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Incidence and Predictors of HBsAg Loss After Peginterferon Therapy in HBeAg-Negative Chronic Hepatitis B: A Multicenter, Long-term Follow-up Study
I-Cheng Lee Sien-Sing Yang Chieh-Ju Lee Chien-Wei Su Yuan-Jen Wang Keng-Hsin Lan Han-Chieh Lin Ming-Chih Hou Cheng-Yuan Peng Yi-Hsiang Huang
The Journal of Infectious Diseases, Volume 218, Issue 7, 24 August 2018, Pages 1075–1084, https://doi.org/10.1093/infdis/jiy272
Published:
07 May 2018
Abstract
Background
The long-term incidence and factors associated with hepatitis B surface antigen (HBsAg) loss in hepatitis B e antigen (HBeAg)-negative chronic hepatitis B (CHB) patients receiving peginterferon is rarely reported.
Methods
From 2004 to 2016, 233 HBeAg-negative CHB patients who completed 48 weeks of peginterferon treatment from 3 medical centers in Taiwan were retrospectively enrolled.
Results
During a median follow-up of 7.4 years, 27 cases achieved HBsAg loss. The cumulative incidences of HBsAg loss and HBsAg seroconversion at 3, 5, 10 years after peginterferon treatment were 4.7%, 9.4%, 14.2%, and 3.5%, 6.4%, 12.5%, respectively, in overall patients, and 15.9%, 29.1%, 37.3%, and 13.1%, 19%, 30.6%, respectively, in patients achieving sustained off-treatment virological response (SVR). By multivariate analysis, age (<35 years; hazard ratio [HR] = 3.742, P = .007), baseline HBsAg levels (<1250 IU/mL; HR = 4.849, P = .002), HBsAg decline at week 24 (≥1 log; HR = 5.660, P = .002), and achieving SVR (HR = 8.546, P = .006) were predictors of HBsAg loss. After achieving SVR, HBsAg loss rates were higher than 30% in 5 years among patients with either younger age or lower HBsAg at baseline.
Conclusions
HBsAg loss rate continues to increase after peginterferon treatment in HBeAg-negative CHB patients with SVR. Age, baseline HBsAg levels, on-treatment HBsAg decline, and achieving SVR are factors associated with long-term HBsAg loss.
chronic hepatitis B, hepatitis B virus, peginterferon, HBsAg loss
Topic:
follow-up hepatitis b e antigens hepatitis b surface antigens hepatitis b, chronic peginterferon
Issue Section:
Viruses |
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