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Ear zap device shows promise for teen nausea

NCT ID NCT03675321

Symptom relief Sponsor: Medical College of Wisconsin Source: ClinicalTrials.gov ↗

What the study statuses mean

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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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 study tested a non-invasive nerve stimulator placed on the outer ear to see if it could reduce nausea in 109 teenagers with functional gastrointestinal disorders. Half received the active device, half a sham (inactive) version, for four weeks. The goal was to measure changes in nausea severity and related distress.

What this could mean

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

Active substance
auricular neurostimulation device (Percutaneous Electrical Nerve Field Stimulator)
What this could lead to
If it works, this could offer a drug-free way to reduce nausea in teenagers with functional gastrointestinal disorders.
What could go wrong
This is a small, early-stage study with no phase designation. The sham group may also show improvement, and results may not apply to all nausea types.

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

109 people

The number who actually took part.

Started

Apr 2018

Finished

Feb 2022

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

11 to 18 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: * Meeting pediatric Rome IV criteria for functional nausea * English-speaking and able to verbalize their condition and concerns about nausea, pain and other symptoms * Lack of other explanation for symptoms * Intact external ear that is free of infection or severe dermatological conditions, - - No currently implanted electrical device Exclusion Criteria: * Medically complex and/or suffering from medical condition that may explain symptoms * Taking a medication that may explain symptoms * Significant developmental delays * Patients treated with a new drug affecting the central nervous system within 4 weeks of study start * Infection or severe dermatological condition of ear * Currently implanted electrical device * Patients with a history of severe allergy to adhesives

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Conditions

The condition(s) this trial relates to.

digestive system disorder

As listed by the trial registrant

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

Functional gastrointestinal disorders

Contacts and locations

Locations

  • Children's Hospital of Wisconsin

    Milwaukee, Wisconsin, 53226, United States

More trials for these conditions

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