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Potassium shot for stubborn heart stopped before it started

NCT ID NCT04316611

Disease control Sponsor: Assistance Publique - Hôpitaux de Paris 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
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 Results may not be published yet.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 This study
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This status has not been confirmed recently, so it may be out of date.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 planned to test whether a direct injection of potassium chloride could help people whose hearts had stopped and were not responding to standard shocks. The trial was withdrawn before any patients were enrolled, so no results are available.

What this could mean

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

Active substance
potassium chloride

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

Tests whether the treatment actually works, and watches for side effects, in a larger group.

Expected to start

Dec 2023

An estimate. Start dates often move.

Expected to finish

Dec 2024

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: * Adult patient (age 18 or over). * Patient suffering from an outpatient cardiac arrest of presumed cardiac origin and presenting refractory ventricular fibrillation despite 3 external electric shocks. * Patient with a health insurance plan. Exclusion Criteria: * Proven pregnancy. * Major incompetent (patient under guardianship or curatorship). * Patient who does not yet have a functional venous pathway after the 3 external electric shocks have been performed.

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Conditions

The condition(s) this trial relates to.

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

As listed by the trial registrant

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

Out-of-hospital cardiac arrest (OHCA)

Contacts and locations

Locations

  • AP-HP - SAMU de Paris

    Paris, 75015, France

More trials for these conditions

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