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Int J Clin Oncol. 2014 Feb;19(1):139-45. doi: 10.1007/s10147-012-0514-5. Epub 2013 Jan 9.

Clinical variables for predicting metastatic renal cell carcinoma patients who might not benefit from cytoreductive nephrectomy: neutrophil-to-lymphocyte ratio and performance status.

Author information

  • 1Department of Urology, Tokyo Medical University, 6-7-1 Nishishinjuku, Shinjuku-ku, Tokyo, 1600023, Japan, yoshio-o@tokyo-med.ac.jp.

Abstract

BACKGROUND:

Cytoreductive nephrectomy (CN) plays an important role in the multimodal treatment of metastatic renal cell carcinoma (RCC). However, certain patients experience rapid progression of the carcinoma following CN. This study aimed to investigate the value of neutrophil-to-lymphocyte ratio (NLR) in the selection of patients for CN.

METHODS:

Records corresponding to 73 patients with metastatic RCC were retrospectively reviewed. Forty-eight patients underwent CN, and their overall survival (OS) and preoperative variables were analyzed. The OS of patients who did not undergo CN was used as a reference.

RESULTS:

Univariate analysis showed that symptomatic tumors, Eastern Cooperative Oncology Group Performance Status (ECOG-PS) ≥ 1, hemoglobin level <12 g/dl, neutrophil count ≥ 5500/μL, C-reactive protein level ≥ 2.0 mg/dl, and NLR ≥ 4.0 were significantly associated with poor outcomes in patients who underwent cytoreductive nephrectomy. The median OS of patients with NLR ≥ 4.0 was 10.2 months, which was significantly shorter than that of patients with NLR <4.0 (36.5 months) (P = 0.0020). Multivariate analysis showed that NLR and ECOG-PS were independent predictors of OS in patients treated with CN. The OS of CN patients with NLR ≥ 4.0 and ECOG-PS ≥1 was similar to that of patients who did not undergo CN (8.4 vs. 6.1 months, P = 0.939).

CONCLUSIONS:

Preoperative NLR elevation is significantly associated with poor outcomes in patients with metastatic RCC who underwent CN. Patients with NLR ≥4.0 and ECOG-PS ≥ 1 might not benefit from immediate CN after initial diagnosis.

PMID:
23299279
[PubMed - in process]
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