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Could a simple belt save lives in cardiac arrest?

NCT ID NCT07573566

Disease control Sponsor: Klinikum Klagenfurt am Wörthersee 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 This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 study tests whether an external abdominal tourniquet can temporarily block blood flow to the lower body during cardiac arrest, redirecting it to the brain and heart. Researchers will try it on 5 adults with non-traumatic cardiac arrest outside a hospital. The goal is to see if the device can be applied quickly and whether it improves oxygen delivery to vital organs.

What this could mean

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

Active substance
Abdominal aortic tourniquet (external device)
What this could lead to
If it works, this could offer a simple, low-cost way to improve blood flow to the brain and heart during cardiac arrest, potentially increasing survival chances.
What could go wrong
This is a very early, tiny study (only 5 participants) with no control group. It only tests feasibility, not whether it actually saves lives. Risks include device complications or delays in standard care.

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 5 people

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

Expected to start

Aug 2026

An estimate. Start dates often move.

Expected to finish

Sep 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: * Cardiac arrest with indication for initiation of resuscitation * Age ≥ 18 years Exclusion Criteria: * Pregnancy (suspected or confirmed) * Age \< 18 years * Abdominal circumference does not allow application of the AAJT * Traumatic etiology * Planned eCPR or other intervention in which study inclusion would delay the standard of care * Known abdominal aortic aneurysm

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Conditions

The condition(s) this trial relates to.

cardiac arrest Out-of-Hospital Cardiac Arrest sudden cardiac arrest ventricular fibrillation

As listed by the trial registrant

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

Asystole Cardiac arrest (CA) Out-of-hospital cardiac arrest (OHCA) Pulseless electrical activity Ventricular fibrillation

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

  • Klinikum Klagenfurt am Wörthersee

    Klagenfurt, Carinthia, 9020, Austria

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