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Can ultrasound help kids speak clearly? new trial tests it

NCT ID NCT06831396

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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 tests whether using ultrasound to show tongue movements on a screen can help children with speech sound disorders pronounce sounds better. Sixty children will be randomly assigned to get the therapy right away or wait a few weeks. The goal is to see if this visual feedback makes articulation therapy more effective.

What this could mean

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

Active substance
ultrasound visual biofeedback
What this could lead to
If it works, this could provide a new, non-invasive way to help children with speech sound disorders speak more clearly.
What could go wrong
This is a small, early-stage study with only 60 children. The ultrasound technique may not work for everyone, and results may not apply to all types of speech disorders.

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 60 people

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

Started

Nov 2023

Expected to finish

Oct 2026

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

5 to 12 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: * Primary diagnosis of speech sound disorder with errors on lingual target sounds * Probe accuracy \<70% on the primary target sound at baseline * Cantonese as the first language * Hearing thresholds ≤25 dB in at least one ear, with no hearing loss exceeding 50 dB in the other ear * No syndromes or obvious dysmorphic features * No language disorders associated with biomedical conditions (e.g., cerebral palsy, autism spectrum disorder) * No oronasal fistula identified on oral examination or diagnosed velopharyngeal insufficiency Exclusion Criteria: * Presence of syndromes or dysmorphic features * Language disorder associated with biomedical conditions (e.g., cerebral palsy, autism spectrum disorder) * Hearing thresholds \>25 dB in one ear and \>50 dB in the other ear Planned surgical intervention during the study period

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Conditions

The condition(s) this trial relates to.

Language Speech Speech Sound Disorder speech-sound disorder

As listed by the trial registrant

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

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

  • Hong Kong Children's Hospital and Child Assessment Centre of The Duchess of Kent Children's Hospital

    RECRUITING

    Hong Kong, Hong Kong

More trials for these conditions

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