Could light make cochlear implants hear better?

NCT ID NCT05110183

ENROLLING_BY_INVITATION Knowledge-focused Sponsor: Northwestern University Source: ClinicalTrials.gov ↗

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.

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

Get updates

Get notified about this study

Sign up to get updates when this study changes or when new studies for HEARING LOSS are added.

Our safety recommendation!

By submitting, you agree to our Terms of use

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.

HEARING LOSS

Contacts and locations

Locations

University of Miami

Coral Gables, Florida, 33146, United States
University of Missouri

Columbia, Missouri, 65212, United States

More trials for these conditions

Other studies related to the condition(s) this trial covers.