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Breathe away trauma: simple breathing drill may stop PTSD

NCT ID NCT04701723

Prevention Sponsor: Centre Hospitalier Universitaire de la Réunion 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 pilot study tests whether a breathing technique called cardiac coherence can prevent chronic PTSD in people who recently experienced a traumatic event. 44 participants with acute stress disorder will practice the breathing exercises for 3 months. The goal is to see if this simple, drug-free method can stop PTSD from developing.

What this could mean

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

Active substance
cardiac coherence breathing training
What this could lead to
If it works, this could offer a simple, drug-free way to prevent chronic PTSD after trauma.
What could go wrong
This is a very small pilot study (44 people) with no control group, so results may not be conclusive. The intervention is also early-stage and may not work for 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

About 44 people

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

Started

Jul 2021

Expected to finish

May 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 years and older

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: * patients seen at medico-psychological emergency cell * patients with an acute stress disorder, diagnosed by DSM-5 * patients who have experienced a potentially traumatic event for the last 3-15 days (vctim or witness) * patients able to read and write in French language * person affiliated or beneficiary of a social security scheme. * person who agrees to participate in the study Exclusion Criteria: * patients with respiratory pathology not allowing cardiac coherence training * patients currently practicing a regular respiratory control technique or within the last 6 months * patients taking beta-blocker, betamimetic, anti-arrhythmic, opioid, antidepressant * patients with a pacemaker or suffering from severe cardiac illness * patients with non-stabilized psychiatric disorder at inclusion * patient taking benzodiazepine unable to wean off in the week following the inclusion * patients with addiction * patients with a cognitive deficit * patients under guardianship or curatorship, under judicial supervision

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Conditions

The condition(s) this trial relates to.

acute stress disorder post-traumatic stress disorder prevention target

As listed by the trial registrant

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

Post-traumatic stress disorder

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

  • Etablissement Public de Santé Mentale de La Réunion

    RECRUITING

    Saint-Paul, 97460, Reunion

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