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Brain scans reveal Stuttering's inner workings

NCT ID NCT07180628

Knowledge-focused Sponsor: University of Michigan 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This study uses brain scans (fMRI) to compare brain activity when adults who stutter produce stuttered versus non-stuttered speech. Researchers aim to understand which brain circuits are involved. Fifty adults aged 18-65 who stutter will participate. This is not a treatment study but a knowledge-gathering effort.

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 could help scientists better understand the brain mechanisms behind stuttering, potentially guiding future treatments.
What could go wrong
This is an observational brain-imaging study, not a treatment trial. It is small (50 people) and early-stage, so findings may not lead directly to therapies.

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 50 people

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

Started

Apr 2026

Expected to finish

Mar 2029

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 to 65 years

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: * Are between the ages of 18-65 years * Have otherwise normal speech, language, hearing and cognition * Speak English as their primary language * Currently stutter Exclusion Criteria: * Have serious medical or neurological conditions (e.g., stroke, traumatic brain injury, Parkinson's disease, etc.) * Have had a closed head injury (e.g., concussion) * Have a reading disorder (e.g., dyslexia) * Have hearing loss * Have metal or electronic implants (e.g., cochlear implants, pacemakers, etc.) * Are currently pregnant

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Conditions

The condition(s) this trial relates to.

stutter disorder Stuttering

As listed by the trial registrant

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

Stutter Stuttering Stuttering, adult Stuttering, developmental

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

  • University of Michigan

    RECRUITING

    Ann Arbor, Michigan, 48109, United States

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