Brain wave clues may explain language differences in deaf children with implants
NCT ID NCT07739433
First seen Jul 31, 2026 · Last updated Jul 31, 2026
Summary
This study investigates brain wave patterns in deaf children who received cochlear implants before age 2.5 to understand why language outcomes vary. By measuring brain activity with EEG, researchers hope to identify neural features linked to language development. The study includes 150 children aged 4-17 with bilateral implants and congenital severe-to-profound hearing loss.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- No intervention; observational study using EEG to measure brain activity.
- What this could lead to
- If successful, this could help identify early brain markers that predict language success in deaf children with cochlear implants, potentially guiding more personalized therapy.
- What could go wrong
- This is an observational study, so it won't directly test a treatment. The findings may not apply to all children, and brain wave measures may not fully capture the complexity of language development.
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Study facts
What this study's own registry entry says, in plain language.
- Participants
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About 150 people
The number the study aims to enrol. It can still change while the study runs.
- Expected to start
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Sep 2026
An estimate. Start dates often move.
- Expected to finish
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Sep 2028
An estimate. End dates often move.
- Lead sponsor
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A company
The lead sponsor is a pharmaceutical, biotech, or medical-device company.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
Who is studied
This study will involve minors (between 4 and 17 years-old) with congenital severe-to-profound hearing loss with early bilateral CIs from pediatric ENT department of Necker hospital in Paris.
- Ages
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4 to 17 years
- Sex
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Anyone
- Healthy volunteers
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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 Hide 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: * Between 4 and 17 years old at time of inclusion * Age of first implantation less than or equal to 30 months * Bilateral CIs * Received CIs simultaneously or sequentially (the interval between two implantations does not exceed 18 months) * Congenital severe-to-profound hearing loss (PTA ≥90 dB HL) Exclusion Criteria: * Children with severe associated disabilities who are assessed as unable to complete the tasks * Patients who, in the medical opinion of the Investigator, are unlikely to comply with the study protocol
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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.
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The official record
The full official record for this study. This one lists no contact details, but it is the first place any would appear.
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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.
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