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Consolidation treatment needed for sustained HBsAg-negative response induced by interferon-alpha in HBeAg positive chronic hepatitis B patients
Minghui Li 1 , Fangfang Sun 2 , Xiaoyue Bi 2 , Yanjie Lin 3 , Liu Yang 2 , Yao Lu 2 , Lu Zhang 2 , Gang Wan 4 , Wei Yi 5 , Linqing Zhao 6 , Yao Xie 7
Affiliations
Affiliations
1
Department of Hepatology Division 2, Beijing Ditan Hospital, Capital Medical University, Beijing, 100015, China; Department of Hepatology Division 2, Peking University Ditan Teaching Hospital, Beijing, 100015, China.
2
Department of Hepatology Division 2, Beijing Ditan Hospital, Capital Medical University, Beijing, 100015, China.
3
Department of Hepatology Division 2, Peking University Ditan Teaching Hospital, Beijing, 100015, China.
4
Department of Biostatistics, Beijing Ditan Hospital, Capital Medical University, Beijing, 100015, China.
5
Department of Gynecology and Obstetrics, Beijing Ditan Hospital, Capital Medical University, Beijing, 100015, China. Electronic address: [email protected].
6
Laboratory of Virology, Beijing Key Laboratory of Etiology of Viral Diseases in Children, Capital Institute of Pediatrics, Beijing, 100020, China. Electronic address: [email protected].
7
Department of Hepatology Division 2, Beijing Ditan Hospital, Capital Medical University, Beijing, 100015, China; Department of Hepatology Division 2, Peking University Ditan Teaching Hospital, Beijing, 100015, China. Electronic address: [email protected].
PMID: 35257963 DOI: 10.1016/j.virs.2022.03.001
Abstract
Hepatitis B surface antigen (HBsAg) clearance is considered as functional cure in patients with chronic hepatitis B (CHB). This study aimed to assess the durability of HBsAg clearance achieved by interferon-based therapies in patients with CHB who were originally positive for hepatitis B envelope antigen (HBeAg). In this prospective study, HBeAg-positive CHB patients with confirmed HBsAg loss under interferon-based therapies were enrolled within 12 weeks from end of treatment and followed up for 48 weeks. Virological markers, biochemical indicators, and liver imaging examinations were observed every 3-6 months. Sustained functional cure was analyzed as primary outcome. Factor associated with sustained HBsAg loss or reversion was also investigated. The rate of HBsAg loss sustainability was 91.8% (212/231). Patients receiving consolidation treatment for 12-24 weeks or ≥ 24 weeks had higher rates of sustained HBsAg negativity than those receiving consolidation treatment for < 12 weeks (98.3% and 91.2% vs. 86.7%, P = 0.068), and the former groups had significantly higher anti-HBs levels than the later (P < 0.05). The cumulative incidence of HBsAg reversion and HBV DNA reversion was 8.2% and 3.9%, respectively. Consolidation treatment of ≥ 12 weeks [odd ratio (OR) 3.318, 95% confidence interval (CI) 1.077-10.224, P = 0.037) was a predictor of sustained functional cure, and HBeAg-positivity at cessation of treatment (OR 12.271, 95% CI 1.076-139.919, P = 0.043) was a predictor of HBsAg reversion. Interferon-alpha induced functional cure was durable and a consolidation treatment of ≥ 12-24 weeks was needed after HBsAg loss in HBeAg-positive CHB patients.
Keywords: Chronic hepatitis B (CHB); Functional cure; HBeAg positive; HBsAg loss; Interferon (IFN).
Copyright © 2022 The Authors. Publishing services by Elsevier B.V. All rights reserved. |
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