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Zapping the brain without surgery: new method tested

NCT ID NCT07215299

Knowledge-focused Sponsor: Indiana 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Aug 04, 2026 · Updated 2 times

Summary

This study tests a new, non-invasive brain stimulation technique called temporal interference (TI) that uses scalp electrodes to safely reach deep brain regions without affecting the surface. Researchers will measure brain activity changes in 30 healthy volunteers using fMRI. The goal is to understand how deep brain structures control thinking and behavior, and to lay the groundwork for future treatments for conditions like addiction and Parkinson's disease.

What this could mean

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

Active substance
Temporal Interference (TI) Electrical Stimulation
What this could lead to
If successful, this could validate a safe, non-invasive way to stimulate deep brain regions, potentially leading to new treatments for addiction, OCD, and Parkinson's disease.
What could go wrong
This is an early-stage study in 30 healthy volunteers, not patients. It only measures brain activity changes, not clinical benefits, and may not translate into effective 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

30 people

The number who actually took part.

Started

Nov 2025

Finished

Feb 2026

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 50 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: * Between the ages of 18 and 50 * Must have at least a 6th grade education * Ability to speak and read English for all phases Exclusion Criteria: * Currently taking psychotropic medications for ADHD, other mental illness, or medications for cancer * History of epilepsy or seizure disorders * History of migraines or other neurological syndromes * History of AIDS (due to potential cognitive deficits) * History of head trauma or cognitive impairments * Personal experiences consistent with symptoms of psychosis (e.g., hallucinations, delusions of control or special powers) * History of skull defects (e.g., holes bored into the skull or known cranial fissures) * Metal implants in the head or under the scalp * Does not meet fMRI safety screening criteria (e.g., metal implants in the body, permanent jewelry, tattoos on the head or neck) * Uses an intrauterine device (IUD) for birth control and cannot provide documentation to verify MRI safety * Pregnancy (self-reported; no pregnancy test administered) * Weight over 440 lbs (scanner weight limit) * Presence of pacemakers

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As listed by the trial registrant

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

Healthy volunteers

Contacts and locations

Locations

  • Indiana University Bloomington, Imaging Research Facility

    Bloomington, Indiana, 47408, United States

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