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Can MRI replace surgery for staging bladder cancer?

NCT ID NCT05464576

Diagnosis Sponsor: University Hospital, Clermont-Ferrand Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now This study
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
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Sep 16, 2026 · Last updated Sep 17, 2026 · Updated 1 time

Summary

Researchers are testing whether MRI scans can accurately show whether bladder tumors have grown into the muscle wall, a key factor in choosing treatment. The trial enrolls 150 adults with bladder tumors who are scheduled for a transurethral resection (TURB), a surgical biopsy. Doctors compare the MRI findings with the biopsy results to see how well the two methods agree.

What this could mean

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

Active substance
MRI scan
What this could lead to
If MRI proves reliable, doctors could stage bladder tumors without surgery, helping patients avoid an invasive biopsy and plan treatment sooner.
What could go wrong
MRI may miss muscle invasion or overestimate it, and this single-center study of 150 people may not reflect results across different hospitals and scanners.

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

About 150 people

The number the study aims to enrol. It can still change while the study runs.

Started

Sep 2022

Expected to finish

Mar 2028

An estimate. End dates often move.

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

Anyone

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: * Patient, male or female, aged \>18ans * Benefiting from Social Security * Urinary bladder tumour confirmed on cystoscopy and requiring a TURB * Understanding and reading French well * Ability to give informed consent Exclusion Criteria: * Participation refusal * MRI contraindication : pacemaker, heart valve, clips, stents, coils, non-MRI compatible defibrillators, neural or peripheral stimulator, cochlear implant, intraocular foreign body, claustrophobia * Patient under guardianship, deprived of liberty, impaired understanding * Pregnant/breastfeeding woman * Allergy to gadolinium (contrast product necessary for carrying out the MRI), hypersensitivity to gadoteric acid or gadolinated contrast products, to meglumine * Suspicion of an infectious disease such as schistosomiasis (differential diagnosis) * Patient presenting with macroscopic clotting hematuria on the day of the MRI

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Conditions

The condition(s) this trial relates to.

disease Non-Muscle Invasive Bladder Neoplasms urinary bladder neoplasm Urinary Bladder Neoplasms

As listed by the trial registrant

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

Diagnosis Invasion MRI Urinary bladder tumour

How to take part

Only the study team decides who joins. These are the ways to reach them.

  1. The places running it

    1 site. The list below names each one and where it is.

  2. The official record

    ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.

    Open the record ↗

  3. 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

  • CHU clermont-ferrand

    RECRUITING

    Clermont-Ferrand, France

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