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Ear-Zap gadget aims to melt stress before speeches

NCT ID NCT07470229

Symptom relief Sponsor: University of Florida 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 This study
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 Results may not be published yet.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
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This status has not been confirmed recently, so it may be out of date.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 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study tests whether a non-invasive device that gently stimulates a nerve in the ear can reduce stress during performance tasks like public speaking. Two hundred adults will be randomly assigned to receive either active or placebo stimulation while completing a stressful speech or a calm writing task. Researchers will measure self-reported stress and heart rate to see if the device helps people feel calmer under pressure.

What this could mean

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

Active substance
Transcutaneous vagus nerve stimulation (tVNS) device
What this could lead to
If it works, this could point toward a simple, drug-free way to manage stress in everyday situations like public speaking or exams.
What could go wrong
This is an early-stage study with a small, single session. The sham (placebo) group may show similar results, and effects may not last or apply to real-world stress.

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

About 200 people

The number the study aims to enrol. It can still change while the study runs.

Expected to start

Mar 2026

An estimate. Start dates often move.

Expected to finish

Apr 2026

An estimate. End dates often move.

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

18 to 65 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: \- Adults aged 18 to 65 years Fluent in English Able to provide informed consent Able to complete study procedures during a single laboratory session Exclusion Criteria: \- History of neurological or psychiatric disorders Cardiovascular disease or uncontrolled hypertension Implanted electrical devices (e.g., pacemaker) Current pregnancy Contraindications to transcutaneous vagus nerve stimulation (tVNS) Current use of medications that significantly affect autonomic nervous system functioning

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Conditions

The condition(s) this trial relates to.

Fractures, Stress

As listed by the trial registrant

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

Stress response

How to take part

Only the study team decides who joins. These are the ways to reach them.

  1. The places running it

    1 site. The list below names each one and where it is.

  2. The official record

    ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.

    Open the record ↗

  3. A doctor treating you

    A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.

Contacts and locations

Locations

  • University of Florida

    Gainesville, Florida, 32611, United States

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