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[Management of hepatitis B].

A de Gottardi1, F Negro

  • 1Departement für Klinische Pathologie, Universitätsspital HUG, Genf.

Therapeutische Umschau. Revue Therapeutique
|October 2, 2004
PubMed
Summary

Chronic hepatitis B treatment focuses on accelerating HBeAg seroconversion and suppressing HBV replication, as complete viral eradication is rare. Current therapies aim to reduce liver damage and slow fibrosis progression.

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Area of Science:

  • Hepatology
  • Virology
  • Immunology

Background:

  • Chronic hepatitis B (HBV) infection presents challenges due to spontaneous remission in some patients and limited efficacy of current treatments in achieving viral eradication.
  • Therapeutic interventions for HBV rarely lead to a permanent disappearance of Hepatitis B surface antigen (HBsAg) with the development of anti-HBs antibodies.

Purpose of the Study:

  • To discuss the current therapeutic options for chronic hepatitis B, evaluating their advantages and disadvantages.
  • To define reasonable surrogate endpoints for HBV treatment, focusing on accelerating HBeAg seroconversion and suppressing viral replication.

Main Methods:

  • Review of existing literature on chronic hepatitis B treatments.
  • Analysis of the efficacy and limitations of interferon-alpha and lamivudine.
  • Anticipation of the market introduction of adefovir dipivoxil.

Main Results:

  • Spontaneous remission occurs in a subset of patients, often linked to HBeAg to anti-HBe seroconversion.
  • Current antiviral drugs have limited success in eradicating HBV (HBsAg disappearance).
  • Suppression of HBV replication below 500,000 copies/ml is a key surrogate endpoint, correlating with reduced liver inflammation and slower fibrosis progression.

Conclusions:

  • Effective chronic hepatitis B management involves accelerating HBeAg seroconversion and achieving stable suppression of HBV replication.
  • Interferon-alpha and lamivudine are available treatments, with adefovir dipivoxil emerging.
  • Treatment goals focus on managing liver disease progression rather than complete viral eradication.

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