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Abstract Details
Nucleos(t)ide analogs continuation is not associated with a lower risk of HBsAg seroreversion following PEG-IFN-induced HBsAg loss.
Gao, Na (N);Wu, Haishi (H);Li, Bin (B);Yu, Huiying (H);Wu, Lili (L);Zhang, Jing (J);Zhang, Nan (N);Lin, Bingliang (B);Zhao, Qiyi (Q);Gao, Zhiliang (Z);
BACKGROUND/AIMS: It is unclear whether nucleos(t)ide analogs (NUCs) continuation provides clinical benefits following HBsAg seroclearance with pegylated interferon (PEG-IFN)-based therapy. This study aims to investigate the role of NUCs continuation in HBsAg seroreversion.
METHODS: Patients who experienced serum HBsAg loss after PEG-IFN-based therapy were enrolled and followed up for 96 weeks. Propensity score matching (PSM) was performed using a 1:1 ratio to adjust for the associated factors. A multivariate logistic regression analysis was used to determine the factors associated with HBsAg seroreversion.
RESULTS: In total, 220 patients with HBsAg seroclearance were divided into NUCs (n = 54) and non-NUCs (n = 166) consolidation therapy groups. At week 96, the HBsAg seroreversion (12/54 vs. 31/166, P = 0.709) and virological relapse (2/54 vs. 10/166, P = 0.759) rates were similar in the NUCs and non-NUCs groups. After PSM, HBsAg seroreversion (12/53 vs. 13/53; P = 1.000) and virological relapse (2/53 vs. 4/53; P = 0.674) rates were not significantly different between the two groups. Serum hepatitis B surface antibody titer (odds ratio, 0.388; 95% confidence interval, 0.245-0.616; P < 0.001) was found to be associated with HBsAg seroreversion, while NUCs continuation was not related to HBsAg seroreversion.
CONCLUSIONS: NUCs continuation is not associated with a lower risk of HBsAg seroreversion in patients with serum HBsAg loss following PEG-IFN-based therapy.
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