Cited by 219Hepatitis B Virus StudiesHepatitis C virus researchLiver physiology and pathology

Intrahepatic hepatitis B virus covalently closed circular DNA can be a predictor of sustained response to therapy

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Sung, Joseph J.Y., Wong, May-Ling, Bowden, Scott, Liew, Choong-Tsek, Hui, Alex Y., Wong, Vincent W.S., Leung, Nancy W.Y., Locarnini, Stephen +1 more·2005·Gastroenterology

Abstract

Background & aims This study aimed to determine whether intrahepatic hepatitis B virus (HBV) covalently closed circular (ccc) DNA and total HBV DNA levels at the end of therapy would predict sustained response to therapy.Methods Hepatitis B e antigen (HBeAg)-positive chronic hepatitis B patients receiving either lamivudine monotherapy or combination of peginterferon and lamivudine had liver biopsy at the end of 1 year therapy and were followed for 52 more weeks after cessation of therapy. Serum HBV DNA, intrahepatic HBV ccc DNA, and total HBV DNA levels were determined.Results Forty-seven patients, including 34 males and 13 females, were studied. Twenty-seven patients received combination therapy, and 20 patients received lamivudine monotherapy. Twenty-nine patients had end-of-treatment virologic response, and 15 patients had sustained response 52 weeks after therapy. At the end of treatment, log serum HBV DNA levels correlated well with log intrahepatic HBV cccDNA and log intrahepatic total HBV DNA levels. Log intrahepatic cccDNA and log intrahepatic total DNA levels were significantly lower among patients with sustained virologic response. The adjusted odds ratio for log cccDNA was 5.3 (95% CI: 1.5-18.2, P = .009) and, for log intrahepatic HBV DNA, was 4.4 (95% CI: 1.3-14.7, P = .015) to predict sustained virologic response. Using log cccDNA at -0.80 copies/genome equivalent as cutoff, the sensitivity, specificity, and positive and negative predictive values and accuracy of predicting sustained virologic response were 73%, 78%, 56%, 86%, and 77% respectively.Conclusions Intrahepatic HBV cccDNA and intrahepatic total HBV DNA levels at the end of therapy are superior to serum HBV DNA as surrogates of sustained virologic response.

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Crossref · 10.1053/j.gastro.2005.03.009

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  • HBV cccDNA exhibits staggering stability and declines slowly under antiviral therapy, representing a major barrier to viral eradication.

    “Moreover, HBV cccDNA exhibits staggering stability and declines slowly under antiviral therapy, thus representing a major barrier to viral eradication.3,4,5,6”

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  1. Chan HLY, Leung NWY, Lau TCM, Wong ML, Sung JJY. Compari- son of three different sensitive assays for hepatitis B virus (HBV) DNA in monitoring response of anti-viral therapy. J Clin Microbiol 2000;38:3205-3208.

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Authors
Sung, J. J. Y., Wong, M.-L., Bowden, S., Liew, C.-T., Hui, A. Y., Wong, V. W. S., Leung, N. W. Y., Locarnini, S., & Chan, H. L. Y.
Affiliations
  • Chinese University of Hong Kong (HK)
  • Victorian Infectious Diseases Reference Laboratory (AU)
  • Alice Ho Miu Ling Nethersole Hospital (CN)
Corresponding author
Sung, Joseph J.Y.
Venue
Gastroenterology
Publisher
Elsevier BV
Published
2005-06
Volume
128
Issue
7
Pages
1890-1897
ISSN
0016-5085 (ISSN-L)
OpenAlex
W1992475294
Cited by
218
References
32
Citations by year
2026: 1 · 2025: 4 · 2024: 1 · 2023: 3 · 2022: 8 · 2021: 4 · 2020: 7 · 2019: 7 · 2018: 3 · 2017: 10 · 2016: 12 · 2015: 12 · 2014: 16 · 2013: 14 · 2012: 12
FWCI
12.43
Type
journal article
Language
en
Open access
Locations
  • Gastroenterology (publishedVersion)
  • PubMed (publishedVersion)
Funders
Chinese University of Hong Kong
Topics
  • Health Sciences › Medicine › Epidemiology › Hepatitis B Virus Studies
  • Health Sciences › Medicine › Hepatology › Hepatitis C virus research
  • Health Sciences › Medicine › Hepatology › Liver physiology and pathology
Keywords
hepatitis B virus, covalently closed circular DNA, chronic hepatitis B, sustained virological response, lamivudine, pegylated interferon, HBeAg-positive, prognostic factors, serum HBV DNA
MeSH terms
Interferon alpha-2, Adult, Antiviral Agents, DNA, Circular, DNA, Viral, Drug Therapy, Combination, Female, Hepatitis B virus, Humans, Liver, Male, Polyethylene Glycols, Predictive Value of Tests, Recombinant Proteins, Sensitivity and Specificity, Polymerase Chain Reaction, Treatment Outcome, Interferon-alpha, Lamivudine, Hepatitis B, Chronic

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