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Lamivudine Therapy for Korean Children with Chronic Hepatitis B

Authors
 Hong Koh  ;  Seoung Yon Baek  ;  Ki Sup Chung 
Citation
 YONSEI MEDICAL JOURNAL, Vol.48(6) : 927-933, 2007 
Journal Title
 YONSEI MEDICAL JOURNAL 
ISSN
 0513-5796 
Issue Date
2007
Abstract
PURPOSE: Lamivudine is known to be very effective in suppressing hepatitis B virus replication and virus induced necroinflammation. The aim of this study was to evaluate lamivudine therapy efficacy, predictive factors, breakthrough, prevalence of YMDD mutation, and relapse rate in Korean children with chronic hepatitis B. MATERIALS AND METHODS: Between August 1999 and February 2005, 60 children on lamivudine therapy for chronic hepatitis B were enrolled. Treatment response was defined as alanine aminotransferase (ALT) normalization, and HBeAg and HBV-DNA disappearance. RESULTS: Seroconversion rates of HBeAg and HBV- DNA were 42% and 53%, respectively, and ALT normalization rate was 88%. Seroconversion rates of HBeAg (60.0%) and anti-HBe (60.0%) were higher in patients younger than 6 years. Seroconversion rate of HBV-DNA (68.4%) and normalization rate of serum ALT (94.7%) were highest in patients between 6 and 12 years. Seroconversion rates of all HBV markers were lowest in patients older than 12 years. Predicted 3 year cumulative seroconversion rates, were 70%, 68% for HBeAg, HBV-DNA, respectively. These were calculated by Kaplan-Meier method. Cox proportional hazard regression model showed that pre-treatment ALT was a positive predictive factor for seroconversion of HBeAg and HBV-DNA. Breakthrough phenomenon was noted in 6 patients, and 3 had a YMDD mutation. CONCLUSION: Lamivudine therapy had a significant effect on HBeAg seroconversion and HBV-DNA disappearance, and ALT normalization for Korean children with chronic hepatitis B.
Files in This Item:
T200701611.pdf Download
DOI
10.3349/ymj.2007.48.6.927
Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Pediatrics (소아청소년과학교실) > 1. Journal Papers
Yonsei Authors
Koh, Hong(고홍) ORCID logo https://orcid.org/0000-0002-3660-7483
Baek, Seoung Yon(백승연)
Chung, Ki Sup(정기섭)
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/97567
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