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The Controlling Nutritional Status (CONUT) Score is a Prognostic Biomarker in Advanced Urothelial Carcinoma Patients Treated with First-Line Platinum-Based Chemotherapy

Overview
Journal Bladder Cancer
Publisher IOS Press
Date 2024 Jul 12
PMID 38993214
Authors
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Abstract

Background: The controlling nutritional status (CONUT) score is an objective indicator of general condition from the aspect of nutritional status, calculated from serum albumin, total cholesterol, and total lymphocyte count. The CONUT score is also considered to reflect the degree of tumor-derived chronic inflammation and the host immune status in patients with advanced cancer.

Objective: To examine the prognostic role of the CONUT score in patients with advanced urothelial carcinoma (aUC) treated with first-line platinum-based chemotherapy.

Methods: Associations of the CONUT score with clinical parameters and overall survival (OS) were investigated retrospectively in 147 patients with aUC receiving first-line platinum-based chemotherapy at a single cancer center from February 2003 to April 2019.

Results: The median (range) CONUT score was 1 (0-7). A higher CONUT score was associated with lower hemoglobin ( < 0.001) and higher C-reactive protein levels ( = 0.023) but not with chemotherapy response ( = 0.432). The median OS for patients with CONUT scores 0-1, 2-3, and ≥4 were 23.3, 14.9, and 9.4 months, respectively ( < 0.001). In the multivariable analysis, a higher CONUT score was independently associated with shorter OS (scores 2-3 vs 0-1, HR 1.58,  = 0.048; scores ≥4 vs 0-1, HR 2.63,  = 0.008) along with poorer performance status (HR 4.79,  < 0.001), primary tumor site of the upper urinary tract (HR 1.70,  = 0.016), higher LDH (HR 3.85,  = 0.036), higher alkaline phosphatase (HR 3.06,  = 0.028), and non-responders to chemotherapy (HR 2.07,  < 0.001).

Conclusions: The CONUT score is a prognostic biomarker in patients with aUC receiving first-line platinum-based chemotherapy.

Citing Articles

Gustave Roussy Immune score as a prognostic biomarker in patients with platinum-refractory metastatic urothelial carcinoma treated with pembrolizumab: YUSHIMA study.

Tanabe K, Kobayashi S, Maezawa Y, Ishihara K, Inoue N, Izumi K Int J Clin Oncol. 2024; 29(9):1302-1310.

PMID: 38833113 DOI: 10.1007/s10147-024-02563-7.


Controlling Nutritional Status (CONUT) Score and Sarcopenia as Mutually Independent Prognostic Biomarkers in Advanced Urothelial Carcinoma.

Une M, Ito M, Suzuki H, Toide M, Kobayashi S, Fukushima H Cancers (Basel). 2022; 14(20).

PMID: 36291858 PMC: 9600715. DOI: 10.3390/cancers14205075.

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