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Ear zaps may tune your Body's inner sense

NCT ID NCT06240026

Knowledge-focused Sponsor: Aalborg University 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 study tested whether a mild electrical stimulation on the ear (taVNS) can change how healthy people sense pain, their heartbeat, and temperature. 50 healthy adults took part. The goal is to understand if this simple technique can improve the brain's ability to read body signals, which might help with pain and mood disorders.

What this could mean

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

Active substance
transauricular vagal nerve stimulation (taVNS) device
What this could lead to
If it works, this could point toward a non-drug way to help people with chronic pain or mood disorders by improving how the brain reads body signals.
What could go wrong
This is a small, early study in healthy people, not patients. The effects may be small or not last, and it may not translate to real-world treatments.

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

50 people

The number who actually took part.

Started

Mar 2024

Finished

Aug 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

16 to 80 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: * Are aged 18-60 * Are healthy * Speak and understand English Exclusion Criteria: * Are pregnant and/or breastfeeding * Regularly use cannabis, opioids, or other drugs * Currently or previously suffered of a neurologic, musculoskeletal, mental, or other illnesses (e.g., brain or spinal cord injuries, degenerative neurological disorders, major depression, cardiovascular disease, chronic lung disease, etc.) * Once or more a week take of analgesic medication or other medication which may affect the trial (including paracetamol and NSAIDs) * Have a recent history of acute pain, particularly in the lower limbs. * Have abnormally disrupted sleep in 24 hours preceding experiment. * Have contraindications to electric application (history of epilepsy, metal implants in head or jaw, etc.) * Lack the ability to cooperate.

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Conditions

The condition(s) this trial relates to.

Acute Pain

As listed by the trial registrant

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

Pain, acute

Contacts and locations

Locations

  • Center for Neuroplasticity and Pain

    Gistrup, North Denmark, 9260, Denmark

More trials for these conditions

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