A trial of stereotactic body radiotherapy for prostate cancer (HERMES)

Overview

Cancer types:

Prostate cancer

Status:

Results

Phase:

Phase 2

Details

This trial looked at giving radiotherapy in fewer, higher doses for prostate cancer. It compared having either 5 treatments over 10 days or 2 treatments over 8 days.

The trial was for men who had prostate cancer that was newly diagnosed and hadn’t spread.

Men could join the trial between 2021 and 2023. The team published the results in 2025.

Recruitment start: 27 July 2021

Recruitment end: 29 November 2023

How to join

Please note: In order to join a trial you will need to discuss it with your doctor, unless otherwise specified.

Chief investigators

Dr Alison Tree

Supported by

JP Moulton Charity Foundation

Institute of Cancer Research (ICR)

The Royal Marsden NHS Foundation Trust

Last reviewed: 17 Jul 2026

CRUK internal database number: 17244

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