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Stem Cell-Derived Viral Ag-Specific T Lymphocytes Suppress HBV Replication in Mice
Published on: September 25, 2019
From HCV To HBV Cure
Raymond F Schinazi1, Tarik Asselah2
1Frances Winship Walters Professor of Pediatrics, Center for AIDS Research, Emory University School of Medicine, Atlanta, GA, USA.
Insights
Direct-acting antivirals offer a cure for Hepatitis C virus (HCV) infection within weeks. This breakthrough inspires efforts to achieve a similar cure for Hepatitis B virus (HBV), aiming for global elimination of viral hepatitis.
Area of Science:
- Hepatology
- Virology
- Oncology
Background:
- Chronic viral hepatitis, primarily Hepatitis C virus (HCV) and Hepatitis B virus (HBV), affects millions globally.
- Hepatocellular carcinoma (HCC) is a major complication, particularly in Africa, the Middle East, and Asia.
- Viral hepatitis causes over one million deaths annually worldwide.
Purpose of the Study:
- To review the key advancements in achieving a cure for HCV.
- To discuss strategies for the global elimination of HCV.
- To explore how the HCV treatment revolution can inform HBV research for a functional or sterilizing cure.
Main Methods:
- Literature review of HCV direct-acting antiviral (DAA) development.
- Analysis of current HBV research and development programs.
- Comparative study of HCV cure strategies and their applicability to HBV.
Main Results:
- Direct-acting antivirals have revolutionized HCV treatment, achieving high cure rates in 6-12 weeks.
- HCV cure offers a theoretical pathway to global HCV elimination.
- Significant progress in understanding viral hepatitis pathogenesis and treatment.
Conclusions:
- The success of HCV treatment provides a strong model for HBV cure development.
- Achieving a functional or sterilizing cure for HBV is a critical next step.
- Global collaboration and research are essential for viral hepatitis elimination.
Abstract:
Approximately 170 million people are chronically infected with HCV and 350 million are chronically infected with HBV worldwide. It is estimated that more than one million patients die from complications related to chronic viral hepatitis, mainly HCC which is one of the most frequent cancers in many countries, especially Africa, the Middle East and Asia. HCV drug development has been impressive, and this revolution led to several direct-acting antiviral agents achieving an HCV cure after only 6-12 weeks. This progress could theorically lead to HCV global elimination making HCV and its consequences a rarity. HBV research and development programs can learn from the HCV experience, to achieve an HBV functional or sterilizing cure. This review will summarize key steps which have been realized for an HCV cure, and discuss the next steps to achieve for an HCV elimination. And also, how this HCV revolution has inspired scientists and clinicians to achieve the same for HBV.
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