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Published in: World Journal of Urology 3/2019

01-03-2019 | Original Article

An increased body mass index is associated with a worse prognosis in patients administered BCG immunotherapy for T1 bladder cancer

Authors: Matteo Ferro, Mihai Dorin Vartolomei, Giorgio Ivan Russo, Francesco Cantiello, Abdal Rahman Abu Farhan, Daniela Terracciano, Amelia Cimmino, Savino Di Stasi, Gennaro Musi, Rodolfo Hurle, Vincenzo Serretta, Gian Maria Busetto, Ettore De Berardinis, Antonio Cioffi, Sisto Perdonà, Marco Borghesi, Riccardo Schiavina, Gabriele Cozzi, Gilberto L. Almeida, Pierluigi Bove, Estevao Lima, Giovanni Grimaldi, Deliu Victor Matei, Nicolae Crisan, Matteo Muto, Paolo Verze, Michele Battaglia, Giorgio Guazzoni, Riccardo Autorino, Giuseppe Morgia, Rocco Damiano, Ottavio de Cobelli, Shahrokh Shariat, Vincenzo Mirone, Giuseppe Lucarelli

Published in: World Journal of Urology | Issue 3/2019

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Abstract

Purpose

The body mass index (BMI) may be associated with an increased incidence and aggressiveness of urological cancers. In this study, we aimed to evaluate the impact of the BMI on survival in patients with T1G3 non-muscle-invasive bladder cancer (NMIBC).

Methods

A total of 1155 T1G3 NMIBC patients from 13 academic institutions were retrospectively reviewed and patients administered adjuvant intravesical Bacillus Calmette–Guérin (BCG) immunotherapy with maintenance were included. Multivariable Cox regression analysis was performed to identify factors predictive of recurrence and progression.

Results

After re-TURBT, 288 patients (27.53%) showed residual high-grade NMIBC, while 867 (82.89%) were negative. During follow-up, 678 (64.82%) suffered recurrence, and 303 (30%) progression, 150 (14.34%) died of all causes, and 77 (7.36%) died of bladder cancer. At multivariate analysis, tumor size (hazard ratio [HR]:1.3; p = 0.001), and multifocality (HR:1.24; p = 0.004) were significantly associated with recurrence (c-index for the model:55.98). Overweight (HR: 4; p < 0.001) and obesity (HR:5.33 p < 0.001) were significantly associated with an increased risk of recurrence. Addition of the BMI to a model that included standard clinicopathological factors increased the C-index by 9.9. For progression, we found that tumor size (HR:1.63; p < 0.001), multifocality (HR:1.31; p = 0.01) and concomitant CIS (HR: 2.07; p < 0.001) were significant prognostic factors at multivariate analysis (C-index 63.8). Overweight (HR: 2.52; p < 0.001) and obesity (HR: 2.521 p < 0.001) were significantly associated with an increased risk of progression. Addition of the BMI to a model that included standard clinicopathological factors increased the C-index by 1.9.

Conclusions

The BMI could have a relevant role in the clinical management of T1G3 NMIBC, if associated with bladder cancer recurrence and progression. In particular, this anthropometric factor should be taken into account at initial diagnosis and in therapeutic strategy decision making.
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Metadata
Title
An increased body mass index is associated with a worse prognosis in patients administered BCG immunotherapy for T1 bladder cancer
Authors
Matteo Ferro
Mihai Dorin Vartolomei
Giorgio Ivan Russo
Francesco Cantiello
Abdal Rahman Abu Farhan
Daniela Terracciano
Amelia Cimmino
Savino Di Stasi
Gennaro Musi
Rodolfo Hurle
Vincenzo Serretta
Gian Maria Busetto
Ettore De Berardinis
Antonio Cioffi
Sisto Perdonà
Marco Borghesi
Riccardo Schiavina
Gabriele Cozzi
Gilberto L. Almeida
Pierluigi Bove
Estevao Lima
Giovanni Grimaldi
Deliu Victor Matei
Nicolae Crisan
Matteo Muto
Paolo Verze
Michele Battaglia
Giorgio Guazzoni
Riccardo Autorino
Giuseppe Morgia
Rocco Damiano
Ottavio de Cobelli
Shahrokh Shariat
Vincenzo Mirone
Giuseppe Lucarelli
Publication date
01-03-2019
Publisher
Springer Berlin Heidelberg
Published in
World Journal of Urology / Issue 3/2019
Print ISSN: 0724-4983
Electronic ISSN: 1433-8726
DOI
https://doi.org/10.1007/s00345-018-2397-1

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