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Which choking rescue works best? mannequin study puts devices to the test

NCT ID NCT06227234

Knowledge-focused Sponsor: University of Calgary 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study tested how well everyday people can use three different choking rescue methods: abdominal thrusts (Heimlich maneuver), the LifeVac device, and the Dechoker device. 132 adults watched short training videos and then tried each technique on a choking mannequin. Researchers measured how quickly each method cleared the airway. The goal is to find out which technique works best for bystanders to use in a real choking emergency.

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 study could help identify the most effective first-aid technique for choking, potentially saving lives.
What could go wrong
This was a simulation study on mannequins, not real choking emergencies. Results may not translate to real-life situations.

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

132 people

The number who actually took part.

Started

Aug 2024

Finished

Dec 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

Accepted

You do not need to have the condition being studied to take part.

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: * All adult laypersons (Aged 18 years or older) * Able to communicate in English (to sign informed consent) * Non- Exclusion Criteria: * Physical disability limiting the performance/use of the interventions * Individuals with healthcare training (e.g., physicians, nurses, paramedics, respiratory therapists or associated students)

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Conditions

The condition(s) this trial relates to.

Airway Obstruction

As listed by the trial registrant

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

Airway obstruction Choking

Contacts and locations

Locations

  • University of Calgary

    Calgary, Alberta, Canada

More trials for these conditions

Other studies related to the condition(s) this trial covers.