment for pediatric malignancies.
- Limited data exists on optimal antiviral therapy for CHC in pediatric populations.
Purpose of the Study:
- To compare the efficacy of interferon alpha (IFN) monotherapy versus IFN plus ribavirin (IFN+RIB) combination therapy for CHC in children.
- To identify factors associated with sustained virologic response in pediatric CHC patients.
Main Methods:
- Retrospective chart review of 20 pediatric CHC patients treated between 1995 and 2001.
- Group 1: Seven patients received IFN monotherapy (1995-1998).
- Group 2: Thirteen patients received IFN+RIB combination therapy (after 1998).
Main Results:
- Sustained complete response rates were 43% for IFN monotherapy and 54% for IFN+RIB, with no statistically significant difference.
- No significant differences in demographic or clinical characteristics between treatment groups.
- Shorter duration of hepatitis C virus infection before treatment initiation was significantly associated with sustained response (P=0.001).
Conclusions:
- Early initiation of antiviral therapy in children with CHC is associated with sustained response, regardless of treatment regimen.
- Regular screening and follow-up of at-risk children can facilitate early diagnosis of CHC.
- Prompt antiviral treatment may enhance sustained response rates in pediatric CHC.
Background:
The aim of this study was to compare the efficacy of interferon alpha (IFN) or IFN and ribavirin (IFN+RIB) combination therapy in children with chronic hepatitis C (CHC). Most children were infected during treatment for pediatric malignancies.
Patients And Methods:
We reviewed the charts of 20 patients (11 boys and 9 girls) aged 10.6 +/- 3.7 years with CHC who were treated between 1995 and 2001. Seven patients diagnosed with CHC before 1998 were treated with 3 million units of IFN three times weekly for 6 to 12 months. Thirteen children diagnosed after 1998 were treated with 3 million units of IFN three times weekly plus 15 mg/kg of ribavirin daily for 6 months (IFN+RIB).
Results:
Demographic and clinical characteristics were not different between the two treatment groups. A sustained complete response defined as serum alanine aminotransferase normalization and hepatitis C virus RNA clearance at 6 and 12 months after termination of treatment occurred in three of seven children (43%) treated with IFN monotherapy compared with 7 of 12 children (54%) in the group treated with IFN+RIB combination therapy (not significant). The only difference between responders and nonresponders was the duration of infection before the initiation of therapy, which was significantly shorter in responders (1 +/- 0.3 vs. 5.6 +/- 2.2; P = 0.001).
Conclusions:
In this small cohort of children with CHC, early initiation of antiviral treatment was associated with a sustained response rate independent of treatment type. Regular follow-up of children at risk of acquiring hepatitis C virus infection should assist in the early diagnosis. Early initiation of antiviral treatment may improve the rate of sustained response.
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