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Predictors of hepatitis B e antigen-negative hepatitis in chronic hepatitis B virus infected patients from childhood to adulthood
Jia-Feng Wu1, Yu-Chun Chiu1,2, Kai-Chi Chang1,3, Huey-Ling Chen1,4, Yen-Hsuan Ni1,5, Hong-Yuan Hsu1 andMei-Hwei Chang1,4,*
DOI: 10.1002/hep.28222
© 2015 by the American Association for the Study of Liver Diseases
Issue
Cover image for Vol. 62 Issue 4
Hepatology
Accepted Article (Accepted, unedited articles published online and citable. The final edited and typeset version of record will appear in future.)
Article has an altmetric score of 2
1 Departments of Pediatrics, National Taiwan University Children's Hospital, Taipei, Taiwan
2 Departments of Medical Education, National Taiwan University Children's Hospital, Taipei, Taiwan
3 Departments of Emergency, National Taiwan University Children's Hospital, Taipei, Taiwan
4 Departments of Hepatitis Research Center, National Taiwan University Children's Hospital, Taipei, Taiwan
5 Departments of Genetics, National Taiwan University Children's Hospital, Taipei, Taiwan
*Address correspondence to: Mei-Hwei Chang, MD., Department of Pediatrics, National Taiwan University Hospital; No. 8, Chung-Shan S. Rd., Taipei, Taiwan. TEL: (886-2)-23123456, ext. 71723, FAX: (886-2)-23938871; E-mail: [email protected]
Keywords:
Gender;HBeAg-negative hepatitis;HBeAg-seroconversion;HBV genotype;Gender;HBeAg-negative hepatitis;HBeAg-seroconversion;HBV genotype
Abstract
Hepatitis B e antigen (HBeAg)-negative hepatitis is a clinical indicator of poor outcome for chronic hepatitis B virus (HBV) infection. This long-term prospective cohort study aimed to elucidate the predictors of developing HBeAg-negative hepatitis in chronic HBV-infected subjects followed from childhood to adulthood. We followed 434 HBeAg-positive chronic HBV-infected patients from a median age of 7.22 years (interquartile range [IQR]: 4.31-10.21 years). Spontaneous HBeAg-seroconversion occurred in 359 subjects at a median age of 13.93 years (IQR: 8.76-20.59 years), and 75 subjects developed HBeAg-seroconversion after antiviral therapy. These patients were followed for a median of 14.40 years (IRQ: 6.14-22.02 years) after HBeAg-seroconversion. Clinical data were analyzed to delineate the predictors of developing HBeAg-negative hepatitis. The HBV basal core promoter, and precore/core gene sequences were also evaluated in subjects with and without HBeAg-negative hepatitis. The overall annual incidence of HBeAg-negative hepatitis was 0.37% (95% confidence internal: 0.35, 0.39) in spontaneous HBeAg-seroconverters. The overall annual incidence of HBeAg-negative hepatitis increased to 2.64% in lamivudine-treated subjects but did not increase in those treated with interferon-alpha (0.58%). Male gender (hazard ratio [HR]: 3.15), HBV genotype C (HR: 4.40), HBeAg-seroconversion after 18 years of age (HR: 2.46) and lamivudine therapy prior to HBeAg seroconversion (HR: 1.42) were predictors of HBeAg-negative hepatitis in HBeAg seroconverters (p < 0.05). HBeAg-negative hepatitis subjects carried more A1762T/G1764A, C2063A, and A2131C HBV gene mutations than those without HBeAg-negative hepatitis.
Conclusions: HBeAg-seroconversion during childhood predicts a lower risk of HBeAg-negative hepatitis in later life. Interferon-alpha therapy may be an effective antiviral therapy beneficial in chronic HBV-infected children with severe inflammation that facilitates HBeAg-seroconversion in earlier life. This article is protected by copyright. All rights reserved.
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