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Shocking the senses: new headset could help people hear without earbuds

NCT ID NCT05112809

Knowledge-focused Sponsor: Mayo Clinic Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed This study
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

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

Summary

This Mayo Clinic study tested a wearable headset that uses mild electrical pulses to help people hear tones and understand speech. Researchers placed electrodes on the skin to deliver sound information directly to the brain. The study involved 68 healthy volunteers and measured how well they could hear different frequencies and recognize words in quiet and noisy settings.

What this could mean

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

Active substance
Cochlear Stimulation System (CSS) device
What this could lead to
If successful, this could lead to a noninvasive hearing aid that uses electrical stimulation instead of sound amplification.
What could go wrong
This was a small, early-stage study in healthy volunteers, not people with hearing loss. The device may not work as well in real-world conditions or for those with hearing impairments.

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

Study facts

What this study's own registry entry says, in plain language.

Phase

Not a phased trial

Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.

Participants

68 people

The number who actually took part.

Started

Oct 2023

Finished

Feb 2025

Lead sponsor

Other sponsor

The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Ages

21 to 75 years

Sex

Anyone

Healthy volunteers

Accepted

You do not need to have the condition being studied to take part.

Show the full entry requirements

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: \- Employee of Mayo Clinic. Exclusion Criteria: * Pregnant. * Cochlear implants. * History of fluctuating sensorineural hearing loss. * Skin diseases of the head. * History of acute paroxysmal tachycardia. * History of trigeminal neuralgia. * Recent of paralysis of the facial nerve. * Recent cerebrovascular stroke.

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As listed by the trial registrant

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

Healthy

Contacts and locations

Locations

  • Mayo Clinic in Arizona

    Scottsdale, Arizona, 85259, United States

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