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Lookup NU author(s): Dr Pasquale RescignoORCiD
This work is licensed under a Creative Commons Attribution 4.0 International License (CC BY 4.0).
Copyright © 2024 Catalano, Rebuzzi, Maruzzo, De Giorgi, Buti, Galli, Fornarini, Zucali, Claps, Chiellino, Zampiva, Pipitone, Ricotta, Sorarù, Mollica, Tudini, Fratino, Prati, Caffo, Atzori, Morelli, Prati, Nolè, Vignani, Cavo, Di Napoli, Malgeri, Naglieri, Signori, Banna, Rescigno, Cerbone, Antonuzzo and Roviello.Background: Immune-checkpoint inhibitors (ICIs) have significantly improved metastatic renal cell carcinoma (mRCC) prognosis, although their efficacy in patients with bone metastases (BMs) remains poorly understood. We investigated the prognostic role of natremia in pretreated RCC patients with BMs receiving immunotherapy. Materials and methods: This retrospective multicenter study included RCC patients with BMs receiving nivolumab as second-line therapy or beyond. Inclusion criteria involved baseline sodium levels (pre-ICI) and sodium levels after 4 weeks of nivolumab initiation (post-ICI). The population was divided into two groups based on the median value, and response rates, progression-free survival (PFS), and overall survival (OS) were assessed. Results: Among 120 eligible patients, those with pre-treatment sodium levels ≥140 mEq/L showed longer OS (18.7 vs. 12.0 months, p=0.04). Pre-treatment sodium levels ≥140 mEq/L were associated with better OS compared to levels <140 mE/L (18.7 vs. 12.0, p=0.04). Post-treatment sodium levels ≥140 mEq/L were associated with improved PFS (9.6 vs. 3.2 months) and OS (25.1 vs. 8.8 months) (p=0.05 and p<0.01, respectively). Patients with consistent sodium levels ≥140 mEq/L at both time points exhibited the best outcomes compared to those with lower values (PFS 11.5 vs. 3.3 months and OS 42.2 vs. 9.0 months, respectively, p<0.01). Disease control rate was significantly higher in the latter group (p<0.01). Multivariate analysis confirmed the prognostic significance of sodium levels. Conclusion: Elevated sodium levels (≥140 mEq/L) pre- and post-ICI treatment correlate with better survival outcomes in mRCC patients with BMs. This finding suggests sodium level assessment as a potential prognostic factor in these patients and warrants further investigation, particularly in combination immunotherapy settings.
Author(s): Catalano M, Rebuzzi SE, Maruzzo M, De Giorgi U, Buti S, Galli L, Fornarini G, Zucali PA, Claps M, Chiellino S, Zampiva I, Pipitone S, Ricotta R, Soraru M, Mollica V, Tudini M, Fratino L, Prati V, Caffo O, Atzori F, Morelli F, Prati G, Nole F, Vignani F, Cavo A, Di Napoli M, Malgeri A, Naglieri E, Signori A, Banna GL, Rescigno P, Cerbone L, Antonuzzo L, Roviello G
Publication type: Article
Publication status: Published
Journal: Frontiers in Immunology
Year: 2024
Volume: 15
Online publication date: 05/07/2024
Acceptance date: 17/06/2024
Date deposited: 07/11/2024
ISSN (electronic): 1664-3224
Publisher: Frontiers Media SA
URL: https://doi.org/10.3389/fimmu.2024.1361010
DOI: 10.3389/fimmu.2024.1361010
Data Access Statement: The raw data supporting the conclusions of this article will be made available by the authors, without undue reservation
PubMed id: 39034992
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