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New imaging combo could sharpen prostate cancer radiation

NCT ID NCT03734757

Knowledge-focused Sponsor: Centre Henri Becquerel Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed This study
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Jun 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study tested whether combining PET-CT and MRI scans (called trimodality imaging) can better define the target area for radiotherapy in high-risk prostate cancer. Twenty patients received both standard scans and the new combined scan before treatment. Researchers compared the volumes drawn for radiation planning to see if the new method changes the treatment approach.

What this could mean

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

What this could lead to
If successful, this imaging approach could help doctors more precisely target radiotherapy for high-risk prostate cancer, potentially improving outcomes.
What could go wrong
This is a very small, early study (20 participants) focused on imaging comparisons, not treatment outcomes. It may not lead to changes in standard care.

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

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

20 people

The number who actually took part.

Started

Feb 2019

Finished

Dec 2020

Lead sponsor

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

18 years and older

Sex

Male participants only

Healthy volunteers

Not accepted

This study is not open to healthy volunteers. The entry requirements below say who it is open to.

Show the full entry requirements

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: * More than 18 years * prostate cancer : High risk (according to D'Amico Classification) * and/or Node positive on MRI * T2c-T3 on MRI * with staging assessment * will receive radiotherapy Exclusion Criteria: * second cancer * contraindication to MRI * participation in an another therapeutic trial * patients under guardianship or curatorship

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Conditions

The condition(s) this trial relates to.

prostate cancer

As listed by the trial registrant

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

Prostate cancer

Contacts and locations

Locations

  • Centre Henri Becquerel

    Rouen, 76038, France

More trials for these conditions

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