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A Competent Hepatocyte Model Examining Hepatitis B Virus Entry through Sodium Taurocholate Cotransporting Polypeptide as a Therapeutic Target
Published on: May 10, 2022
Chronic hepatitis B--who should be treated?
1Liver Unit, Division of Gastroenterology, University of Calgary, Calgary, Alberta, Canada.
Insights
Effective hepatitis B antiviral treatments suppress HBV replication and liver disease remission. This review details current options and criteria for optimal intervention in chronic hepatitis B infection.
Area of Science:
- Hepatology
- Virology
- Infectious Diseases
Background:
- Hepatitis B virus (HBV) causes acute and chronic infections, affecting 350 million globally.
- Chronic HBV infection increases risk for cirrhosis and hepatocellular carcinoma (HCC).
- Lifelong monitoring and effective antiviral treatment are crucial for managing HBV-related complications.
Purpose of the Study:
- To review current antiviral treatment options for chronic hepatitis B infection.
- To outline criteria for effective intervention with antiviral therapy.
- To provide guidance for managing HBV carriers and patients with chronic infection.
Main Methods:
- Literature review of available hepatitis B antiviral therapies.
- Analysis of treatment goals, including HBV replication suppression and disease remission.
- Examination of the natural history of hepatitis B and therapeutic decision-making.
Main Results:
- Significant advancements in chronic HBV treatment over the past decade.
- Available treatments include interferon alfa, pegylated interferon, and nucleos(t)ide analogs (lamivudine, adefovir dipivoxil, entecavir).
- Treatment efficacy depends on understanding HBV natural history and patient-specific factors.
Conclusions:
- Optimizing antiviral therapy requires a comprehensive understanding of HBV infection.
- Criteria for intervention guide the selection of appropriate treatment strategies.
- Effective management aims to prevent long-term liver disease complications and improve patient outcomes.
Abstract:
Hepatitis B virus (HBV) can cause both acute and chronic infection and is an important human pathogen, with an estimated 350 million individuals chronically infected worldwide. HBV carriers are at risk for the development of cirrhosis and hepatocellular carcinoma (HCC), and patients with chronic infection require life-long monitoring. Effective hepatitis B antiviral treatment is important given the significant associated global morbidity and mortality from liver-related complications. The goals of treatment are to achieve sustained suppression of HBV replication and remission of liver disease. In the past decade, great progress has been made in the treatment of chronic HBV infection. Interferon alfa, longer-acting pegylated interferon, and nucleos(t)ide analogs such as lamivudine, adefovir dipivoxil, and entecavir are currently available for treatment of HBV infection. Effective treatment decisions require an understanding of the natural history of hepatitis B and the range of treatment options. This review includes criteria for determining when and how to most effectively intervene with antiviral therapy for chronically infected patients.
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