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Ear zap device tested for chemo nausea in kids – but study stopped early

NCT ID NCT05143554

Symptom relief Sponsor: Medical College of Wisconsin 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
The trial has finished. Results may not be published yet.
Stopped early This study
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This status has not been confirmed recently, so it may be out of date.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 small device that stimulates a nerve in the ear to see if it can reduce nausea and vomiting caused by chemotherapy in children, teens, and young adults. The device, called IBStim, was compared to a sham (fake) device. The trial was terminated early and included only 18 participants, so the results are not strong enough to draw clear conclusions.

What this could mean

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

Active substance
auricular percutaneous neurostimulation (IBStim device)
What this could lead to
If it works, this could offer a drug-free way to reduce chemotherapy-induced nausea and vomiting in young patients.
What could go wrong
The trial was terminated early and enrolled only 18 people, so results are very limited. It is unclear if the device works better than a sham treatment.

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

18 people

The number who actually took part.

Started

Apr 2021

Finished

Sep 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

4 to 30 years

Sex

Anyone

Healthy volunteers

Not accepted

This study is not open to healthy volunteers. The entry requirements below say who it is open to.

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: * Subjects who are scheduled to be admitted for chemotherapy administration and who will have at least one additional cycle of the same chemotherapy * Chemotherapy regimens must include moderate and/or severe emetogenic chemotherapy Exclusion Criteria: * Significant developmental delays that would prohibit participation * Infection or severe dermatological condition of ear * Uncontrolled or severe infection * No implanted electrical device is permitted * Pregnancy * Severe cardiopulmonary disease * Diagnosis of hemophilia or other bleeding disorders * Diagnosis psoriasis vulgaris

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Conditions

The condition(s) this trial relates to.

chemotherapy-induced toxicity Vomiting

As listed by the trial registrant

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

Chemotherapy induced nausea and vomiting

Contacts and locations

Locations

  • Children's Wisconsin Hospital

    Milwaukee, Wisconsin, 53226, United States

More trials for these conditions

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