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New study tests vibration and breath focus to quiet dissociation

NCT ID NCT04670640

Symptom relief Sponsor: Emory University 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 gentle chest vibration or breath focus exercises can reduce symptoms of dissociation in people who have experienced trauma. Researchers will measure changes in brain activity and self-reported symptoms over 8 sessions. The goal is to understand if these simple body-focused techniques can help people feel more connected to themselves and their surroundings.

What this could mean

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

Active substance
chest vibration device and breath focus exercises
What this could lead to
If it works, this could point toward a simple, drug-free way to ease dissociation symptoms in people who have experienced trauma.
What could go wrong
This is an early mechanistic study, not a large treatment trial. The interventions are brief (8 sessions) and may not produce lasting change. Results may not apply to everyone with dissociation.

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 350 people

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

Started

Sep 2021

Expected to finish

Mar 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 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: * experience of at least one Diagnostic and Statistical Manual of Mental Disorders (DSM-5) Criterion A trauma (assessed using the Life Events Checklist) * a score of 7 or higher on the Multiscale Dissociation Inventory (MDI) depersonalization subscale * willingness to participate in the study Exclusion Criteria: * actively psychotic and cognitively compromised individuals (assessed using the Moderate-severe cognitive impairment screening tool (MoCA) will be excluded * moderate or more severe substance dependence (assessed with the MINI) * persons with imminent risk of physical violence to self or others

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Conditions

The condition(s) this trial relates to.

dissociative disorder injury post-traumatic stress disorder

As listed by the trial registrant

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

Dissociation

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

  • Grady Hospital

    RECRUITING

    Atlanta, Georgia, 30303, United States

  • Western Psychiatric Institute and Clinic

    COMPLETED

    Pittsburgh, Pennsylvania, 15213, United States

More trials for these conditions

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