Title |
The lymphocyte–monocyte ratio predicts tumor response and survival in patients with locally advanced esophageal cancer who received definitive chemoradiotherapy
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Published in |
OncoTargets and therapy, February 2017
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DOI | 10.2147/ott.s124915 |
Pubmed ID | |
Authors |
Xuemei Liu, Minghuan Li, Fen Zhao, Yingming Zhu, Yijun Luo, Li Kong, Hui Zhu, Yan Zhang, Fang Shi, Jinming Yu |
Abstract |
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). 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. 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). 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. |
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