The Revised REACH-B Model Predicts Hepatocellular Carcinoma in Patients With Chronic Hepatitis B.

Gastroenterology

Department of Internal Medicine, Division of Digestive Diseases, Yale University School of Medicine, New Haven, Connecticut.

Published: July 2025


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http://dx.doi.org/10.1053/j.gastro.2024.11.017DOI Listing

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Article Synopsis
  • - The study aimed to create and validate a prognostic model for assessing the risk of hepatocellular carcinoma (HCC) in noncirrhotic adults with chronic hepatitis B, focusing on those without significant alanine aminotransferase (ALT) elevation.
  • - Researchers analyzed data from over 13,000 patients across several cohorts in Taiwan, Korea, and Hong Kong, finding that baseline HBV DNA levels were key predictors of HCC risk, especially at moderate viral loads.
  • - The new model, called Revised REACH-B, showed strong predictive accuracy and was more beneficial compared to other strategies in predicting HCC risk, though its applicability to other racial groups remains a limitation.
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Background & Aims: Accurate hepatocellular carcinoma (HCC) risk prediction facilitates appropriate surveillance strategy and reduces cancer mortality. We aimed to derive and validate novel machine learning models to predict HCC in a territory-wide cohort of patients with chronic viral hepatitis (CVH) using data from the Hospital Authority Data Collaboration Lab (HADCL).

Methods: This was a territory-wide, retrospective, observational, cohort study of patients with CVH in Hong Kong in 2000-2018 identified from HADCL based on viral markers, diagnosis codes, and antiviral treatment for chronic hepatitis B and/or C.

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