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ISSN 1001-5256 (Print)
ISSN 2097-3497 (Online)
CN 22-1108/R
Volume 38 Issue 7
Jul.  2022
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Article Contents

Association of programmed death-1 and programmed death-ligand 1 with the prognosis and clinical features of patients with hepatocellular carcinoma: A meta-analysis

DOI: 10.3969/j.issn.1001-5256.2022.07.022
Research funding:

Project of Sichuan Youth Science and Technology Fund (2016JQ0023);

Sichuan Science and Technology Plan Project (2020YFSY0022)

More Information
  • Corresponding author: WANG Tao, watopo@163.com(ORICD: 0000-0003-4064-8867)
  • Received Date: 2021-11-15
  • Accepted Date: 2022-01-10
  • Published Date: 2022-07-20
  •   Objective  To systematically evaluate the influence of the expression of programmed death-1 (PD-1) and programmed death-ligand 1 (PD-L1) on the prognosis of patients with hepatocellular carcinoma (HCC).  Methods  Related databases, such as PubMed, The Cochrane Library, Embase, CBM, CNKI, and Wanfang Data, were searched to collect related articles, and the cohort studies or case-control studies on the association of the expression of PD-1 and PD-L1 with the prognosis of HCC patients were included. RevMan 5.3 software was used to perform a meta-analysis of overall survival (OS) and disease-free survival (DFS).  Results  A total of 20 eligible cohort studies or case-control studies were included. The expression of PD-1 was not associated with the OS of HCC patients (hazard ratio [HR]=0.78, 95% confidence interval [CI]: 0.31-1.97, P < 0.05), while it was significantly associated with DFS (HR=0.38, 95%CI: 0.24-0.58, P < 0.01). The expression of PD-L1 was significantly associated with the OS of HCC patients (HR=1.64, 95%CI: 1.26-2.15, P < 0.05), but it was not associated with DFS (HR=1.48, 95%CI: 0.88-2.49, P > 0.05). In addition, the expression of PD-1 and PD-L1 was not significantly associated with the clinical features of HCC patients (P > 0.05).  Conclusion  The expression of PD-1 and PD-L1 is associated with the prognosis of HCC patients, with no significant association with clinical features.

     

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