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Cochlear implants for Single-Sided deafness: a Cost-Effective solution?

NCT ID NCT02204618

Disease control 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study looked at whether a cochlear implant is a good value for people who are deaf in one ear or have severe hearing loss in one ear. Participants first tried other hearing devices, and if those didn't work, they were randomly assigned to get a cochlear implant right away or wait six months. The study measured quality of life and hearing ability to see which approach was better.

What this could mean

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

Active substance
cochlear implant device
What this could lead to
If successful, this could show that cochlear implants are a worthwhile option for people with hearing loss in one ear, improving quality of life and hearing.
What could go wrong
This is a completed study, but results may not apply to everyone. The implant requires surgery and may not work for all types of hearing loss.

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

160 people

The number who actually took part.

Started

Oct 2014

Finished

Jan 2019

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: * Social security affiliation * Single sided deafness or profound asymmetrical hearing loss confirmed using pure tone audiometry and auditory brainstem responses, with or without tinnitus * Written consent to the protocol Exclusion Criteria: * Retrocochlear pathology (vestibular schwannoma, severe central auditory processing disorder) * Major cochlear ossification or malformation * Subjects under juridical protections or tutelage measure

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Conditions

The condition(s) this trial relates to.

auditory perceptual disorders Congenital Abnormalities deafness, unilateral Language Development Disorders retrocochlear disease Tinnitus

As listed by the trial registrant

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

Auditory processing disorder, central Major cochlear ossification or malformation Retrocochlear pathology

Contacts and locations

Locations

  • University Hospital of Toulouse - Pierre Paul Riquet Hospital

    Toulouse, Midi-Pyrénées, 31059, France

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