Neutrophil-to-lymphocyte ratio and lactate dehydrogenase as biomarkers for urothelial cancer treated with immunotherapy.
2020
PURPOSE: To identify patients with metastatic urothelial cancer (mUC) unlikely to benefit from immune-checkpoint inhibitors (ICIs). METHODS/PATIENTS: We explored the predictive and prognostic values of baseline neutrophil-to-lymphocyte ratio (NLR), with cut-offs >/= 3 and >/= 5, and of a urothelial immune prognostic index (UIPI, based on increased NLR and LDH), on 146 patients. RESULTS: NLR and UIPI significantly predicted progressive disease and progression-free survival with both cut-offs (p = 0.0069, p = 0.0034, p = 0.0160, p = 0.0063; p /= 5 (p = 0.03 and p = 0.024, for NLR-5 and UIPI-5, respectively). CONCLUSIONS: NLR-5 deserves prospective validation to identify mUC patients with poor prognosis following ICIs.
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