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Published on: November 7, 2018
[Natural history of HBeAg negative chronic hepatitis B virus infection: a cohort study]
Chang Mo Moon1, Do Young Kim, Ki Jun Song
1Department of Internal Medicine, Institute of Gastroenterology, Yonsei University College of Medicine, Seoul, Korea.
Insights
HBeAg negative chronic hepatitis B (CH) shows dynamic changes over time, with a significant transition from inactive or viremic carrier states to CH. This highlights the progressive nature of HBeAg negative HBV infection.
Area of Science:
- Hepatology
- Virology
- Immunology
Context:
- Hepatitis B virus (HBV) infection is a global health concern, particularly in Asia.
- Long-term outcomes for HBeAg negative HBV infection remain incompletely understood.
- Understanding disease progression is crucial for patient management.
Purpose:
- To investigate the long-term virologic and biochemical changes in patients with HBeAg negative HBV infection.
- To characterize the dynamic patterns of disease progression in this cohort.
- To stratify patients into inactive carrier (IC), viremic carrier (VC), and chronic hepatitis (CH) groups.
Summary:
- A 3-year retrospective cohort study followed 157 HBeAg negative HBV patients.
- Patients were monitored for liver function and serologic markers.
- The study observed significant transitions from IC/VC to CH, with VC appearing as an intermediate state.
Impact:
- This study elucidates the dynamic nature of HBeAg negative chronic hepatitis B.
- Findings emphasize the importance of monitoring for disease progression.
- Results contribute to a better understanding of HBV natural history in Asia.
Background/Aims:
The long-term virologic and biochemical changes in patients with HBeAg negative HBV infection, especially in Asia, remain unclear. To address this issue, we conducted a 3 year- retrospective, cohort study.
Methods:
A total of 157 patients with HBeAg negative HBV infection who were monitored without treatment were reviewed between January 1999 and March 2004. Those patients were followed up every 3 months with liver function tests and serologic tests. All patients were stratified into 3 groups; inactive carrier (IC), viremic carrier (VC) and chronic hepatitis (CH). Serum HBV DNA was measured by a hybridization assay (sensitivity: 1.4 x 10(5)) genomes/mL, Digene Diagnostics, Silver Spring, USA).
Results:
The median age of enrolled patients was 42.7 years (M:F=2.3:1). By single time-point observations, the 3 year-cohort prevalence of HBeAg negative CH varied from 12.7 to 35.8% (median 20.7%) HBeAg negative CH was accumulated over time (P=0.002) and transition rates among three groups after 3 years of follow-up are as follows: IC to CH, 6.0%; IC to VC, 4.1%; VC to CH, 23.2%. VC seems to be a disease state in the middle of transition from IC to CH.
Conclusions:
We demonstrated the dynamic changing patterns of HBeAg negative CH with time, of which the change from IC or VC to CH was dominant.
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