Oncotarget

Research Papers:

Meta-analysis of the efficacy of the pretreatment neutrophil-to-lymphocyte ratio as a predictor of prognosis in renal carcinoma patients receiving tyrosine kinase inhibitors

Ning Na _, Jia Yao, Cailian Cheng, Zhengyu Huang, Liangqing Hong, Heng Li and Jiang Qiu

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Oncotarget. 2016; 7:44039-44046. https://doi.org/10.18632/oncotarget.9836

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Abstract

Ning Na1,*, Jia Yao2,*, Cailian Cheng3,*, Zhengyu Huang1, Liangqing Hong1, Heng Li1, Jiang Qiu4

1Department of Kidney Transplantation, The Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, Guangdong Province 510630, China

2Department of Hepatic Surgery, Liver Transplantation Center, The Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, Guangdong Province 510630, China

3Department of Nephrology, The Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, Guangdong Province 510630, China

4Department of Organ Transplant, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou, Guangdong Province 510080, China

*These authors have contributed equally to this work

Correspondence to:

Jiang Qiu, email: qjiang_sysu@126.com

Keywords: renal cancer, neutrophil-to-lymphocyte ratio, prognosis marker, target therapy, meta-analysis

Received: November 29, 2015    Accepted: April 26, 2016    Published: June 06, 2016

ABSTRACT

The data on the impact of the neutrophil-to-lymphocyte ratio (NLR) in metastatic renal cell carcinoma (mRCC) patients receiving tyrosine kinase inhibitors (TKIs) are inconsistent. We therefore performed a meta-analysis to assess the prognostic value of pretreatment NLR in patients treated with TKIs for mRCC. We searched the Embase, Medline, PubMed, Cochrane and ISI Web of Knowledge to identify clinical studies that had evaluated the association between the pretreatment NLR and prognosis in mRCC patients. Prognostic outcomes included overall survival (OS) and progression-free survival (PFS). Nine studies encompassing a total of 1091 participants were included. We found that a high NLR was an effective prognostic marker of both OS (pooled HR: 1.93, 95% CI: 1.35-2.77; P = 0.0003) and PFS (pooled HR: 2.12, 95% CI: 1.42-3.17; P = 0.0002). Subgroup analysis revealed that studies reporting a NLR ≥ 3 showed a more significant effect of NLR on both OS (pooled HR: 2.50, 95% CI: 1.99-3.14; P = 0.0003) and PFS (pooled HR: 2.17, 95% CI: 1.26-3.75). This meta-analysis suggests that high pretreatment NLR is associated with a poor prognosis in mRCC patients receiving TKI treatment.


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