Could light make cochlear implants hear better?

NCT ID NCT05110183

First seen Jun 24, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study tests a new type of cochlear implant that uses light instead of electricity to stimulate the hearing nerve. Researchers hope light can target smaller nerve groups, leading to clearer sound. The trial involves 30 adults who are already having ear surgery for tumor removal. They will receive brief electrical and light pulses to see if the nerve responds safely.

What this could mean

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

Active substance

optical and electrical stimulation via cochlear implant

What this could lead to

If successful, this could point toward a new type of cochlear implant that uses light to provide clearer hearing, especially in noisy places or for music.

What could go wrong

This is a very early, small study in 30 people already undergoing ear surgery. It only tests if light can stimulate the hearing nerve safely—not whether it improves hearing long-term. The approach may not work in humans as it did in animals.

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.

acoustic neuroma hearing loss disorder

As listed by the trial registrant

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

Contacts and locations

Locations

  • University of Miami

    Coral Gables, Florida, 33146, United States

  • University of Missouri

    Columbia, Missouri, 65212, United States