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Pocket-Sized defibrillators for volunteers could revolutionize cardiac arrest response

NCT ID NCT07042061

Disease control Sponsor: Singapore General Hospital 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 This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 27, 2026 · Last updated Jun 27, 2026

Summary

This study looks at whether giving volunteer community responders a small, portable defibrillator (about the size of a chocolate bar) helps them treat people having a cardiac arrest outside the hospital. Around 1,000 volunteers in Singapore will carry the device for up to a year and use it if alerted to a nearby cardiac arrest. The main goal is to see if this approach is practical and acceptable, and whether it leads to more people being shocked with a defibrillator sooner.

What this could mean

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

Active substance
mobile external automated defibrillator (mAED)
What this could lead to
If it works, this could show that equipping community volunteers with a small, portable defibrillator helps more cardiac arrest patients get shocked faster, potentially saving more lives.
What could go wrong
This is a feasibility study, not a large-scale effectiveness trial. It is too early to know if the approach actually improves survival. Volunteers may face challenges carrying the device or reaching the scene in time.

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 1,000 people

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

Expected to start

May 2026

An estimate. Start dates often move.

Expected to finish

Jan 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

21 to 74 years

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.

1.1. Inclusion Criteria Study participants must meet all the inclusion criteria to participate in this study: 1. Must be proficient in English. Able to read and understand English fluently. 2. Be aged 21-74 years of age at point of recruitment. 3. Willing and able to move rapidly to a scene that can be 400 meters away from their location. 4. Be a registered CFR with SCDF. 5. Must be active myResponder® mobile phone app user so they can receive alerts about nearby OHCA cases. 1.2. Exclusion Criteria All subjects meeting any of the following exclusion criteria will be excluded from participation in this study. 1. Not proficient in English. Cannot read and understand English. 2. Aged less than 21 and over 74 years of age. 3. Not willing to be a myResponder app user. 4. Not able to move rapidly to a scene that can be 400 meters away from their location. 5. Given the short duration of the trial, those who are pregnant will be ineligible. 6. Those experiencing any serious physical injury or handicap and those with obvious mental handicap.

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Conditions

The condition(s) this trial relates to.

cardiac arrest Out-of-Hospital Cardiac Arrest sudden cardiac arrest

As listed by the trial registrant

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

Out-of-hospital cardiac arrest (OHCA)

How to take part

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

  1. 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 ↗

  2. 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.

More trials for these conditions

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