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New protocol aims to halve deadly rearrests after cardiac arrest

NCT ID NCT07239908

Disease control Sponsor: Siriraj Hospital Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now This study
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
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 tests a new step-by-step care plan for paramedics to use after an adult's heart is restarted following a cardiac arrest outside the hospital. The plan includes careful monitoring of oxygen, blood pressure, and fluids to prevent the heart from stopping again. About 318 adults will take part, and the goal is to see if the plan reduces rearrests and helps more people survive to leave the hospital.

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

Phase 2/3

Runs two stages together: whether the treatment works, then large-scale confirmation.

Participants

About 318 people

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

Started

Dec 2025

Expected to finish

Dec 2028

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: * Adults aged 18 years or older. * Patients with out-of-hospital cardiac arrest (OHCA) who received resuscitative care from the Siriraj Emergency Medical Services Center (SiEMS). Patients who achieved return of spontaneous circulation (ROSC) prior to hospital arrival. \- Patients subsequently transported to the Emergency Department of Siriraj Hospital for further treatment. Exclusion Criteria: * Suspected traumatic cardiac arrest. * ROSC patients whose legally authorized representative declined vasopressor administration, despite clinical indication according to the prehospital post-resuscitation care protocol. * ROSC patients who had not undergone endotracheal intubation, and whose legally authorized representative declined endotracheal intubation, despite protocol-based indication. * ROSC patients without rearrest whose legally authorized representative declined further blood investigations or additional procedures after arrival at the Emergency Department. * Patients whose legally authorized representative declined participation in the study. * Patients without an available legally authorized representative to provide consent for study participation.

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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 places running it

    1 site. The list below names each one and where it is.

  2. 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 ↗

  3. 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

  • Faculty of Medicine Siriraj Hospital, Mahidol University

    RECRUITING

    Bangkok Noi, Bangkok, 10700, Thailand

More trials for these conditions

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