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Anti-HBc IgG Levels: A Predictor of HBsAg Seroclearance in Chronic Hepatitis B Patients with Nucleos(t)ide Analogue-Induced HBeAg Seroclearance

Authors
 Saein Kim  ;  Sunghwan Yoo  ;  Jung Il Lee  ;  Sora Kim  ;  Hye Young Chang  ;  Dokyun Kim  ;  Seok Hoon Jeong  ;  Kwan Sik Lee  ;  Hyun Woong Lee 
Citation
 DIGESTIVE DISEASES AND SCIENCES, Vol.67(1) : 321-328, 2022-01 
Journal Title
DIGESTIVE DISEASES AND SCIENCES
ISSN
 0163-2116 
Issue Date
2022-01
MeSH
Antiviral Agents / therapeutic use ; Female ; Hepatitis B Antibodies / blood* ; Hepatitis B Core Antigens / immunology* ; Hepatitis B e Antigens / immunology* ; Hepatitis B, Chronic* / drug therapy ; Hepatitis B, Chronic* / immunology ; Humans ; Immunoglobulin G / blood* ; Liver Function Tests / methods ; Male ; Middle Aged ; Nucleosides / therapeutic use* ; Prognosis ; Retrospective Studies ; Seroconversion / drug effects ; Serologic Tests / methods ; Treatment Outcome
Keywords
Hepatitis B core antigen ; Hepatitis B e antigen ; Hepatitis B surface antigen ; Hepatitis B virus
Abstract
Background/aims: We investigated the efficiency of the indirect ratio of anti-HBc IgG at predicting HBsAg seroclearance in patients with nucleos(t)ide analogue (NA)-induced HBeAg seroclearance.

Methods: We performed a retrospective study that included 366 chronic hepatitis B patients (March 2007 to December 2016) at a single tertiary hospital. These patients were HBsAg seropositive, and experienced NA-induced HBeAg seroclearance. The indirect ratio of light absorbance of anti-HBc IgG levels were measured with chemiluminescent microparticle immunoassay using the Architect Anti-HBc assay (Abbott Laboratories, IL, USA) as a qualitative method prior to antiviral therapy. We calculated the cumulative incidences of HBsAg seroclearance based on the anti-HBc IgG levels.

Results: After a 10-year follow-up, 48 patients experienced HBsAg seroclearance (13.1%). Thirty-three of 179 patients who had an indirect ratio of light absorbance of anti-HBc IgG < 11 RLU (relative light unit) showed HBsAg seroclearance (18.4%); 15 of 187 patients who had an indirect ratio of light absorbance of anti-HBc IgG ≥ 11 RLU showed HBsAg seroclerance (8.0%) (p = 0.003). In multivariate analysis, age, and ALT at the time of HBeAg seroclearance were predictors of HBsAg seroclearance. Especially, the relative risk of HBsAg seroclearance in patients with baseline anti-HBc IgG levels < 11 RLU was 2.213 (95% CI, 1.220-4.014), compared to that in patients with higher levels of anti-HBc IgG at baseline (p = 0.009).

Conclusion: Using an indirect method for anti-HBc IgG levels, baseline anti-HBc IgG levels (< 11RLU), age (≥ 50 years), and ALT (≥ 40 IU/L) might be associated with HBsAg seroclearance in patients with NA-induced HBeAg seroclearance.
Files in This Item:
T202125034.pdf Download
DOI
10.1007/s10620-021-06845-2
Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Internal Medicine (내과학교실) > 1. Journal Papers
1. College of Medicine (의과대학) > Dept. of Laboratory Medicine (진단검사의학교실) > 1. Journal Papers
Yonsei Authors
Kim, Dokyun(김도균) ORCID logo https://orcid.org/0000-0002-0348-5440
Yoo, Sung Hwan(유성환)
Lee, Kwan Sik(이관식) ORCID logo https://orcid.org/0000-0002-3672-1198
Lee, Jung Il(이정일) ORCID logo https://orcid.org/0000-0002-0142-1398
Lee, Hyun Woong(이현웅) ORCID logo https://orcid.org/0000-0002-6958-3035
Jeong, Seok Hoon(정석훈) ORCID logo https://orcid.org/0000-0001-9290-897X
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/188062
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