Which choking rescue works best? alberta study tracks real incidents
NCT ID NCT07814690
First seen Sep 11, 2026 · Last updated Sep 11, 2026
Summary
Choking is a life-threatening emergency, and first aid guidelines recommend different techniques for adults, children, and infants. Researchers in Alberta, Canada, are collecting data on choking incidents in people over age 2 to see which interventions, such as back blows, abdominal thrusts, or chest compressions, work best. The study follows patients assessed by paramedics or in emergency departments and tracks whether the obstruction was relieved and how patients recovered.
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 the study identifies which first aid techniques work best, it could sharpen choking guidelines and save lives in those critical first minutes.
- What could go wrong
- This is an observational study, so it can only spot patterns, not prove cause and effect. Bystander reports may be incomplete or inconsistent, and results from Alberta may not apply everywhere.
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
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About 640 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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May 2026
- Expected to finish
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Dec 2030
An estimate. End dates often move.
- Lead sponsor
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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 or children (aged greater than 2 years) who experienced an out-of-hospital FBAO and received a FBAO intervention in Alberta, Canada, and, subsequently, were assessed by EMS or at an emergency department
- Ages
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3 years and older
- Sex
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Anyone
- Healthy volunteers
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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 Hide 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: * Adult or children (aged greater than 2 years) who experienced an out-of-hospital FBAO in Alberta, Canada * Received a FBAO intervention by bystander or healthcare provider * Were assessed by EMS at the time of the incident, or later attended an emergency department due to the incident Exclusion Criteria: \- Patients with abnormal airway anatomy such as a tracheostomy.
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
How to take part
Only the study team decides who joins. These are the ways to reach them.
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The places running it
1 site. The list below names each one and where it is.
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The official record
ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.
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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
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Virtual
RECRUITINGCalgary, Alberta, Canada
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Other studies related to the condition(s) this trial covers.