Radical Cystectomy vs. Radiotherapy in Urothelial Bladder Cancer in Elderly and Very Elderly Patients.

Controversy regarding cancer-specific mortality (CSM) of elderly and very elderly patients with muscle-invasive, non-metastatic, urothelial carcinoma of the urinary bladder (UCUB) undergoing radical cystectomy (RC) vs radiotherapy (RT) still exists.

In the 2004-2016 Surveillance, Epidemiology and End Results (SEER) database, we identified 2663 UCUB patients aged 75-79 (1808 RC vs 855 RT) and 3569 UCUB patients aged 80-89 (1551 RC vs 2018 RT). After stratification for concomitant chemotherapy, propensity score matching (PSM) between RC and RT was applied and competing-risks regression models addressed CSM and OCM.

In the cohort aged 75-79, five-year CSM rates were 22.0 vs 49.0% for RC only vs RT only and yielded a HR of 0.41 (95% confidence interval (CI) 0.30-0.57, p<0.001) favoring RC only. Five-year CSM rates were 28.3 vs 44.3% for RC with chemotherapy vs trimodal therapy (TMT) and yielded a HR of 0.48 (95% CI 0.35-0.65, p<0.001) favoring RC with chemotherapy. In the cohort aged 80-89, five-year CSM rates were 24.2 vs 48.9% for RC only vs RT only and yielded a HR of 0.42 (95% CI 0.33-0.52, p<0.001) favoring RC only. Five-year CSM rates were 19.6 vs 43.2% for RC with chemotherapy vs TMT and yielded a HR of 0.43 (95% CI 0.28-0.67, p<0.001) favoring RC with chemotherapy.

In elderly and very elderly patients, radical cystectomy is associated with virtually half the CSM rate than radiotherapy, regardless of concomitant chemotherapy administration.

Clinical genitourinary cancer. 2021 Sep 01 [Epub ahead of print]

Benedikt Horlemann, Christoph Würnschimmel, Benedikt Hoeh, Gabriele Sorce, Francesco Chierigo, Rocco Simone Flammia, Zhe Tian, Fred Saad, Alberto Briganti, Sharokh F Shariat, Michele Galucci, Felix K H Chun, Markus Graefen, Pierre I Karakiewicz

Cancer Prognostics and Health Outcomes Unit, Division of Urology, University of Montreal Health Center, Montreal, Quebec, Canada. Electronic address: ., Cancer Prognostics and Health Outcomes Unit, Division of Urology, University of Montreal Health Center, Montreal, Quebec, Canada; Martini-Klinik Prostate Cancer Center, University Hospital Hamburg-Eppendorf, Hamburg, Germany., Cancer Prognostics and Health Outcomes Unit, Division of Urology, University of Montreal Health Center, Montreal, Quebec, Canada; Department of Urology, University Hospital Frankfurt, Frankfurt am Main, Germany., Cancer Prognostics and Health Outcomes Unit, Division of Urology, University of Montreal Health Center, Montreal, Quebec, Canada; Department of Urology and Division of Experimental Oncology, URI, Urological Research Institute, IRCCS San Raffaele Scientific Institute, Milan, Italy., Cancer Prognostics and Health Outcomes Unit, Division of Urology, University of Montreal Health Center, Montreal, Quebec, Canada; Department of Surgical and Diagnostic Integrated Sciences (DISC), University of Genova, Genova, Italy., Cancer Prognostics and Health Outcomes Unit, Division of Urology, University of Montreal Health Center, Montreal, Quebec, Canada; Department of Maternal-Child and Urological Sciences, Sapienza Rome University, Policlinico Umberto I Hospital, Rome, Italy., Cancer Prognostics and Health Outcomes Unit, Division of Urology, University of Montreal Health Center, Montreal, Quebec, Canada., Department of Urology and Division of Experimental Oncology, URI, Urological Research Institute, IRCCS San Raffaele Scientific Institute, Milan, Italy., Department of Urology, Comprehensive Cancer Center, Medical University of Vienna, Vienna, Austria; Department of Urology, Weill Cornell Medical College, New York, NY; Department of Urology, University of Texas Southwestern, Dallas, TX; Department of Urology, Second Faculty of Medicine, Charles University, Prague, Czech Republic; Institute for Urology and Reproductive Health, I.M. Sechenov First Moscow State Medical University, Moscow, Russia; Division of Urology, Department of Special Surgery, Jordan University Hospital, The University of Jordan, Amman, Jordan., Department of Maternal-Child and Urological Sciences, Sapienza Rome University, Policlinico Umberto I Hospital, Rome, Italy., Department of Urology, University Hospital Frankfurt, Frankfurt am Main, Germany., Martini-Klinik Prostate Cancer Center, University Hospital Hamburg-Eppendorf, Hamburg, Germany; Department of Urology, University Hospital Hamburg-Eppendorf, Hamburg, Germany.

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