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Can faster 911 and CPR training double cardiac arrest survival?

NCT ID NCT04660526

Knowledge-focused Sponsor: Duke University 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 This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 27, 2026 · Last updated Jul 17, 2026 · Updated 2 times

Summary

This large trial tests whether a coordinated community approach can improve survival and brain function after cardiac arrest. The plan includes faster 911 dispatch, CPR instructions over the phone, public CPR and AED training, and better first responder performance. About 20,000 patients across 50 North Carolina counties will be studied over 4 years.

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 show that community-wide training and faster emergency response save more lives after cardiac arrest.
What could go wrong
This is a real-world trial, not a controlled lab study, so results may vary by community. It tests a system, not a drug, so improvements may be modest.

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

About 20,000 people

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

Started

Jul 2022

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.

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: * OHCA of non-traumatic etiology * Patients who are pulseless on arrival of a first responder; or patients who become pulseless in the presence of a first responder; OR patients who have a pulse on arrival of EMS, where a successful defibrillation was previously administered by a bystander or first responder. Exclusion Criteria: * Untreated cardiac arrests, including arrests in which resuscitation efforts are not initiated or are terminated immediately upon arrival of EMS because the patient is not a viable candidate for resuscitation due to: 1. injuries incompatible with life, 2. the presence of rigor mortis or lividity, 3. signs of decomposition, or 4. the presence of a valid DNR. * Private EMS transport that did not involve 911 dispatch (example: interfacility transport between nursing home and hospital). * Arrest of clear and obvious traumatic etiology * Bystander suspected cardiac arrest, where ROSC was achieved without the need for defibrillation or first responder CPR

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Conditions

The condition(s) this trial relates to.

cardiac arrest Out-of-Hospital Cardiac Arrest

As listed by the trial registrant

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

Cardiac arrest

Contacts and locations

Locations

  • Duke

    Durham, North Carolina, 27705, United States

More trials for these conditions

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