Risk and risk score performance of hepatocellular carcinoma development in patients with hepatitis b surface antigen seroclearance

Yewan Park, Jeong Hoon Lee, Dong Hyun Sinn, Jun Yong Park, Minseok Albert Kim, Yoon Jun Kim, Jung Hwan Yoon, Do Young Kim, Sang Hoon Ahn, Wonseok Kang, Geum Youn Gwak, Yong Han Paik, Moon Seok Choi, Joon Hyeok Lee, Kwang Cheol Koh, Seung Woon Paik

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INTRODUCTION: Hepatocellular carcinoma (HCC) can develop among chronic hepatitis B patients after hepatitis B surface antigen (HBsAg) seroclearance. However, whether HCC risk after HBsAg seroclearance differs between antiviral therapy (AVT)-induced or spontaneous seroclearance cases and ways to identify atrisk populations remain unclear. METHODS: A retrospective cohort of 1,200 adult chronic hepatitis B patients who achieved HBsAg seroclearance (median age: 56 years; 824 men; 165 with cirrhosis; 216 AVT-induced cases) were analyzed. The risk of HCC after HBsAg seroclearance and the performance of 6 HCC prediction models were assessed. RESULTS: During amedian of 4.8 years of follow-up (range: 0.5-17.8 years),HCC developed in 23 patients (1.9%). TheHCC incidence ratewas higher in the AVT-induced cases than that in the spontaneous cases (3.9%vs 0.9%at 5 years). AVT and cirrhosis were independent factors associated with HCC, with HCC incidence rates of 0.5%, 1.2%, 4.0%, and 10.5% at 5 years for spontaneous/no-cirrhosis, AVT-induced/nocirrhosis, spontaneous/cirrhosis, and AVT-induced/cirrhosis patients, respectively. Among the 6 predictive HCC models tested, Chinese University-HCC score (0.82) showed the highest C-statistics, which was followed by guide with age, gender, HBV DNA, core promoter mutations and cirrhosis (0.81). DISCUSSION: AVT-induced HBsAg seroclearance was associated with higher HCC risk, especially for patients with cirrhosis, indicating that they need careful monitoring for HCC risk. The HCC risk models were able to stratify the HCC risk in patients with HBsAg seroclearance.

Original languageEnglish
Article numbere00290
JournalClinical and translational gastroenterology
Issue number1
Publication statusPublished - 2021 Jan 11

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© 2021 The Author(s).

All Science Journal Classification (ASJC) codes

  • Gastroenterology


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