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Brain scans reveal how deafness in one ear rewires Kids' hearing centers

NCT ID NCT04043910

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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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

Summary

This study looked at how the brains of children with hearing loss in one ear process sounds compared to children with normal hearing. Researchers used a special brain imaging technique to measure activity in the hearing parts of the brain. The goal was to understand how the brain reorganizes itself when a child is deaf in one ear.

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

50 people

The number who actually took part.

Started

Apr 2018

Finished

Jun 2022

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 16 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 : For both groups: * 5 to 16 year-old children, * Absence of pregnancy * Affiliation to Social Security, and children and their parents signed consents will be necessary. * Participation agreement of the protocol and signature of the consent form by the person having parental authority and the child For Single-sided Deafness subjects: \- shall present with moderate to profound unilateral hearing loss, with a hearing loss of 40 decibel(minimal thresholds), assessed on tonal, vocal audiometry, Auditory Brainstem Responses, For Normal hearing subjects: \- shall have normal hearing, demonstrated by air thresholds below 20 decibel by an audiometric control before inclusion , matched in gender and age to children in the experimental group Exclusion Criteria: For both groups: * Antecedents of Psycho-neurological diseases, * Other sensorineural or motor deficiency, * Familial bilingualism, * Medications affecting vigilance. * pregnancy or breastfeeding

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Conditions

The condition(s) this trial relates to.

deafness, unilateral Hearing Loss, Unilateral

As listed by the trial registrant

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

Hearing loss, unilateral

Contacts and locations

Locations

  • Hôpital Pierre Paul Riquet

    Toulouse, 31059, France

More trials for these conditions

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