Clinical Focus ›› 2025, Vol. 40 ›› Issue (2): 101-106.doi: 10.3969/j.issn.1004-583X.2025.02.001

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Association between D-dimer and the long-term prognosis of advanced cancer patients receiving PD-1/PD-L1 inhibitors: A meta-analysis

Ye Qian1, Liu Shenxiang2()   

  1. 1. Yangzhou Center for Disease Control and Prevention,Yangzhou 225001,China
    2. Department of Oncology, Affiliated Hospital of Yangzhou University,Yangzhou 225100,China
  • Received:2024-11-03 Online:2025-02-20 Published:2025-03-04
  • Contact: Liu Shenxiang E-mail:lsx810914@163.com

Abstract:

Objective The study aims to analyze the associations between pretreatment D-dimer (D-D) levels and the long-term prognosis of advanced cancer patients receiving programmed death-1/programmed death-ligand 1 (PD-1/PD-L1) inhibitors. Methods Relevant literatures published up to October 20, 2024, were retrieved from databases including China National Knowledge Infrastructure (CNKI), Wanfang, VIP, Pubmed, Web of Science, and Cochrane Library. Six literatures were ultimately included in the analysis. Results The advanced cancer patients receiving PD-1/PD-L1 inhibitors with high D-D levels had significantly shorter progression free survival (PFS) (univariate analysis: HR=1.89, 95%CI: 1.33-2.67, P=0.0004; multivariate analysis: HR=1.79, 95%CI: 1.18-2.72, P=0.006) and overall survival (OS) (univariate analysis: HR=2.02, 95%CI: 1.60-2.56, P<0.00001; multivariate analysis: HR=2.08, 95%CI: 1.63-2.65, P<0.00001) than those with normal D-D levels. Conclusion D-D may serve as a potential biomarker for predicting the prognosis of advanced cancer patients receiving PD-1/PD-L1 inhibitors.

Key words: D-dimer, immunotherapy, prognosis, biomarker

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