Demographics and Immunotherapy Efficacy for Advanced Hepatocellular Carcinoma: A Systematic Review and Meta-Analysis of Phase III Clinical Trials
Journal
Liver Cancer
Start Page
1-9
ISSN
2235-1795
1664-5553
Date Issued
2024-11-13
Author(s)
Abstract
Introduction: Immune checkpoint inhibitors (ICIs) are fundamental in treating advanced hepatocellular carcinoma (HCC). Considering previous reports implied varied responses among patient subgroups, such as patients with different hepatitis etiologies, we planned this meta-analysis to identify specific populations that might derive greater survival benefits from ICIs as a first-line treatment. Methods: We conducted a comprehensive search in PubMed and the Cochrane Library for phase III clinical trials comparing ICIs and multikinase inhibitors (MKIs) as first-line therapies for advanced HCC. We extracted and synthesized hazard ratios (HRs) for overall survival across different patient subgroups mainly using the random-effect model. Results: Our analysis included nine phase III trials involving ICIs, either alone or in combination with other treatments, compared with MKIs. The synthesized HRs for patients with hepatitis B virus, hepatitis C virus, and nonviral etiologies were 0.74, 0.77, and 0.86, respectively, showing no significant differences (p = 0.13). Such finding remained when we only analyzed clinical trials with positive results. HRs consistently favored ICIs across various demographics such as age, sex, geographic region, performance status, alpha-fetoprotein levels, and disease stage or extent. Notably, patients with extrahepatic spread showed a trend toward better outcomes (HR 0.73) compared to those without (HR 0.85, p = 0.07). Conclusion: The efficacy of ICIs as a first-line treatment for advanced HCC was consistent across diverse patient subgroups, regardless of hepatitis etiology or other demographic factors. These findings do not support using these characteristics to determine the use of ICI therapy in advanced HCC.
Subjects
Demographics
Etiology
Hepatocellular carcinoma
Immunotherapy
Targeted therapy
Prognosis
SDGs
Publisher
S. Karger AG
Type
journal article
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