Prognostic relevance of neutrophil to lymphocyte ratio (NLR) before anti-PD1 therapy in metastatic melanoma patients.
2017
e21045Background: Biomarkers to select the patients most likely to benefit from checkpoint inhibitors are urged. NLR is a simple way of measuring systemic inflammation and is an independent predictor of survival before Anti-CTLA4 therapy. We hypothesized if NLR is also a predictor of survival before Anti-PD1 therapy. Methods: We performed a retrospective review of the medical records of all consecutive metastatic melanoma patients who received Nivolumab treatment from January/2014 – February/2017, including 53 patients prospectively collected from an Expanded Access Program. Of 86 patients, 83 patients were included for demographic and efficacy analysis, and 74 had information about baseline pre-treatment NLR. We analyzed NLR as a continuous variable and categorised ≥ 5 vs. < 5. Kaplan-Meier method was used for survival analysis. Long-rank test compared categories and Cox proportional hazards regression model was used to assess the prognostic significance of baseline NLR in univariate and multivariable an...
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