ESTRO 2025 - Abstract Book

S2095

Clinical - Urology

ESTRO 2025

Conclusion: This study highlights that both achieving an undetectable PSA (<0.1ng/mL) and the time to reach this nadir within six months after SRT are significant independent predictors of improved BPFS and DMFS.

Keywords: PSA, nadir, salvage radiotherapy

References: Scharl, S., Gartner, L., Böhmer, D. H. G., Siegmann, A., Thamm, R., Krafcsik, M., Mayer, B., Zips, D., Ruf, C., & Wiegel, T. (2024). Undetectable PSA predicts outcome after salvage radiotherapy for biochemical recurrence following radical prostatectomy. Radiotherapy and Oncology , 110476. https://doi.org/10.1016/j.radonc.2024.110476

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Digital Poster Benefit of SpaceOAR Vue in Prostate Radiotherapy: A Real-World Study of Treatment Planning Data and Patients Reported Outcome Prantik Das 1 , Benjamin Brown 1 , Priyesh Mistry 1 , Nicole Turner 1 , Seheli Bandyopadhyay 1 , Ajith Nair 1 , Jessica Davies 1 , Alison Richardson 1 , Victoria Malyaz-Smith 1 , Kunjan Patel 1 , Sadmeet Singh 2 , Shaista Ahmed 2 1 Onology, University Hospitals of Derby and Burton NHS Foundation Trust, Derby, United Kingdom. 2 Urology, University Hospitals of Derby and Burton NHS Foundation Trust, Derby, United Kingdom Purpose/Objective: Damage in the surrounding structures, including the rectum, due to unintended exposure to radiation is a large burden to bear for patients who undergo radiation therapy for prostate cancer. Rectal spacers are an attractive