• Zhi-Guo Jiang and Shao-Guang Liao.
• Department of General Surgery.
• Medicine (Baltimore). 2021 Oct 1; 100 (39): e27361e27361.

AbstractThe aim of this study is to investigate the association between baseline neutrophil-to-lymphocyte ratio (NLR) and progression-free survival (PFS), overall survival (OS) and radiological response in castration-resistant prostate cancer patients treated with docetaxel.Forty-one prostate cancer patients who were treated with docetaxel were selected. Univariable and multivariable Cox regression models were used to predict the association of baseline NLR as a dichotomous variable with PFS and OS after chemotherapy initiation.In Kaplan-Meier analysis, the median PFS (9.8 vs 7.5 months, P = .039, Fig. 1) and OS (17.6 vs 14.2 months, P = .021, Fig. 2) was higher in patients who did not have an elevated NLR than in those with an elevated NLR. In univariate analysis, the pretreatment NLR was significantly associated with PFS (P = .049) and OS (P = .023). In multivariable analysis, patients with a NLR of >3 were at significantly higher risk of tumor progress (hazard ratio 2.458; 95% confidence interval 1.186-5.093; P = .016) and death (hazard ratio 3.435; 95% CI 1.522-7.750; P = .003)than patients with a NLR of ⩽3.NLR may be an independent predictor of PFS and OS in castration-resistant prostate cancer patients treated with docetaxel. The findings require validation in further prospective, big sample-sized studies.Copyright © 2021 the Author(s). Published by Wolters Kluwer Health, Inc.

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