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RACS ASC 2025
Outcomes and Prognostic Factors in Salvage Therapies for Biochemical Recurrence in Radiorecurrent Prostate Cancer
Verbal Presentation
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Verbal Presentation

4:40 pm

03 May 2025

Meeting Room C3.4

NOVEL TECHNOLOGIES AND TREATMENTS IN UROLOGY

Disciplines

Urology Surgery

Talk Description

Institution: Peter MacCallum Cancer Center - Victoria, Australia

Introduction: Managing biochemical recurrence (BCR) in radiorecurrent prostate cancer remains a significant challenge, with outcomes varying across salvage treatment modalities. This study evaluates the efficacy of various salvage therapies and explores prognostic factors influencing disease progression and survival. Methods: A retrospective review was performed on 81 patients who developed BCR following primary radiotherapy and underwent salvage therapies. Local salvage treatments included salvage radical prostatectomy (n=11), brachytherapy (n=9), stereotactic ablative radiotherapy (SABR, n=8), external beam radiotherapy (EBRT, n=2), and androgen-deprivation therapy (ADT, n=21). Results: During follow-up, 39 patients experienced a second BCR, with a mean interval of 38.52 months from salvage treatment to recurrence. Repeat PSMA PET imaging revealed diverse recurrence patterns: local recurrence only (27%), local and nodal recurrence (2%), local, nodal, and distant recurrence (8%), and distant recurrence only (19%). Systemic therapy was initiated or continued in 30 patients, including androgen receptor pathway inhibitors (ARPI) in 8 cases. Conclusion: This study highlights variability in outcomes across salvage therapies, emphasising the impact of risk stratification and recurrence patterns. The integration of local and systemic therapies, especially in high-risk patients, shows potential to improve oncological outcomes. These findings support the need for individualised treatment strategies to optimise disease control and survival in radiorecurrent prostate cancer patients.
Presenters
Authors
Authors

Dr Yajat Dua - , Dr Haidar Alsaffar - , Dr Shen Oon - , Dr Umar Khan - , Associate Professor Marlon Perera - , Associate Professor Daniel Moon - , Professor Michael Hofman - , Professor Nathan Lawrentschuk -