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已发表论文
淋巴细胞 - 单核细胞比例预测了接受明确放化疗的局部晚期食管癌患者的肿瘤反应和存活
Authors Liu X, Li M, Zhao F, Zhu Y, Luo Y, Kong L, Zhu H, Zhang Y, Shi F, Yu J
Received 18 October 2016
Accepted for publication 22 December 2016
Published 14 February 2017 Volume 2017:10 Pages 871—877
DOI http://doi.org/10.2147/OTT.S124915
Checked for plagiarism Yes
Review by Single-blind
Peer reviewers approved by Dr Ru Chen
Peer reviewer comments 3
Editor who approved publication: Dr Yao Dai
Background: The
lymphocyte–monocyte ratio (LMR), a simple biomarker that can reflect the
antitumor immune response of the host, has been associated with patient
prognosis in several solid tumors. The aim of this study was to evaluate
whether LMR can predict clinical tumor response and prognosis in patients with
locally advanced esophageal squamous cell carcinoma (ESCC) who received
definitive chemoradiotherapy (CRT).
Patients and methods: A total of 162 advanced ESCC patients treated at our institution between January 2012 and December 2013 were retrospectively recruited for analysis. Patients were treated with a platinum-based bimodal cytotoxic drug chemotherapy and concurrent radiation therapy. The LMR was calculated from blood counts in samples collected prior to treatment initiation. The predictive value of LMR for clinical tumor response and prognosis was examined.
Results: The LMR before CRT was significantly higher in 48 patients who achieved clinical complete response (CR) compared to that in patients who did not achieve clinical CR (4.89±1.17 vs 3.87±1.29, P <0.001). Compared to their matched counterparts, patients in the high LMR group (LMR >4.02) showed a good clinical tumor response (P <0.05). A significant independent association between a high pretreatment LMR and better outcomes was identified in a multivariate analysis for progression-free survival (PFS; hazard ratio [HR]=2.17; P <0.001) and overall survival (OS; HR=2.02; P =0.002).
Conclusion: In ESCC patients, a high LMR before treatment, which indicates a robust host immune system, is associated with both a good clinical tumor response after definitive CRT and favorable prognosis.
Keywords: esophageal squamous cell carcinoma, lymphocyte–monocyte ratio, definitive chemoradiotherapy, tumor response, prognosis
Patients and methods: A total of 162 advanced ESCC patients treated at our institution between January 2012 and December 2013 were retrospectively recruited for analysis. Patients were treated with a platinum-based bimodal cytotoxic drug chemotherapy and concurrent radiation therapy. The LMR was calculated from blood counts in samples collected prior to treatment initiation. The predictive value of LMR for clinical tumor response and prognosis was examined.
Results: The LMR before CRT was significantly higher in 48 patients who achieved clinical complete response (CR) compared to that in patients who did not achieve clinical CR (4.89±1.17 vs 3.87±1.29, P <0.001). Compared to their matched counterparts, patients in the high LMR group (LMR >4.02) showed a good clinical tumor response (P <0.05). A significant independent association between a high pretreatment LMR and better outcomes was identified in a multivariate analysis for progression-free survival (PFS; hazard ratio [HR]=2.17; P <0.001) and overall survival (OS; HR=2.02; P =0.002).
Conclusion: In ESCC patients, a high LMR before treatment, which indicates a robust host immune system, is associated with both a good clinical tumor response after definitive CRT and favorable prognosis.
Keywords: esophageal squamous cell carcinoma, lymphocyte–monocyte ratio, definitive chemoradiotherapy, tumor response, prognosis
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