Cochlear implant boosts hearing in One-Eared hearing loss

NCT ID NCT03052920

Completed Symptom relief Sponsor: Washington University School of Medicine Source: ClinicalTrials.gov ↗

First seen Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This study looked at whether a cochlear implant in the poorer ear can help adults with hearing loss in one ear who already use a hearing aid in the better ear. Forty adults who had trouble with standard hearing aids received a cochlear implant. Researchers measured word understanding and sound localization before and after the implant. The goal was to see if the implant improves hearing and quality of life.

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 improve hearing and sound localization for people with hearing loss in one ear.
What could go wrong: This is a small, completed study with only 40 participants, so results may not apply to everyone. There are also risks from surgery, such as infection or device failure.

This is an AI summary of the original study and may miss details. Read our disclaimer.

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Conditions

The condition(s) this trial relates to.

deafness, unilateral 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

House Clinic

Los Angeles, California, 90057, United States
New York University School of Medicine

New York, New York, 10016, United States
Saint Luke's Midwest Ear Institute

Kansas City, Missouri, 64111, United States
Washington University School of Medicine

St Louis, Missouri, 63110, United States

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