• 1. Department of Hepatobiliary and Pancreatic Surgery, Deyang People's Hospital, Deyang 618000, China;
  • 2. Digestive Disease Center, Deyang People's Hospital, Deyang 618000, China;
  • 3. Department of Hepatobiliary and Pancreatic Surgery, Sichuan Academy of Medical Sciences & Sichuan Provincial People's Hospital (Affiliated Hospital of University of Electronic Science and Technology of China), Chengdu 610072, China;
LI Youwei, Email: 279032902@qq.com; ZHANG Yu, Email: zhangyuqg@med.uestc.edu.cn
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Objective To summarize the clinical characteristics, potential molecular mechanisms, and predictive biomarkers of hyperprogressive disease (HPD) induced during the treatment of hepatocellular carcinoma (HCC) with immune checkpoint inhibitors and to explore its clinical implications. Methods Relevant domestic and international literature was reviewed to analyze the definition, mechanisms, and predictive factors of HPD. Particular attention was given to key factors affecting HPD development, including clinical characteristics, tumor microenvironment, genetic mutations, and inflammatory factors. Results HPD significantly reduces the survival of HCC patients. Its occurrence may be associated with individual variability, dysregulation of the tumor microenvironment, tumor-related genetic mutations, and elevated levels of inflammatory factors. Blood-based biomarkers such as neutrophil-to-lymphocyte ratio (NLR), lactate dehydrogenase (LDH), and alpha-fetoprotein (AFP) show potential value in predicting HPD. Conclusions Systematic investigation of the molecular mechanisms and predictive biomarkers of HPD is crucial for optimizing immunotherapy strategies and improving patient outcomes. Large-scale, multi-center studies are needed to achieve precise prediction and personalized intervention in the future.

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