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Oncologic Outcomes in Patients with Residual Upper Tract Urothelial Carcinoma Following Neoadjuvant Chemotherapy

  • Sean A. Fletcher
  • , Maximilian Pallauf
  • , Emelia K. Watts
  • , Kara A. Lombardo
  • , Jack A. Campbell
  • , Michael E. Rezaee
  • , Morgan Rouprêt
  • , Stephen A. Boorjian
  • , Aaron M. Potretzke
  • , M. Reza Roshandel
  • , Guillaume Ploussard
  • , Hooman Djaladat
  • , Alireza Ghoreifi
  • , Andrea Mari
  • , Riccardo Campi
  • , Zine Eddine Khene
  • , Jay D. Raman
  • , Eiji Kikuchi
  • , Michael Rink
  • , Firas Abdollah
  • Joost L. Boormans, Kazutoshi Fujita, David D'Andrea, Francesco Soria, Alberto Breda, Jean Hoffman-Censits, David J. McConkey, Shahrokh F. Shariat, Benjamin Pradere, Nirmish Singla*
*Corresponding author for this work
  • Johns Hopkins University
  • Nova Southeastern University
  • Sorbonne Université
  • Mayo Clinic Rochester, MN
  • Quint Fonsegrives
  • University of Southern California
  • Azienda Ospedaliera Careggi
  • CHU de Rennes
  • Penn State Heart and Vascular Institute
  • St. Marianna University School of Medicine
  • University Medical Center Hamburg-Eppendorf
  • Henry Ford Health System
  • Kindai University
  • Medical University of Vienna
  • University of Turin
  • Autonomous University of Barcelona

Research output: Contribution to journalArticleAcademicpeer-review

9 Citations (Scopus)
32 Downloads (Pure)

Abstract

BACKGROUND AND OBJECTIVE: 

Growing evidence supports the use of neoadjuvant chemotherapy (NAC) for upper tract urothelial carcinoma (UTUC). However, the implications of residual UTUC at radical nephroureterectomy (RNU) after NAC are not well characterized. Our objective was to compare oncologic outcomes for pathologic risk-matched patients who underwent RNU for UTUC who either received NAC or were chemotherapy-naïve. 

METHODS: 

We retrospectively identified 1993 patients (including 112 NAC recipients) who underwent RNU for nonmetastatic, high-grade UTUC between 1985 and 2022 in a large, international, multicenter cohort. We divided the cohort into low-risk and high-risk groups defined according to pathologic findings of muscle invasion and lymph node involvement at RNU. Recurrence-free survival (RFS), overall survival (OS), and cancer-specific survival (CSS) estimates were calculated using the Kaplan-Meier method. Multivariable analyses were performed to determine clinical and demographic factors associated with these outcomes. 

KEY FINDINGS AND LIMITATIONS: 

Among patients with low-risk pathology at RNU, RFS, OS, and CSS were similar between the NAC and chemotherapy-naïve groups. Among patients with high-risk pathology at RNU, the NAC group had poorer RFS (hazard ratio [HR] 3.07, 95% confidence interval [CI] 2.10-4.48), OS (HR 2.06, 95% CI 1.33-3.20), and CSS (subdistribution HR 2.54, 95% CI 1.37-4.69) in comparison to the pathologic risk-matched, chemotherapy-naïve group. Limitations include the lack of centralized pathologic review. 

CONCLUSIONS AND CLINICAL IMPLICATIONS: 

Patients with residual invasive disease at RNU after NAC represent a uniquely high-risk population with respect to oncologic outcomes. There is a critical need to determine an optimal adjuvant approach for these patients. 

PATIENT SUMMARY: 

We studied a large, international group of patients with cancer of the upper urinary tract who underwent surgery either with or without receiving chemotherapy beforehand. We identified a high-risk subgroup of patients with residual aggressive cancer after chemotherapy and surgery who should be prioritized for clinical trials and drug development.

Original languageEnglish
Pages (from-to)1061-1068
Number of pages8
JournalEuropean urology oncology
Volume7
Issue number5
DOIs
Publication statusPublished - 1 Oct 2024

Bibliographical note

Publisher Copyright:
Copyright © 2024 European Association of Urology. Published by Elsevier B.V. All rights reserved.

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

  1. SDG 3 - Good Health and Well-being
    SDG 3 Good Health and Well-being

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