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New study tests ultrasound and visual feedback to help kids say 'R' correctly

NCT ID NCT03737318

Symptom relief Sponsor: New York University 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 26, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study tested whether adding biofeedback—using ultrasound or visual-acoustic displays—helps children aged 9 to 15 with speech sound disorder improve their /r/ sound more than traditional speech therapy alone. 108 children participated in a randomized controlled trial. The goal was to see if these high-tech tools lead to faster or greater gains in speech accuracy.

What this could mean

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

Active substance
biofeedback (ultrasound or visual-acoustic)
What this could lead to
If successful, this could point toward more effective speech therapy methods for children with persistent /r/ errors.
What could go wrong
This is a completed trial with 108 children, but results may not apply to all speech errors or age groups. Biofeedback may not work for everyone and requires specialized equipment.

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

108 people

The number who actually took part.

Started

Mar 2019

Finished

Aug 2024

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

9 to 15 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: * Must be between 9;0 and 15;11 years of age at the time of enrollment. * Must speak English as the dominant language (i.e., must have begun learning English by age 2, per parent report). * Must speak a rhotic dialect of English. * Must pass a pure-tone hearing screening at 20 decibels Hearing Level (HL). * Must pass a brief examination of oral structure and function. * Must exhibit less than thirty percent accuracy, based on trained listener ratings, on a probe list eliciting /r/ in various phonetic contexts at the word level. Exclusion Criteria: * Must not receive a T score more than 1.3 standard deviations (SD) below the mean on the Wechsler Abbreviated Scale of Intelligence-2 (WASI-2) Matrix Reasoning. * Must not receive a standard score below 80 on the Core Language Index of the Clinical Evaluation of Language Fundamentals-5 (CELF-5). * Must not exhibit voice or fluency disorder of a severity judged likely to interfere with the ability to participate in study activities. * Must not have an existing diagnosis of developmental disability or major neurobehavioral syndrome such as cerebral palsy, Down Syndrome, or Autism Spectrum Disorder, or major neural disorder (e.g., epilepsy, agenesis of the corpus callosum) or insult (e.g., traumatic brain injury, stroke, or tumor resection). * Must not show clinically significant signs of apraxia of speech or dysarthria.

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Conditions

The condition(s) this trial relates to.

Speech Speech Sound Disorder speech-sound disorder

As listed by the trial registrant

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

Speech sound disorder

Contacts and locations

Locations

  • Montclair State University

    Bloomfield, New Jersey, 07003, United States

  • Syracuse University

    Syracuse, New York, 13244, United States

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