Daily tailored radiation may spare prostate cancer patients from harsh side effects
NCT ID NCT06547398
First seen Jun 26, 2026 · Last updated Jun 27, 2026 · Updated 1 time
Summary
This study tests a new type of radiation therapy for prostate cancer that adjusts the treatment each day based on changes in the patient's anatomy. The goal is to see if this adaptive approach can safely reduce side effects like bladder and bowel problems. The trial involves 130 men and has two phases: first checking if the new workflow is practical, then testing if smaller radiation margins can lower toxicity.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- Adaptive radiotherapy (radiation therapy that adjusts daily to changes in anatomy)
- What this could lead to
- If successful, this approach could reduce side effects like urinary and bowel problems for men receiving radiation for prostate cancer.
- What could go wrong
- This is an early feasibility study with only 130 participants, so results may not apply widely. The technology is new and may not be practical in all clinics.
This is an AI summary of the original study and may miss details. Read our disclaimer.
Study facts
What this study's own registry entry says, in plain language.
- Phase
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Not a phased trial
Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.
- Participants
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About 130 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Oct 2025
- Expected to finish
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Oct 2031
An estimate. End dates often move.
- Lead sponsor
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Other sponsor
The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
- Ages
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18 years and older
- Sex
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Male participants only
- Healthy volunteers
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Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
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Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: 1. \- Age \> 18 2. Biopsy proven prostate malignancy 3. Definitive treatment is radiotherapy to the prostate alone 4. ECOG performance status 0-2 5. Ability to understand and the willingness to sign an informed consent Exclusion Criteria: 1. Hip prosthesis 2. Patient separation from prostate centre to skin edge \> 24cm, measured on diagnostic scan-
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
How to take part
Only the study team decides who joins. These are the ways to reach them.
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The places running it
1 site. The list below names each one and where it is.
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The official record
ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.
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A doctor treating you
A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.
Contacts and locations
Locations
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Northern Sydney Cancer Centre, Royal North Shore Hospital
RECRUITINGSt Leonards, New South Wales, 2065, Australia
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Other studies related to the condition(s) this trial covers.
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- Hormone therapy showdown: can an oral pill beat the shot for prostate cancer patients?