For men whose prostate cancer comes back after radiation, options are limited and often harsh. A new study offers hope: a combination of targeted radiation and heat therapy appears to be both effective and gentle.
The trial followed 109 men with locally recurrent prostate cancer who had already received external beam radiation. They were treated with ultrasound-guided salvage brachytherapy (implanting radioactive seeds) plus interstitial hyperthermia (heating the tumor area). After a median of 64 months, the results were promising: 93% of patients survived cancer-related causes, and 86% were alive overall. The cancer came back locally in 29% of men within 5 years.
Side effects were mostly mild. About 7% of men had severe urinary incontinence, and similar numbers had urinary retention. But there were no serious rectal side effects, which is a common concern with pelvic radiation. The study authors note that it's unclear whether adding heat therapy improves results beyond brachytherapy alone, since there was no comparison group.
This is a phase 2 trial, meaning it's early-stage research. Larger, randomized studies are needed to confirm these findings. But for men facing recurrent prostate cancer, this treatment offers a real option with manageable risks.