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Published on: September 25, 2019
[HBsAg trajectory and key watersheds towards functional cure of hepatitis B]
1Department of Infectious Diseases, Nanfang Hospital, Southern Medical University, Guangzhou510515, China.
Insights
Achieving a functional cure for chronic hepatitis B virus (HBV) infection is challenging. Novel antiviral drugs and predictive models for hepatitis B surface antigen (HBsAg) are advancing treatment strategies.
Area of Science:
- Hepatology
- Virology
- Drug Discovery
Context:
- Chronic hepatitis B virus (HBV) infection is a significant global health issue.
- Current treatments like nucleos(t)ide analogues (NAs) and pegylated interferon alfa (PEG-IFN-α) have limitations in achieving a functional cure.
- There is an unmet clinical need for effective hepatitis B functional cure strategies.
Purpose:
- To explore novel antiviral drug mechanisms for HBV functional cure.
- To develop trajectory mapping and prediction models for HBV functional cure.
- To optimize personalized management of hepatitis B patients using HBsAg levels.
Summary:
- Nucleos(t)ide analogues (NAs) suppress HBV DNA but do not achieve functional cure.
- Novel antiviral drugs, particularly small nucleic acid drugs, show promise for hepatitis B functional cure.
- Functional cure trajectory mapping and prediction models using longitudinal HBsAg data can guide treatment and clinical trial screening.
Impact:
- Advances in small nucleic acid drugs offer new hope for hepatitis B functional cure.
- Predictive models for HBsAg levels can personalize treatment and improve clinical trial design.
- Optimized patient management strategies may lead to better outcomes for chronic hepatitis B.
Abstract:
Chronic hepatitis B virus (HBV) infection remains a pivotal global public health concern. Attaining a functional cure for hepatitis B continues to be a hot and difficult issue that requires immediate attention in clinical practice. There are currently nucleos(t)ide analogues (NAs) that can persistently suppress HBV DNA; however, the functional cure rate of pegylated interferon alfa (PEG-IFN-α) alone or in combination with NAs has not yet met clinical needs. The research and development on novel mechanisms for HBV antiviral drugs, especially small nucleic acid drugs, has brought breakthroughs to the functional cure of hepatitis B. The functional cure trajectory mapping and its prediction model can guide the selection of clinical treatment strategies based on the longitudinal data for HBsAg at various time intervals. The personalized management of hepatitis B patients can be optimized by utilizing varying HBsAg levels as a key watershed to aid in the screening of subjects in clinical trials.
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