期刊
TUMOR BIOLOGY
卷 39, 期 6, 页码 -出版社
SAGE PUBLICATIONS LTD
DOI: 10.1177/1010428317701639
关键词
Lung adenocarcinoma; prognosis; biomarker; neutrophil-to-lymphocyte ratio; derived neutrophil-to-lymphocyte ratio
类别
资金
- Natural Science Foundation of China [81272221]
- National Key Technology RD Program [2015BAI12B12]
Inflammation is a new hallmark feature of cancer initiation and progression. We aimed to investigate the association between inflammatory response biomarkers and progression-free survival and overall survival in advanced lung adenocarcinoma patients treated with first-line pemetrexed and platinum doublet chemotherapy. Patients hospitalized between April 2012 and March 2015 were enrolled and eliminated according to the inclusion and exclusion criteria. The pretreatment neutrophil-to-lymphocyte ratio, lymphocyte-to-monocyte ratio, derived neutrophil-to-lymphocyte ratio, and platelet-to-lymphocyte ratio were calculated. Besides the well-established clinical prognostic factors, the prognostic values of the four markers were evaluated by the Kaplan-Meier method and Cox's proportional hazards regression model. A total of 78 patients were enrolled in this study. Elevated neutrophil-to-lymphocyte ratio and derived neutrophil-to-lymphocyte ratio were correlated with poor treatment response (p = 0.014, 0.012, respectively). A high pretreatment neutrophil-to-lymphocyte ratio, derived neutrophil-to-lymphocyte ratio, and platelet-to-lymphocyte ratio, as well as low lymphocyte-to-monocyte ratio, were associated with worse progression-free survival and overall survival. Multivariate analysis revealed that high neutrophil-to-lymphocyte ratio (hazard ratio = 2.056; 95% confidence interval, 1.281-3.299; p = 0.003) and 3 metastasis organs (hazard ratio = 1.989; 95% confidence interval, 1.069-3.702; p=0.030) were independent prognostic factors for progression-free survival. Meanwhile, high neutrophil-to-lymphocyte ratio (hazard ratio = 5.540; 95% confidence interval, 2.974-10.321; p < 0.001) and habitual smoking (hazard ratio = 2.806; 95% confidence interval, 1.509-5.221; p = 0.001) were independent prognostic factors for overall survival. In conclusion, Pretreatment neutrophil-to-lymphocyte ratio was an independent prognostic factor for advanced lung adenocarcinoma patients treated with first-line pemetrexed/platinum doublet chemotherapy. Elevated pretreatment derived neutrophil-to-lymphocyte ratio and neutrophil-to-lymphocyte ratio might be potential biomarkers for poorer responses to chemotherapy. To verify these findings, larger well-designed prospective studies are needed.
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