Cochlear implants offer hope for people deaf in one ear

NCT ID NCT04506853

First seen Jun 26, 2026 · Last updated Jun 26, 2026

Summary

This study looks at how well cochlear implants work over three years for people with single-sided deafness or asymmetric hearing loss. Participants receive a cochlear implant system to help them hear better in noisy situations. The goal is to confirm long-term safety and effectiveness in adults and children aged five and older.

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 system (device)

What this could lead to

If successful, this could confirm cochlear implants as a reliable long-term option for people with hearing loss in one ear, improving their ability to hear in noisy environments.

What could go wrong

This is a post-approval study, so the device is already approved. However, long-term benefits may vary, and risks include surgical complications or device failure.

Disclaimer Read more

This is a summary of the original study . Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.

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Conditions

The condition(s) this trial relates to.

deafness, unilateral Hearing Loss, Sensorineural Hearing Loss, Unilateral sensorineural hearing loss disorder

As listed by the trial registrant

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

Contacts and locations

Locations

  • Ann & Robert H. Lurie Children's Hospital of Chicago

    WITHDRAWN

    Chicago, Illinois, 60611, United States

  • New York Eye and Ear Infirmary

    RECRUITING

    New York, New York, 10003, United States

    Contact

    Contact Phone: •••-•••-•••• Email: •••••@•••••

  • Sunnybrook Health Sciences Center

    RECRUITING

    Toronto, Ontario, M4N 3M5, Canada

    Contact Phone: •••-•••-•••• Email: •••••@•••••

    Contact

  • University of Iowa

    RECRUITING

    Iowa City, Iowa, 52242-1078, United States

    Contact Phone: •••-•••-•••• Email: •••••@•••••

    Contact

  • University of North Carolina

    ACTIVE_NOT_RECRUITING

    Chapel Hill, North Carolina, 27517, United States

  • Virginia Mason Medical Center

    RECRUITING

    Seattle, Washington, 98101, United States

    Contact

    Contact Phone: •••-•••-•••• Email: •••••@•••••