Clinical value of cholinesterase in patients treated with radical nephroureterectomy for upper urinary tract carcinoma

Author:

von Deimling MarkusORCID,D’Andrea David,Pradere Benjamin,Laukhtina Ekaterina,Yanagisawa Takafumi,Kawada Tatsushi,Majdoub Muhammad,Rajwa Pawel,Pallauf Maximilian,Singla Nirmish,Soria Francesco,Margulis Vitaly,Chlosta Piotr,Karakiewicz Pierre I.,Roupret Morgan,Teoh Jeremy Yuen-Chun,Fisch Margit,Rink Michael,Moschini Marco,Lotan Yair,Shariat Shahrokh F.

Abstract

Abstract Purpose To evaluate the prognostic value and the clinical impact of preoperative serum cholinesterase (ChoE) levels on decision-making in patients treated with radical nephroureterectomy (RNU) for clinically non-metastatic upper tract urothelial cancer (UTUC). Methods A retrospective review of an established multi-institutional UTUC database was performed. We evaluated preoperative ChoE as a continuous and dichotomized variable using a visual assessment of the functional form of the association of ChoE with cancer-specific survival (CSS). We used univariable and multivariable Cox regression models to establish its association with recurrence-free survival (RFS), CSS, and overall survival (OS). Discrimination was evaluated using Harrell’s concordance index. Decision curve analysis (DCA) was used to assess the impact on clinical decision-making of preoperative ChoE. Results A total of 748 patients were available for analysis. Within a median follow-up of 34 months (IQR 15–64), 191 patients experienced disease recurrence, and 257 died, with 165 dying of UTUC. The optimal ChoE cutoff identified was 5.8 U/l. ChoE as continuous variable was significantly associated with RFS (p < 0.001), OS (p < 0.001), and CSS (p < 0.001) on univariable and multivariable analyses. The concordance index improved by 8%, 4.4%, and 7% for RFS, OS, and CSS, respectively. On DCA, including ChoE did not improve the net benefit of standard prognostic models. Conclusion Despite its independent association with RFS, OS, and CSS, preoperative serum ChoE has no impact on clinical decision-making. In future studies, ChoE should be investigated as part of the tumor microenvironment and assessed as part of predictive and prognostic models, specifically in the setting of immune checkpoint-inhibitor therapy.

Funder

Medical University of Vienna

Publisher

Springer Science and Business Media LLC

Subject

Urology

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