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Volume 37 Issue 3
Mar.  2021
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Article Navigation >  Journal of Clinical Hepatology  > 2021  >  37(3): 556-559

Influencing factors for low-level viremia in chronic hepatitis B patients treated with long-term entecavir antiviral therapy

DOI: 10.3969/j.issn.1001-5256.2021.03.011

  • Department of Infectious Diseases, The Affiliated Hospital of Xuzhou Medical University, Xuzhou, Jiangsu 221002, China

  • Received Date: 2020-09-12
  • Accepted Date: 2020-10-06
  • Published Date: 2021-03-20
    Abstract
  •   Objective  To investigate the influencing factors for persistent low-level viremia (LLV) in chronic hepatitis B(CHB) patients receiving long-term entecavir antiviral therapy.  Methods  The CHB patients who received entecavir antiviral therapy for at least one year in The Affiliated Hospital of Xuzhou Medical University from November 2018 to June 2020 were enrolled as subjects, and according to HBV DNA load at the end of the observation period, the patients were divided into LLV group and sustained virological response (SVR) group. Demographic features and laboratory markers were observed for all patients. The independent samples t-test or the Mann-Whitney U test was used for comparison of continuous data between two groups, and the chi-square test was used for comparison of categorical data between two groups. A multivariate logistic regression analysis was used to investigate the influencing factors for LLV in patients receiving long-term entecavir treatment.  Results  A total of 560 CHB patients were enrolled, with 204 in the LLV group and 356 in the SVR group. There were significant differences between the two groups in age (Z=-3.530, P < 0.001), sex (χ2=4.270, P=0.039), presence or absence of liver cirrhosis (χ2=53.879, P < 0.001), medication compliance (χ2=5.326, P=0.021), HBeAg positive rate (χ2=90.681, P < 0.001), baseline HBV DNA load before treatment (Z=-8.337, P < 0.001), baseline HBsAg quantification (Z=-10.472, P < 0.001), and medication type (χ2=7.558, P=0.006). The multivariate logistic regression analysis showed that baseline HBeAg status before treatment (odds ratio [OR]=3.381, 95% confidence interval [CI]: 1.985-5.756, P < 0.001), HBV DNA load before treatment (OR=1.223, 95%CI: 1.050-1.424, P=0.010), and HBsAg quantification before treatment (OR=2.448, 95%CI: 1.743-3.438, P < 0.001) were risk factors for LLV in long-term entecavir antiviral therapy.  Conclusion  In clinical practice, CHB patients with high HBV DNA load, high HBsAg quantification, and positive HBeAg tend to have a high risk of LLV even after long-term entecavir antiviral therapy. Therefore, such population should be taken seriously with the dynamic monitoring of HBsAg quantification, HBV DNA load, and HBeAg status.

     

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