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Dyslexia trial tests FM systems to boost reading skills in kids

NCT ID NCT07247253

Symptom relief Sponsor: Education University of Hong Kong Source: ClinicalTrials.gov ↗

What the study statuses mean

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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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 24, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study tested whether using a special listening device (FM system) in class for one school year could improve reading and language skills in 71 Chinese children aged 7–11 with dyslexia. Half the children used a real device, and half used a sham device that looked the same but didn't work. The researchers measured reading ability, grammar, and brain responses to speech sounds. The goal was to see if better hearing in a noisy classroom could help these children learn more effectively.

What this could mean

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

Active substance
Assistive listening device (FM system)
What this could lead to
If effective, these devices could offer a simple, non-drug way to help children with dyslexia improve reading and listening in class.
What could go wrong
This is a small, completed trial with 71 children. The sham device may also show some benefit, and results may not apply to all dyslexic children.

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

71 people

The number who actually took part.

Started

Jun 2017

Finished

Oct 2018

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

7 to 11 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: * aged seven to eleven years; * diagnosed with dyslexia; * registered normal IQs (scores \> 85); * displayed normal hearing, with air-conduction thresholds of smaller than or at 25 dB hearing level (HL) for pure tones at octave intervals from 250 Hz to 8000 Hz, with an air-bone gap of \< 10 dB for pure tones ranging from 500 Hz to 4000 Hz; * have not reported current or prior neurological disorders; * have obtained written informed consent; * committed to completing the entire study; and * Chinese who speak Cantonese as the first language. Exclusion Criteria: * with known neurological disorders * with hearing loss * have not provided written informed consent * non native Cantonese speaker

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Conditions

The condition(s) this trial relates to.

dyslexia

As listed by the trial registrant

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

Dyslexia

Contacts and locations

Locations

  • The Education University of Hong Kong

    Hong Kong, Hong Kong

More trials for these conditions

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