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
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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.
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.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
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Locations
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Ann & Robert H. Lurie Children's Hospital of Chicago
WITHDRAWNChicago, Illinois, 60611, United States
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New York Eye and Ear Infirmary
RECRUITINGNew York, New York, 10003, United States
Contact
Contact Phone: •••-•••-•••• Email: •••••@•••••
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Sunnybrook Health Sciences Center
RECRUITINGToronto, Ontario, M4N 3M5, Canada
Contact Phone: •••-•••-•••• Email: •••••@•••••
Contact
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University of Iowa
RECRUITINGIowa City, Iowa, 52242-1078, United States
Contact Phone: •••-•••-•••• Email: •••••@•••••
Contact
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University of North Carolina
ACTIVE_NOT_RECRUITINGChapel Hill, North Carolina, 27517, United States
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Virginia Mason Medical Center
RECRUITINGSeattle, Washington, 98101, United States
Contact
Contact Phone: •••-•••-•••• Email: •••••@•••••