Original Investigation

Bellmunt Risk Score as a Prognostic Tool in Metastatic Castration-Resistant Prostate Cancer Survival

JAMA Network Open 10.1001/jamanetworkopen.2026.0300

March 06, 2026 at 11:00 AM EST

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Is the Bellmunt Risk Score (BRS) a valid prognostic tool for predicting survival in patients with metastatic castration-resistant prostate cancer (mCRPC)?In this prognostic study using data for 1756 patients with mCRPC in the ACIS and ELM-PC-5 phase 3 trials, having a higher BRS was consistently associated with unfavorable overall survival and radiographic progression-free survival. The BRS remained a robust and independent prognostic factor for both outcomes in multivariable models.These findings suggest that the BRS provides validated and clinically meaningful prognostic information that can aid in guiding treatment decisions and risk stratification in patients with mCRPC.

Corresponding Author: Thomas Büttner, MD, Department of Urology and Pediatric Urology, University Hospital Bonn, Venusberg-Campus 1, Bonn 53127, Germany (thomas.buettner@ukbonn.de).

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