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Prostatic tissue biopsy; Sections show fatty tissue, neural tissue and muscle tissue; Prostate cancer diagnosis
HRR Mutation Testing in mPC

Interpreting HRR results with confidence

Last updated: 28th Oct 2025
Published: 28th Oct 2025

After listening to this podcast, are you more confident in interpreting HRR test results and integrating them into treatment decisions?

Episode 5. Alicia Morgans and Bertrand Tombal discuss the nuanced interpretation of HRR genetic reports in mPC, including the clinical ambiguity of non-BRCA mutations such as ATM and CHEK2, the importance of variant classification, and zygosity in predicting treatment response. Tombal shares practical strategies, from confirmatory testing to leveraging curated databases to assess rare variants, and emphasizes oncogenetic vigilance as combination therapies become more prevalent. “You don’t expect everybody to just look at the report and say, ‘That’s a good one.’ No, you have to dig in and do some preliminary work,” he advises, underscoring the importance of context and multidisciplinary collaboration in clinical decision-making. View transcript.

Chapters
00:32 How to interpret HRR genetic reports
04:06 Challenges in HRR result reading
09:07 Navigating unclear HRR results
10:16 HRR testing in combination therapy
13:19 Multidisciplinary decision-making
16:32 Tips for interpreting HRR data

 

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Meet the guest speaker

Bertrand Tombal, MD, PhDBertrand Tombal, MD, PhD

Bertrand Tombal is a Full Professor and Chair of Urology at Université catholique de Louvain and Cliniques universitaires Saint-Luc in Brussels, Belguim. A past president of the European Organisation for Research and Treatment of Cancer (EORTC), he focuses on advanced prostate cancer and has contributed extensively to research and publications in genitourinary oncology.

Disclosures: Advisor or investigator for Amgen, Astellas, AstraZeneca, Accord Healthcare, Bayer, Myovant, Johnson & Johnson and MSD.

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