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Zapping the brain to silence hallucinations: small study shows promise

NCT ID NCT05165654

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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 26, 2026 · Last updated Jun 26, 2026

Summary

This completed study tested whether a mild electrical current applied to a specific brain region (the right superior temporal sulcus) could reduce hallucinations in 12 adults with psychosis. Participants received transcranial electrical stimulation while researchers measured changes in hallucination severity and brain activity. The goal was to see if this noninvasive approach could improve sensory integration and lessen hallucinations.

What this could mean

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

Active substance
Transcranial electrical stimulation
What this could lead to
If it works, this could point toward a noninvasive brain stimulation treatment to ease hallucinations in people with psychosis.
What could go wrong
This is a very small, early study with only 12 participants. It may not show clear benefits, and the effects may not last or apply to everyone.

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

12 people

The number who actually took part.

Started

Nov 2021

Finished

Jun 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

18 to 50 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: 1. Aged 18-50 years of age 2. Proficient in English 3. Able to give informed consent 4. Actively experiencing hallucinations (tactile, auditory, visual, etc.) 5. Has not recently participated in tES/TMS treatments Exclusion Criteria: 1. Substance abuse or dependence (w/in past 6 months) 2. Those who are pregnant/breastfeeding 3. History of head injury with \> 15 minutes of loss of consciousness/mal sequelae 4. DSM-V intellectual disability 5. Having a non-removable ferromagnetic metal within the body (particularly in the head) 6. History of seizures

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Conditions

The condition(s) this trial relates to.

Hallucinations psychotic disorder Psychotic Disorders

As listed by the trial registrant

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

Contacts and locations

Locations

  • Beth Israel Deaconess Medical Center

    Boston, Massachusetts, 02215, United States

More trials for these conditions

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