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Could a simple MRI replace costly PET scans for brain tumors?

NCT ID NCT05937776

Knowledge-focused Sponsor: OHSU Knight Cancer Institute 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 tested a new way of analyzing MRI scans, called activity MRI (aMRI), to see if it can measure brain tumor activity as well as PET scans. Four adults with glioma had both aMRI and standard PET imaging. The goal was to check if aMRI results match PET findings, which could make metabolic imaging cheaper and more widely available.

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, aMRI could offer a more accessible and less expensive way to monitor brain tumor activity without radioactive tracers.
What could go wrong
This is a very small, early observational study with only 4 participants. The new MRI method may not match PET accuracy and needs much larger validation.

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.

Participants

4 people

The number who actually took part.

Started

Dec 2023

Finished

Dec 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.

Who is studied

Adult patients with glioma

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: * Adult patients (greater than 18 years of age) with glioma who require MRI and ¹⁸FDG-PET imaging.

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Conditions

The condition(s) this trial relates to.

glioma

As listed by the trial registrant

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

GLIOMA

Contacts and locations

Locations

  • OHSU Knight Cancer Institute

    Portland, Oregon, 97239, United States

More trials for these conditions

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