Before and After Surgery: The PROTEUS Trial May Rewrite How We Treat High-Risk Prostate Cancer
First Look at PROTEUS Results: Dr. Monty Pal on ASCO26 Plenary Research - YouTube A landmark Phase 3 study shows that adding a powerful hormone blocker around the time of surgery dramatically reduces the chance of cancer spreading — and may change a treatment paradigm that has stood for more than a century. IPCSG Newsletter | June 2026 | Prepared for the Informed Prostate Cancer Support Group ▶ Key Takeaways for Patients The PROTEUS trial tested adding apalutamide (Erleada®) plus standard hormone therapy for six months before and six months after radical prostatectomy in men with high-risk or locally advanced prostate cancer. Men receiving apalutamide were nine times more likely to have little or no cancer remaining in the prostate at surgery. The combination reduced the risk of cancer spreading (metastasis) or death by 20% over follow-up. Time before needing any further treatment was extended by more than 33 months compared to hormone therapy a...