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Ear zap may unlock stroke recovery secrets

NCT ID NCT06226493

Knowledge-focused Sponsor: Casa Colina Hospital and Centers for Healthcare Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now This study
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 Results may not be published yet.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
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This status has not been confirmed recently, so it may be out of date.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 early study tests whether a non-invasive device that gently stimulates a nerve in the ear (taVNS) can change brain activity and genetic markers in people who recently had a stroke. Forty-four participants with arm weakness will receive either real or sham stimulation. Researchers will measure brain waves (EEG) and look at specific genes to understand how the stimulation might help recovery. This is a preliminary study focused on learning, not on proving a treatment works.

What this could mean

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

Active substance
transcutaneous auricular vagus nerve stimulation (taVNS) via a non-invasive ear clip device
What this could lead to
If successful, this study could point toward a non-invasive way to boost motor recovery after stroke and identify which patients might benefit most.
What could go wrong
This is a very small, early-stage study (44 participants) focused on measuring brain signals and genetic markers, not on proving treatment effectiveness. The results may not lead to a direct therapy.

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 44 people

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

Started

Jan 2024

Expected to finish

Jan 2027

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 80 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: * First-time Cerebrovascular Accident (Ischemic or Hemorrhagic) * Within a month post-injury * Presence of motor impairments (FMA-U≤62) Exclusion Criteria: * Advanced cardiac, pulmonary, liver, or kidney disease * Bradycardia (Resting HR \< 60) * Presence of Apraxia, Aphasia or confusion * Other musculoskeletal or neurologic diseases that could interfere with the outcome measures * Previous surgical intervention on the vagus nerve * Participation in other clinical trials * Alcohol or drug abuse

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Conditions

The condition(s) this trial relates to.

stroke disorder

As listed by the trial registrant

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

Stroke

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

  • Casa Colina Hospital and Centers for Healthcare

    RECRUITING

    Pomona, California, 91769, United States

More trials for these conditions

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