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New algorithm Fine-Tunes cochlear implants for better hearing in crowds

NCT ID NCT04888143

Symptom relief Sponsor: Centre Hospitalier Universitaire Dijon 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 24, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study tested a new way to adjust cochlear implants for people who are deaf in one ear but have some hearing in the other. Researchers used an evolutionary algorithm to customize the frequency settings of the implant. The goal was to help participants understand speech better in noisy environments. Eighteen adults who had used a cochlear implant for at least six months took part.

What this could mean

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

Active substance
evolutionary algorithm for frequency allocation
What this could lead to
If it works, this could lead to better hearing in noisy places for people with a cochlear implant in one ear and some hearing in the other.
What could go wrong
This was a small, completed study with only 18 people, so results may not apply to everyone. The approach is still experimental and not yet standard practice.

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

18 people

The number who actually took part.

Started

Jun 2020

Finished

Nov 2020

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

18 years and older

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: * Person having given his or her non-opposition * Implanted post lingual profound deafness and one functional contralateral ear (normal hearing or mild to severe hearing loss with hearing aids) * Have more than 6 months of experience with cochlear implants * Daily use of their two hearing aids for more than 6 hours a day Exclusion Criteria: * person subject to a legal protection measure (guardianship, tutorship) * person subject to a measure of judicial control * pregnant, parturient or breastfeeding woman * adult unable to express consent * minor

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Conditions

The condition(s) this trial relates to.

hearing loss disorder

As listed by the trial registrant

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

Profound deafness

Contacts and locations

Locations

  • Chu Dijon Bourgogne

    Dijon, 21000, France