eISSN: 1644-4124
ISSN: 1426-3912
Central European Journal of Immunology
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2/2024
vol. 49
 
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abstract:
Clinical immunology

Progression patterns in patients with advanced hepatocellular carcinoma treated with local therapy, targeted drugs, and PD-1/PD-L1 inhibitors

Yanan Zhao
1
,
Di Wu
1
,
Quanjun Yao
1
,
Hang Yuan
1
,
Hongtao Hu
1
,
Hailiang Li
1

  1. The Affiliated Cancer Hospital of Zhengzhou University and Henan Cancer Hospital, Zhengzhou, China
Cent Eur J Immunol 2024; 49 (2): 147-154
DOI: https://doi.org/10.5114/ceji.2024.142418
Online publish date: 2024/08/26
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Introduction:
To explore the progression patterns of advanced hepatocellular carcinoma (HCC) in patients treated with a combination of local therapies, targeted drugs, and PD-1/PD-L1 inhibitors.

Material and methods:
A retrospective study involving 86 patients with Barcelona Clinic Liver Cancer stage C HCC was conducted between August 2018 and April 2022. All patients received local therapy, targeted drugs, and PD-1/PD-L1 inhibitors. Disease progression was evaluated using computed tomography or magnetic resonance imaging after combination therapy. Peripheral blood immune cells were analyzed using flow cytometry.

Results:
For intrahepatic progression, the median time to first progression was 5.3 months in 60 patients (95% confidence interval (CI): 2.3-7.1 months), and the median time to second progression was 9.3 months in 40 patients (95% CI: 4.8-11.8 months, p < 0.0001). For extrahepatic progression, the median time to first progression was 5.8 months in 61 patients (95% CI: 1.6-8.4 months), and the median time to second progression was 8.7 months in 39 patients (95% CI: 4.5-10.9 months, p < 0.0001). The common sites of extrahepatic progression are the lymph nodes and lungs. The percentages of PD-1+ cells gradually decreased after combination treatment but then gradually increased at follow-up in extrahepatic progression. The percentages of CD3+ T cells, CD3+CD4+ T cells, CD3+CD8+ T cells and CD16+CD56+ cells exhibited different trends in intrahepatic and extrahepatic progression.

Conclusions:
After combination treatment, patients with advanced HCC exhibit different characteristics of disease progression and composition of peripheral blood immune cells. Lymph nodes and lungs were the most susceptible sites for disease progression

keywords:

hepatocellular carcinoma, disease progression, local therapy, targeted drug, PD-1/PD-L1 inhibitor
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