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Phone CPR instructions boost bystander action in cardiac arrests

NCT ID NCT02007499

Knowledge-focused Sponsor: Medical College of Wisconsin Source: ClinicalTrials.gov ↗

What the study statuses mean

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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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 whether giving CPR instructions over the phone before help arrives increases the number of bystanders who perform CPR. Researchers tracked 274 adults who had a cardiac arrest outside the hospital. The goal was to see if simple instructions could save more lives.

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

274 people

The number who actually took part.

Started

Jan 2009

Finished

Dec 2013

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

The population of this study will be all patients with OHCA (absence of a detectable pulse, unresponsiveness, and apnea) occurring in the select communities, from January 1, 2009, to December 31, 2013 (five years).

Ages

21 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: * Patients 21 years old or older * Presumed cardiac origin as indicated on the Milwaukee County Emergency Medical Services (MCEMS) report * Non-Emergency Medical Services (EMS) witnessed arrest Exclusion Criteria: * Patients younger than 21 years old * Patients who are "obviously dead" (decomposition, rigor mortis, decapitation, or other) * Trauma victims, including hanging and burns * Patients with cardiac arrests clearly of other non-cardiac origin including drug overdose, carbon monoxide poisoning, drowning, exsanguination, electrocution, asphyxia, hypoxia related to respiratory disease, cerebrovascular accident and documented terminal illness * Patients determined to be a do-not-resuscitate (DNR) upon arrival of Emergency Medical Services (EMS) providers * Cardiopulmonary Resuscitation (CPR) by someone other than Emergency Medical Services (EMS) who is a trained first responder or health care provider with a predetermined duty to provide care.

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Conditions

The condition(s) this trial relates to.

cardiac arrest Death, Sudden, Cardiac Out-of-Hospital Cardiac Arrest sudden arrhythmia death syndrome sudden cardiac arrest

As listed by the trial registrant

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

Cardiac arrest Cardiopulmonary arrest Heart arrest Out-of-hospital cardiac arrest Sudden cardiac death

Contacts and locations

Locations

  • Medical College of Wisconsin

    Milwaukee, Wisconsin, 53226, United States

More trials for these conditions

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