Henning Plage, Kira Furlano, Sebastian Hofbauer, Sarah Weinberger, Bernhard Ralla, Antonia Franz, Annika Fendler, Michela de Martino, Florian Roßner, Sefer Elezkurtaj, Martina Kluth, Maximilian Lennartz, Niclas C Blessin, Andreas H Marx, Henrik Samtleben, Margit Fisch, Michael Rink, Marcin Slojewski, Krystian Kaczmarek, Thorsten Ecke, Steffen Hallmann, Stefan Koch, Nico Adamini, Henrik Zecha, Sarah Minner, Ronald Simon, Guido Sauter, Joachim Weischenfeldt, Tobias Klatte, Thorsten Schlomm, David Horst, Simon Schallenberg
BACKGROUND: A high level of PD-L1 expression is the most relevant predictive parameter for response to immune checkpoint inhibitor (CPI) therapy in urinary bladder cancer. Existing data on the relationship between PD-L1 expression and the natural course of disease are controversial and sparse. METHODS: To expand our understanding of the relationship between PD-L1 expression and parameters of cancer aggressiveness, PD-L1 was analyzed on tissue microarrays containing 2710 urothelial bladder carcinomas including 512 patients with follow-up data who underwent radical cystectomy and follow-up therapies in the pre-immune checkpoint inhibitor therapy era...
April 24, 2024: BMC Urology