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Do masks mess with MRI? small study checks image quality

NCT ID NCT06994702

Knowledge-focused Sponsor: Institut Cancerologie de l'Ouest 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 27, 2026 · Last updated Jun 27, 2026

Summary

This study looked at whether the plastic masks used to hold the head still during brain radiotherapy affect the quality of MRI scans used for treatment planning. Three healthy volunteers had MRI scans with and without two different types of masks. The goal was to see if the masks interfere with the images needed to create synthetic CT scans for radiation dose calculations.

What this could mean

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

Active substance
MRI restraint system (thermoformed masks)
What this could lead to
If successful, this could help improve MRI-only radiotherapy planning by ensuring masks don't reduce image quality.
What could go wrong
This is a tiny feasibility study with only 3 healthy volunteers, not patients. Results may not apply to real treatment scenarios.

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

3 people

The number who actually took part.

Started

May 2025

Finished

Aug 2025

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

Accepted

You do not need to have the condition being studied to take part.

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: 1. Male \> 18 years 2. Health professional practising at the ICO 3. Volunteer who has signed the consent form 4. Volunteer available to carry out the 3 MRI scans Exclusion Criteria: 1. Claustrophobia 2. Foreign metal objects (metal splinters, filings, shotgun pellets, etc.) 3. Woman

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As listed by the trial registrant

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

Device ineffective

Contacts and locations

Locations

  • Institut de Cancerologie de L'Ouest

    Angers, 49055, France

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