Could two radiation doses beat five for prostate cancer?

NCT ID NCT06835725

Recruiting now Disease control Sponsor: British Columbia Cancer Agency Source: ClinicalTrials.gov ↗

First seen Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This phase 2 trial tests whether giving prostate cancer radiation in just 2 sessions is as safe and effective as the standard 5-session approach. About 100 men with low- or intermediate-risk prostate cancer will be randomly assigned to one of the two schedules. Both groups will use advanced prostate tracking and a rectal spacer to protect nearby organs. The study also explores whether an AI tool can improve targeting, but it won't be used to guide actual treatment yet.

What this could mean

Our plain-language read of the trial. This is informational only — not medical advice or a prediction.

Active substance: Stereotactic Body Radiation Therapy (SBRT) with prostate tracking and rectal spacer
What this could lead to: If successful, this could show that a 2-session radiation approach is as safe and effective as the standard 5-session one, offering men a quicker, more convenient treatment option with fewer side effects.
What could go wrong: This is a mid-stage trial with only 100 participants, so results may not apply to all patients. The 2-session method uses higher radiation doses per session, which could increase side effects despite precautions.

This is an AI summary of the original study and may miss details. Read our disclaimer.

Get updates

Get notified about this study

Sign up to get updates when this study changes or when new studies for PROSTATE CA are added.

Our safety recommendation!

By submitting, you agree to our Terms of use

Conditions

The condition(s) this trial relates to.

prostate cancer prostate carcinoma

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

PROSTATE CA

Contacts and locations

Locations

BC Cancer Radiation Oncology
RECRUITING

Surrey, British Columbia, V3V1Z2, Canada
BC Cancer Radiation Oncology
RECRUITING

Victoria, British Columbia, V8R6V5, Canada

More trials for these conditions

Other studies related to the condition(s) this trial covers.