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Scientists probe ear nerves during surgery to unlock hearing loss secrets

NCT ID NCT06556160

Knowledge-focused Sponsor: CHU de Reims 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 aimed to better understand hearing loss by measuring electrical signals from the hearing nerve during brain surgery. Researchers studied 19 patients with normal hearing or hearing loss to see how nerve fibers respond to sound. The goal was to improve a computer model of the human ear, which could help diagnose hearing problems more accurately in the future.

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

19 people

The number who actually took part.

Started

Mar 2023

Finished

Nov 2025

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 to 70 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 : Patients with normal hearing will be included: * male or female * over 18 and up to 70 years of age * normal otoscopic examination * due to undergo surgery on the cerebellopontine angle (microvascular decompression). * free of neuro-sensory deafness, defined by mean hearing thresholds of less than or equal to 20 dB HL in pure tone audiometry in air conduction bilaterally on the side of the ear operated on and on the non-operated side from 0.25 to 8 kHz * affiliated to a social security scheme * have read the information note describing the study and have agreed in writing to take part by signing the informed consent form. Patients with a hearing impairment will be included: * male or female * over 18 and up to 70 years of age * normal otoscopic examination * due to undergo surgery on the cerebellopontine angle (microvascular decompression). * have a sensorineural hearing loss defined by hearing thresholds of 20 dB HL or better from 0.25 to 2 kHz and from 20 dB HL excluded to 55 dB HL at frequencies above 2 kHz. * have read the information note describing the study and have agreed in writing to take part by signing the informed consent form. exclusion criteria : \- Patients will be excluded from the study for whom the auditory nerve is not accessible during surgery, in particular because of complete tumour invasion of the cochlear nerve (stage III and IV neuroma, advanced meningioma) or because of a particular anatomical feature not identified during the preoperative examination, making it impossible to expose the nerve for recordings (protrusion of the posterior surface of the rock).

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Conditions

The condition(s) this trial relates to.

Deafness hearing loss disorder sensorineural hearing loss disorder

As listed by the trial registrant

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

Hearing loss

Contacts and locations

Locations

  • Damien JOLLY

    Reims, France

More trials for these conditions

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