Risk factors for hepatocellular carcinoma at baseline and 1 year after initiation of nucleos(t)ide analog therapy for chronic hepatitis B

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  • Shun Kaneko
    Department of Gastroenterology and Hepatology Musashino Red Cross Hospital Tokyo Japan
  • Masayuki Kurosaki
    Department of Gastroenterology and Hepatology Musashino Red Cross Hospital Tokyo Japan
  • Toshie Mashiba
    Center for Liver‐Biliary‐Pancreatic Diseases Matsuyama Red Cross Hospital Matsuyama Ehime Japan
  • Hiroyuki Marusawa
    Department of Gastroenterology Japanese Red Cross Osaka Hospital Osaka Japan
  • Masahiko Kondo
    Department of Gastroenterology Japanese Red Cross Otsu Hospital Shiga Japan
  • Yuji Kojima
    Department of Gastroenterology Japanese Red Cross Ise Hospital Ise Mie Japan
  • Yasushi Uchida
    Department of Gastroenterology Japanese Red Cross Matsue Hospital Matsue Shimane Japan
  • Hideki Fujii
    Department of Gastroenterology Japanese Red Cross Kyoto Daiichi Hospital Kyoto Japan
  • Takehiro Akahane
    Department of Gastroenterology Japanese Red Cross Ishinomaki Hospital Ishinomaki Miyagi Japan
  • Hitoshi Yagisawa
    Department of Gastroenterology Japanese Red Cross Akita Hospital Akita Japan
  • Atsunori Kusakabe
    Department of Gastroenterology Japanese Red Cross Nagoya Daini Hospital Nagoya Japan
  • Haruhiko Kobashi
    Department of Hepatology Japanese Red Cross Okayama Hospital Okayama Japan
  • Takehiko Abe
    Department of Gastroenterology Japanese Red Cross Maebashi Hospital Maebashi Gunma Japan
  • Hideo Yoshida
    Department of Gastroenterology Japanese Red Cross Medical Center Tokyo Japan
  • Chikara Ogawa
    Department of Gastroenterology Japanese Red Cross Takamatsu Hospital Takamatsu Kagawa Japan
  • Koichiro Furuta
    Department of Gastroenterology Japanese Red Cross Masuda Hospital Masuda Shimane Japan
  • Nobuharu Tamaki
    Department of Gastroenterology and Hepatology Musashino Red Cross Hospital Tokyo Japan
  • Keiji Tsuji
    Department of Gastroenterology Hiroshima Red Cross Hospital & Atomic‐Bomb Survivors Hospital Hiroshima Japan
  • Tomomichi Matsushita
    Department of Gastroenterology Japanese Red Cross Gifu Hospital Gifu Japan
  • Namiki Izumi
    Department of Gastroenterology and Hepatology Musashino Red Cross Hospital Tokyo Japan

Abstract

<jats:title>Abstract</jats:title><jats:p>Nucleos(t)ide analogs (NAs) cannot completely suppress the risk of hepatocellular carcinoma (HCC) in patients with chronic hepatitis B (CHB). This study aimed to identify the risk factors for HCC development in naïve CHB patients treated with current NA. Patients receiving NA (<jats:italic>n</jats:italic> = 905) were recruited retrospectively from the 17 hospitals of the Japanese Red Cross Liver Study Group. All treatment‐naïve patients had been receiving current NA continuously for more than 1 year until the end of the follow‐up. We analyzed the accuracy of predictive risk score using the area under receiver operating characteristic curve. The albumin–bilirubin (ALBI) score was significantly improved by NA therapy (−0.171 ± 0.396; <jats:italic>p</jats:italic> < 0.001 at Week 48). A total of 72 (8.0%) patients developed HCC over a median follow‐up of 6.2 (1.03–15.7) years. An independent predictive factor of HCC development was older age, cirrhosis, lower platelet counts at baseline and ALBI score, and alpha‐fetoprotein (AFP) at 1 year after NA therapy according to multivariate analysis. The accuracy was assessed using the PAGE‐B, mPAGE‐B, aMAP, APA‐B, and REAL‐B scores that included these factors. Discrimination was generally acceptable for these models. aMAP and REAL‐B demonstrated high discrimination with 0.866/0.862 and 0.833/0.859 for 3‐ and 5‐year prediction from the status of 1 year after NA therapy, respectively. Baseline age and platelet count, as well as ALBI and AFP one year after NA, were useful for stratifying carcinogenesis risk. The aMAP and REAL‐B scores were validated with high accuracy in Japanese CHB patients.</jats:p>

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