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Can a smart CPR device and better relay timing save more lives?

NCT ID NCT03817892

Knowledge-focused Sponsor: University Hospital, Caen 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
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 This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 27, 2026 · Last updated Jun 27, 2026

Summary

This study looked at two ways to improve CPR during cardiac arrest: changing how often rescuers switch (every 2 vs. 4 minutes) and using a device called CPRmeter that gives real-time feedback on chest compressions. Researchers measured the quality of compressions in 51 patients. The goal is to find the best approach to keep blood flowing and 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
CPRmeter feedback device
What this could lead to
If successful, this could lead to better CPR guidelines that improve survival from cardiac arrest.
What could go wrong
This is a completed study with only 51 participants, so results may not apply to all real-world settings. The device's benefit seen in manikins may not translate to actual patients.

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

51 people

The number who actually took part.

Started

Dec 2019

Finished

Aug 2025

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: * Major person * Victim of a cardiorespiratory arrest * Eligible for inclusion procedure in immediate life emergency * Affiliated to the social security system Exclusion Criteria: * Minor person. * Pregnant woman over 6 months old or breastfeeding. * Known incurable disease. * Palliative care in progress. * Decision not to resuscitate from the patient (anticipated directives) or from the medical team. * Traumatic cardiac arrest. * Impossibility or contraindication to the use of the External Chest Compression guidance system.

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Conditions

The condition(s) this trial relates to.

cardiac arrest

As listed by the trial registrant

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

Cardiac arrest Cardiopulmonary resuscitation

Contacts and locations

Locations

  • Hospital Eure-Seine Evreux

    Évreux, 27015, France

  • Hospital of Cherbourg - Louis Pasteur

    Cherbourg, 50100, France

  • Hospital of Elbeuf Louviers Val de Reuil

    Elbeuf, 76503, France

  • Hospital of Le Havre -

    Le Havre, 76290, France

  • Hospital of Lisieux - Robert Bisson

    Lisieux, 14100, France

  • Hospital of Valenciennes

    Valenciennes, 59300, France

  • University Hospital of Amiens

    Amiens, 80080, France

  • University Hospital of Caen

    Caen, Normandy, 14033, France

  • University Hospital of Lille

    Lille, 59000, France

  • University Hospital of Lyon

    Lyon, 69003, France

  • University Hospital of Rouen

    Rouen, 76000, France

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