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Response to interferon-alpha in chronic hepatitis B patients with and without precore mutant strain and effects on

Sila Cetin Akhan1, Zerrin Yulugkural, Haluk Vahaboglu

  • 1Kocaeli University Medical Faculty, Infectious Diseases and Clinical Microbiology, Umuttepe, Kocaeli, Turkey. silacetin@superonline.com

Chemotherapy
|October 16, 2007
PubMed

Insights

Hepatitis B surface antigen (HBsAg) titers can predict treatment response in chronic hepatitis B patients, particularly those who are HBeAg-negative. This finding aids in personalizing interferon-alpha therapy for better outcomes.

Area of Science:

  • Hepatology
  • Virology
  • Immunology

Background:

  • Chronic hepatitis B (CHB) impacts 400 million globally, leading to significant morbidity and mortality.
  • Hepatitis B virus (HBV) DNA is often detected post-HBsAg clearance in various bodily tissues.
  • Predicting treatment response in CHB is crucial for effective management.

Purpose of the Study:

  • To evaluate HBsAg titers, quantitative HBV DNA, and ALT levels for predicting interferon-alpha (IFN-alpha) treatment response.
  • To assess the impact of precore mutants on HBsAg titers and IFN-alpha therapy response.

Main Methods:

  • Study included 21 HBeAg-positive, 38 HBeAg-negative CHB patients, and 47 healthy carriers.
  • Patients had no prior IFN-alpha therapy and no cirrhosis on liver biopsy.
  • HBsAg titers were monitored over a 6-month interval.

Main Results:

  • A statistically significant decrease in HBsAg titers was observed in HBeAg-negative patients (p=0.0001).
  • HBsAg titer decrease was not statistically significant in HBeAg-positive patients (p=0.192) or healthy carriers (p=0.236).

Conclusions:

  • HBsAg titer is a potential predictor of primary responders and nonresponders to IFN-alpha therapy.
  • This predictive value is particularly relevant for HBeAg-negative CHB patients.
  • Further research can refine HBsAg titer monitoring for personalized CHB treatment strategies.
Abstract

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