Abstract
Chronic hepatitis B infection confers a major risk of cirrhosis and hepatocellular carcinoma worldwide. The ultimate long-term goal of chronic hepatitis B therapy is to reduce morbidity and mortality related to liver disease progression. The ideal treatment endpoint is HBsAg seroconversion. As HBsAg clearance is rarely achieved, the short-term goal of therapy is maintained suppression of hepatitis B replication. For HBeAg-positive patients, durable HBeAg seroconversion with undetectable HBVDNA is a satisfactory intermediate end-point. For HBeAg-negative patients, the treatment endpoint remains unclear, hence, sustained suppression of HBV DNA level to low or undetectable levels is the optimal treatment response. Several studies in HBeAg-negative population have proposed that discontinuation of antiviral treatment can be considered if undetectable serum HBV DNA is demonstrated on three separate occasions at least 6 months apart. Preliminary data suggests that on-treatment HBsAg quantification may play a role as a predictor of sustained response off-therapy.
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Abbreviations
- (CHB):
-
chronic hepatitis B
- (HBeAg):
-
hepatitis B e antigen
- (HCC):
-
hepatocellular carcinoma
- (ccc DNA):
-
covalently closed circular DNA
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Conflict of Interest
Weng Kai Chan declares that he has no conflict of interest.
Soek-Siam Tan declares that she has no conflict of interest.
Rosmawati Mohamed declares that she has no conflict of interest.
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Chan, W.K., Tan, SS. & Mohamed, R. Stopping Therapy in HBeAg Negative Disease. Curr Hepatitis Rep 12, 105–111 (2013). https://doi.org/10.1007/s11901-013-0167-5
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DOI: https://doi.org/10.1007/s11901-013-0167-5