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Sound waves to soothe PTSD? new trial targets brain circuit in healthcare workers

NCT ID NCT07164105

Symptom relief Sponsor: Laureate Institute for Brain Research, Inc. 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 24, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study tests whether low-intensity focused ultrasound (LIFU) can calm overactive brain areas linked to PTSD in frontline healthcare workers. Sixty-six participants will receive either real or fake ultrasound to the brain's cingulate cortex. Researchers will measure changes in brain scans, symptoms, sleep, and heart rate to see if the treatment helps.

What this could mean

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

Active substance
low-intensity focused ultrasound (LIFU)
What this could lead to
If it works, this could point toward a non-invasive brain stimulation treatment for PTSD symptoms.
What could go wrong
This is a small, early-phase study with only 66 participants and a single session of treatment. Results may not apply to all PTSD patients, and the effect may be temporary or no better than sham.

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 66 people

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

Started

Dec 2025

Expected to finish

Aug 2028

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

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. Adults in a frontline healthcare position (e.g. emergency medical services) 2. Ages 18-65 years 3. PTSD Checklist for DSM-5 (PCL-5) score ≥ 33 and \< 65, OR at least partial PTSD as measured by the MINI 4. English proficiency as evaluated by language ability during screening Exclusion Criteria: 1. Neurological disorders 2. DSM-5 diagnosis of psychotic disorders, eating disorder, obsessive-compulsive disorder, moderate to severe alcohol or substance use disorder within the past year, bipolar disorder, or major depressive disorder with psychosis 3. Suicidal intent or plan (as measured by Suicide-Risk-Assessment-C-SSRS "Yes" answers to items 3, 4 or 5 of Suicidal Ideation-Past 1 month section, or any "Yes" answer to any of the items of Suicidal Behavior-Past 3 months section), or any suicide attempt in the last 3 months. 4. History of severe traumatic brain injury (as indicated by score ≥ 3 on the Tulsa Head Injury Screen) or of skull fractures 5. Contraindications to MRI as determined by the MR Environment Screening 6. Pregnancy, determined by urine pregnancy test administered prior to every MRI scanning procedure 7. Evidence of inability to comply with study procedures based on experimenter judgement. 8. Change in the dose or prescription of a medication within the 6 weeks before enrolling in the study that could affect brain functioning, e.g., anxiolytics, antipsychotics, antidepressants, benzodiazepines, or mood stabilizers. 9. Non-correctable vision or hearing problems 10. Unstable medical diagnoses 11. Any structural abnormalities in the LIFU target region on screening brain MRI.

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Conditions

The condition(s) this trial relates to.

post-traumatic stress disorder

As listed by the trial registrant

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

PTSD and trauma-related symptoms

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

  • Laureate Institute for Brain Research

    RECRUITING

    Tulsa, Oklahoma, 74136, United States

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