Clinical characteristics of chronic hepatitis B cured by peginterferon in combination with nucleotide analogs

The purpose of this study was to analyze the clinical characteristics of chronic hepatitis B (CHB) cured by antiviral therapy..

..The combined treatment time for all participants was 124.7 ± 58.8 weeks, and the average Peg-IFN treatment time was 102.6 ± 56.1 weeks. At 24 weeks, Hepatitis B surface antigen (HBsAg) and Hepatitis B e antigen (HBeAg) had decreased more than 50% from baseline. Multivariate logistic regression analysis of the week 96 HBsAg-clearing group and the non-HBsAg-clearing group showed a statistically significant difference in baseline HBV DNA levels and week 48 HBsAg levels.

Those which baseline HBV DNA was < 2.75 log10 IU/mL, and week 48 HBsAg levels were < 0.88 log10 IU/mL were more likely to achieve rapid HBsAg clearance at 96 weeks. This suggests that low levels of baseline HBV DNA and week 48 HBsAg are a predictor of rapid HBsAg clearance at 96 weeks.

Conclusions
Individualized extension of combination therapy to more than 96 weeks depending on the patient’s response and adverse reaction conditions can help achieve a clinical cure. Patients with low baseline HBV DNA and low HBsAg levels at 48 weeks achieve HBsAg clearance more quickly than other populations.

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