BACKGROUND: To evaluate the relationship between sarcopenia and myelosuppression or between sarcopenia and survival outcomes in patients with urothelial carcinoma (UC) undergoing chemotherapy with gemcitabine plus cisplatin (GC) or carboplatin (GCa). METHODS: We evaluated 80 patients with UC who underwent chemotherapy between 2013 and 2017 at our institution. In total, 53 patients had metastatic UC and were ultimately included in the study. Predictive factors for myelosuppression (neutropenia, thrombocytopenia, and anemia) in all patients and overall survival (OS) in metastatic UC patients were analyzed. Sarcopenia was assessed on computed tomography before chemotherapy. Each patient's total psoas area was measured at the lumbar vertebrae (L3) and sarcopenia was defined as median values or lower. Predictive factors for myelosuppression were assessed using logistic regression analysis and survival was evaluated using Cox regression analysis. RESULTS: The patients' mean age was 71.6 years (range 44.4-89.2 years). Of the initial 80 patients, 39 were diagnosed with sarcopenia and 26 of 53 patients with metastatic UC were diagnosed with sarcopenia. Sarcopenia was an independent predictive factor (P = 0.030; odds ratio, 3.526; 95% confidence interval [CI] 1.128-11.01) for neutropenia on multivariate analysis. Patients without sarcopenia had a significantly longer OS compared to those with sarcopenia (P = 0.013). Sarcopenia and albumin (P = 0.045, 0.023; hazard ratio (HR), 2.309, 2.652; 95% CI 1.021-5.225, 1.141-6.165, respectively) were independent predictors of OS in multivariate analysis. CONCLUSIONS: Sarcopenia was predictive for neutropenia associated with GC or GCa in UC patients and OS in metastatic UC.
BACKGROUND: To evaluate the relationship between sarcopenia and myelosuppression or between sarcopenia and survival outcomes in patients with urothelial carcinoma (UC) undergoing chemotherapy with gemcitabine plus cisplatin (GC) or carboplatin (GCa). METHODS: We evaluated 80 patients with UC who underwent chemotherapy between 2013 and 2017 at our institution. In total, 53 patients had metastatic UC and were ultimately included in the study. Predictive factors for myelosuppression (neutropenia, thrombocytopenia, and anemia) in all patients and overall survival (OS) in metastatic UC patients were analyzed. Sarcopenia was assessed on computed tomography before chemotherapy. Each patient's total psoas area was measured at the lumbar vertebrae (L3) and sarcopenia was defined as median values or lower. Predictive factors for myelosuppression were assessed using logistic regression analysis and survival was evaluated using Cox regression analysis. RESULTS: The patients' mean age was 71.6 years (range 44.4-89.2 years). Of the initial 80 patients, 39 were diagnosed with sarcopenia and 26 of 53 patients with metastatic UC were diagnosed with sarcopenia. Sarcopenia was an independent predictive factor (P = 0.030; odds ratio, 3.526; 95% confidence interval [CI] 1.128-11.01) for neutropenia on multivariate analysis. Patients without sarcopenia had a significantly longer OS compared to those with sarcopenia (P = 0.013). Sarcopenia and albumin (P = 0.045, 0.023; hazard ratio (HR), 2.309, 2.652; 95% CI 1.021-5.225, 1.141-6.165, respectively) were independent predictors of OS in multivariate analysis. CONCLUSIONS:Sarcopenia was predictive for neutropenia associated with GC or GCa in UC patients and OS in metastatic UC.
Entities:
Keywords:
Chemotherapy; Hematologic side effect; Overall survival; Sarcopenia; Urothelial carcinoma
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