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Brain study aims to improve speech therapy for stroke survivors

NCT ID NCT04742894

Knowledge-focused Sponsor: The University of Texas at Dallas Source: ClinicalTrials.gov ↗

What the study statuses mean

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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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Jul 29, 2026 · Updated 2 times

Summary

This study looks at how the brain processes auditory feedback during speech in people with aphasia, a communication disorder often caused by stroke. Researchers will test 50 adults with aphasia and 50 healthy adults using speech tasks, EEG, and fMRI. The goal is to find brain markers that can lead to better diagnosis and targeted speech therapy.

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 100 people

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

Started

Jul 2021

Expected to finish

Feb 2027

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

21 to 75 years

Sex

Anyone

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: * A total of 50 individuals with aphasia due to chronic left hemisphere stroke (\> 6 months post-stroke) and 50 age- and gender-matched healthy control subjects will be recruited in this study. The general inclusion criteria for all subjects include: age range 21-75 years, right-handed, and native speaker of English. The aphasic subjects have previously undergone neuro-psychological speech/language testing and have been diagnosed with one type of aphasia (e.g., Broca's, Wernicke's, conduction or anomic). Subjects in the control group will meet the inclusion criteria with having normal voice, speech, language, and hearing function and no history of neurological and psychiatric disorder. We expect that a significant proportion of aphasic patients will show symptoms associated with Apraxia of Speech (AOS) or dysarthria; however, these patients will not be excluded unless their deficits will preclude them from performing the experimental tasks. Exclusion Criteria: * Subjects with moderate to severe hearing, memory, and/or cognitive impairments will be excluded for both groups. In addition, subjects with history of peripheral laryngeal disorders (e.g., paresis or vocal fold paralysis) will be excluded. Subjects will undergo safety screening and will be excluded if there are any factors counter-indicative for EEG and/or MRI scanning.

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Conditions

The condition(s) this trial relates to.

aphasia

As listed by the trial registrant

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

Aphasia

How to take part

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

  1. The places running it

    3 sites. 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

  • The University of Texas at Dallas

    RECRUITING

    Richardson, Texas, 75080, United States

  • University of California Irvine

    NOT_YET_RECRUITING

    Irvine, California, 92697, United States

  • University of South Carolina

    NOT_YET_RECRUITING

    Columbia, South Carolina, 29208, United States

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