Emerging therapeutics for chronic hepatitis B

Mark E Mailliard1, John L Gollan

  • 1Department of Internal Medicine, University of Nebraska College of Medicine, Omaha, Nebraska 68198, USA. mmaillia@unmc.edu

Annual Review of Medicine
|January 18, 2006
PubMed

Insights

Chronic hepatitis B (CHB) management involves antiviral therapies to suppress hepatitis B virus (HBV) replication. Treatment selection balances efficacy, durability, and potential adverse effects of medications like interferon and nucleoside analogs.

Area of Science:

  • Hepatology
  • Virology
  • Immunology

Background:

  • Chronic hepatitis B (CHB) is a significant global health concern.
  • Patients with CHB face a high risk of developing liver cirrhosis.
  • Effective management strategies are crucial for preventing disease progression.

Purpose of the Study:

  • To review current therapeutic advances for chronic hepatitis B.
  • To discuss the selection criteria for antiviral therapy in CHB patients.
  • To evaluate the efficacy, durability, and limitations of available treatment options.

Main Methods:

  • Review of current literature on CHB antiviral therapies.
  • Analysis of treatment outcomes for pegylated interferon alpha and nucleoside/nucleotide analogs (lamivudine, adefovir, entecavir).
  • Discussion of patient selection based on viral replication, liver enzymes, and histology.

Main Results:

  • Pegylated interferon alpha offers immunomodulatory and antiviral benefits with potential durability but has side effects and high cost.
  • Nucleoside/nucleotide analogs effectively suppress HBV replication with good tolerability, but often require long-term or lifelong treatment.
  • Viral resistance is a frequent issue with lamivudine; newer analogs show less resistance.
  • Combination therapy approaches show promise but require further validation.

Conclusions:

  • Antiviral therapy can achieve long-term suppression of HBV replication and occasional durable remission.
  • Treatment choice depends on balancing drug efficacy, side effect profiles, cost, and potential for viral resistance.
  • Further research is needed to optimize combination therapies for CHB management.

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