The Value of Preoperative Plasma VEGF Levels in Urothelial Carcinoma of the Bladder Treated with Radical Cystectomy

Keiichiro Mori, Victor M. Schuettfort, Satoshi Katayama, Ekaterina Laukhtina, Benjamin Pradere, Fahad Quhal, Reza Sari Motlagh, Hadi Mostafaei, Nico C. Grossmann, Pawel Rajwa, Frederik König, Abdulmajeed Aydh, Francesco Soria, Marco Moschini, Pierre I. Karakiewicz, Yair Lotan, Douglas Scherr, Martin Haydter, Peter Nyirady, Jeremy Y.C. TeohShin Egawa, Eva Compérat, Shahrokh F. Shariat

Research output: Contribution to journalArticlepeer-review

Abstract

Background: Elevated preoperative plasma levels of the angiogenesis-related marker VEGF have been associated with worse oncological outcomes in various malignancies. Objective: To investigate the predictive/prognostic role of VEGF in patients with urothelial carcinoma of the bladder (UCB) treated with radical cystectomy (RC). Design, setting, and participants: VEGF plasma levels were measured preoperatively in 1036 patients with UCB who underwent RC. Outcome measurements and statistical analysis: The correlation between plasma VEGF levels and pathological and survival outcomes was assessed using logistic regression and Cox regression analyses. Discrimination was assessed using the concordance index (C index). The clinical net benefit was evaluated using decision curve analysis (DCA). Results and limitations: Patients with higher pretreatment plasma VEGF levels had poorer recurrence-free survival (RFS), cancer-specific survival (CSS), and overall survival (OS) according to log-rank tests (all p < 0.001). Higher VEGF levels were not independently associated with higher risk of lymph node metastasis, ≥pT3 disease, or non–organ-confined disease (all p > 0.05). Preoperative plasma VEGF levels were independently associated with RFS, CSS, and OS in preoperative and postoperative multivariable models. However, in all cases the C index increased by <0.02 and there was no improvement in net benefit on DCA. A limitation is that none of the patients received current elements of standard of care such as neoadjuvant chemotherapy. Conclusions: Elevated plasma VEGF levels were associated with features of biologically and clinically aggressive disease such as worse survival outcomes among patients with UCB treated with RC. However, VEGF appears to have relatively limited incremental additive value in clinical use. Further study of VEGF for UCB prognostication is warranted before routine use in clinical algorithms. Patient summary: Currently available models for predicting outcomes in bladder cancer are less than optimal. A protein called vascular endothelial growth factor (VEGF), which is a marker of the formation of blood vessels (angiogenesis), may have a role in predicting survival outcomes in bladder cancer. Take Home Message: Elevated plasma VEGF levels are associated with worse survival outcomes for patients with urothelial carcinoma of the bladder (UCB) treated with radical cystectomy. VEGF could be used as a part of a biomarker panel to enhance tools currently used for risk stratification for patients with UCB.

Original languageEnglish (US)
JournalEuropean Urology Focus
DOIs
StateAccepted/In press - 2022

Keywords

  • Biomarker
  • Radical cystectomy
  • Urothelial carcinoma of the bladder
  • Vascular endothelial growth factor

ASJC Scopus subject areas

  • Urology

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