New Rulebook for Prostate Cancer Trials:
What PCWG4 Means for You Informed Prostate Cancer Support Group (IPCSG) Member Newsletter San Diego, California May 2026 Issue Clinical Trials & Research Update Prepared for IPCSG Members by the Newsletter Staff • Published May 2026 Bottom Line Up Front (BLUF) An international panel of more than 40 prostate cancer specialists has issued a landmark update — the Prostate Cancer Working Group 4 ( PCWG4 ) report — that rewrites the standards used to design and conduct clinical trials for advanced prostate cancer. Published in February 2026 in the Journal of Clinical Oncology , PCWG4 replaces stigmatizing "castration" language with biology-based terminology, formally integrates the powerful PSMA-PET scan into trial rules, refines how progression is measured so patients are not pulled from beneficial treatments prematurely, and demands that patient quality-of-life ...