Prognostic performance of inflammation-based prognostic indices in locally advanced non-small-lung cancer treated with endostar and concurrent chemoradiotherapy

Huarong Tang, Honglian Ma, Fang Peng, Yong Bao, Xiao Hu, Jin Wang, Yujin Xu, Ming Chen
Molecular and Clinical Oncology 2016, 4 (5): 801-806
A proportion of patients with locally advanced non-small-cell lung cancer (NSCLC) may benefit from anti-angiogenic therapy combined with concurrent chemoradiotherapy; however, effective prognostic biomarkers are required for prognosis. In this study, we aimed to establish whether inflammation-based factors offer a prognostic benefit in terms of response rate (RR) and overall survival (OS) in stage III NSCLC patients treated by endostar with concurrent chemoradiotherapy (CCRT). We retrospectively investigated an unselected cohort of stage III NSCLC patients, who were treated by combined endostar and CCRT. The log-rank test was used to analyze the association between each clinical variable and OS. Cox regression models were fitted to identify risk factors associated with OS. A total of 82 patients with stage III NSCLC were treated with a combination of endostar and CCRT and 78 patients were included in the data analysis. A total of 13 patients achieved a complete response, 49 achieved a partial response, 6 had stable disease, 8 had progressive disease and 2 patients could not be evaluated. The median progression-free survival of the entire group was 10.50 months (95% CI: 6.298-14.702), while the median OS was 22.83 months (95% CI: 19.156-26.504). On χ(2)test analysis, the neutrophil-to-lymphocyte ratio (NLR) exerted a significant effect on RR (P=0.048). The univariate analysis identified the factors associated with OS, including NLR (P=0.004) and monocyte count (P=0.001), whereas the multivariate analysis confirmed NLR [P=0.043, hazard ratio (HR)=0.502] and monocyte count (P=0.011, HR=0.387) as independent prognostic factors for OS. Our results indicated that, in patients with stage III NSCLC treated by a combination of endostar and CCRT, pre-treatment elevated NLR and monocyte number are negatively associated with OS.

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