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Could better phone training save more cardiac arrest victims?

NCT ID NCT07776990

Disease control Sponsor: University Hospital, Grenoble 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Aug 20, 2026 · Last updated Aug 21, 2026 · Updated 1 time

Summary

This trial tests whether a communication training program for emergency dispatchers can help them recognize cardiac arrest over the phone and guide callers to start CPR faster. The study involves about 987 adults who experience cardiac arrest outside of a hospital and call the SAMU-Centre 15 emergency line. The goal is to see if the training increases the number of cases where CPR instructions are given within 90 seconds, which could improve survival chances.

What this could mean

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

Active substance
A communication training program for emergency medical dispatchers, including standardized scripts and techniques for handling difficult calls
What this could lead to
If effective, this training could help dispatchers recognize cardiac arrest faster and guide bystanders to start CPR sooner, potentially improving survival rates.
What could go wrong
The trial is early and results may not show a clear benefit. Training effects can vary, and the outcome depends on many real-world factors beyond dispatcher communication.

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 987 people

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

Expected to start

Oct 2026

An estimate. Start dates often move.

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 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: * Out-of-hospital cardiac arrest of presumed medical origin in an adult patient diagnosed during the phone call to the 15 emergency dispatch center Non Inclusion Criteria: * Minor patients, * Calls initially handled by another emergency call center or a healthcare professional, * Calls regarding cardiac arrest for which CPR has already been initiated at the time the call is made to the 15 center, * Obvious or known pregnancy at the time of enrollment. * Persons protected under Articles L1121-6 and L1121-8 of the Public Health Code (CSP).

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Conditions

The condition(s) this trial relates to.

cardiac arrest sudden cardiac arrest

As listed by the trial registrant

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

Cardiac arrest (CA)

How to take part

Only the study team decides who joins. These are the ways to reach them.

  1. The places running it

    10 sites. 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

  • CH Annecy-Genevois

    Annecy, France

  • CH Métropole Savoie- Chambéry

    Chambéry, France

  • CH Vendée

    La Roche-sur-Yon, France

  • CHRU Nancy

    Nancy, France

  • CHU Bordeaux

    Bordeaux, France

  • CHU Nantes

    Nantes, France

  • CHU Rennes

    Rennes, France

  • CHU Rouen

    Rouen, France

  • CHU Toulouse

    Toulouse, France

  • Hospices Civils de Lyon - HEH

    Lyon, France

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