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CPR breathing secrets: study aims to boost survival after heart stops

NCT ID NCT06809309

Knowledge-focused Sponsor: University of Aarhus 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 26, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study watches how hospital staff give breaths during CPR to adults whose hearts stop. It will measure the rate and volume of breaths and see which levels are linked to restarting the heart and surviving 30 days. The goal is to find the best ventilation approach during CPR.

What this could mean

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

What this could lead to
If successful, this could help doctors know the best way to give breaths during CPR to improve survival after cardiac arrest.
What could go wrong
This is an observational study, not a treatment test. It will show links, not prove what works best. Results may not apply to all 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.

Participants

About 900 people

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

Started

Feb 2025

Expected to finish

Jun 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.

Who is studied

Adult patients receiving ventilation with a bag-valve-mask (BVM) or advanced airway during cardiopulmonary resuscitation for in-hospital cardiac arrest.

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: 1. In-hospital cardiac arrest 2. Age ≥ 18 years 3. \>1minute of recorded ventilation data Exclusion Criteria: 1. Documented do-not-attempt cardiopulmonary resuscitation order 2. Invasive mechanical circulatory support at the time of the cardiac arrest

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Conditions

The condition(s) this trial relates to.

cardiac arrest Respiratory Aspiration

As listed by the trial registrant

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

Cardiac arrest (CA) Heart arrest In-hospital cardiac arrest

How to take part

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

  1. The places running it

    11 sites in 2 countries. 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

  • Aalborg University Hospital

    RECRUITING

    Aalborg, 9000, Denmark

  • Aarhus University Hospital

    RECRUITING

    Aarhus, 8200, Denmark

  • Gødstrup Hospital

    RECRUITING

    Gødstrup, 7400, Denmark

  • Horsens Regional Hospital

    RECRUITING

    Horsens, 8700, Denmark

  • Hospital of Southern Jutland - Aabenraa

    RECRUITING

    Aabenraa, Denmark

  • Hospital of Southwest Jutland - Esbjerg

    RECRUITING

    Esbjerg, 6700, Denmark

  • North Denmark Region Hospital - Hjørring

    RECRUITING

    Hjørring, 9800, Denmark

  • Odense University Hospital

    RECRUITING

    Odense, 5000, Denmark

  • Randers Regional Hospital

    RECRUITING

    Randers, 8930, Denmark

  • St. Olavs Hospital, Trondheim University Hospital

    RECRUITING

    Trondheim, 7006, Norway

  • Viborg Regional Hospital

    RECRUITING

    Viborg, 8800, Denmark

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