Could less be more? new trial tests lower epinephrine dose for cardiac arrest
NCT ID NCT07442071
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study looks at whether giving a smaller dose of epinephrine (0.5 mg) during a heart attack outside the hospital helps more people survive with better brain function than the usual dose (1 mg). About 4,336 adults will be randomly assigned to receive either the low or standard dose. The main goal is to see if the lower dose leads to better neurological outcomes 28 days later.
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
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Phase 3
Large-scale testing in a bigger group. Usually the last step before a treatment can be approved.
- Participants
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About 4,336 people
The number the study aims to enrol. It can still change while the study runs.
- Expected to start
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Jun 2026
An estimate. Start dates often move.
- Expected to finish
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Jul 2030
An estimate. End dates often move.
- Lead sponsor
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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
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18 years and older
- Sex
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Anyone
- Healthy volunteers
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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 Hide 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: Male or female, aged ≥18 years. Out-of-hospital cardiac arrest for which resuscitation is decided by the SMUR team. Medical Out-of-hospital cardiac arrest. Affiliated with or beneficiary of a social security plan Exclusion Criteria: * Non-medical Out-of-hospital cardiac arrest (traumatic, drownings, electrocution, asphyxia, overdose, unknown cause). * Out-of-hospital cardiac arrest without advanced life support (Do Not Attempt Resuscitation order, body finding, the decision not to attempt advanced life support is at the physician's discretion). * Pregnant women, birthing or breastfeeding mothers * Adults under legal protection measure (such as guardianship, conservatorship) * Individuals deprived of liberty due to judicial or administrative decision
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
How to take part
Only the study team decides who joins. These are the ways to reach them.
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The places running it
26 sites. The list below names each one and where it is.
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The official record
ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.
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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
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AP-HP Hôpital Necker
Paris, France
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Brigade de Sapeurs-Pompiers de Paris
Courbevoie, France
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CH Annecy
Annecy, France
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CH SUD Francilien
Corbeil-Essonnes, France
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CHRU Nancy
Nancy, France
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CHU Besancon
Besançon, France
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CHU Brest
Brest, France
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CHU Colmar
Colmar, France
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CHU Montpellier
Montpellier, France
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CHU Nice
Nice, France
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CHU Nimes
Nîmes, France
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CHU Poitiers
Poitiers, France
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CHU Rennes
Rennes, France
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CHU Rouen
Rouen, France
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CHU Tours
Tours, France
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Centre Hospitalier Universitaire De Nantes
Nantes, France
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Centre Hospitalier Universitaire De Toulouse
Toulouse, France
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Centre Hospitalier Universitaire Grenoble Alpes
La Tronche, France
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Centre Hospitalier Universitaire Reims
Reims, France
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Centre hospitalier Annecy Genevois Site Julien en GENEVOIS
Saint-Julien-en-Genevois, France
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Centre hospitalier de la Côte Basque
Bayonne, France
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Hopital Beaujon
Paris, France
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Hospices Civils De Lyon
Lyon, France
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La Pitié Salpêtrière
Paris, France
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Raymond Poincaré Hospital
Paris, France
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hôpital Lariboisière
Paris, France
More trials for these conditions
Other studies related to the condition(s) this trial covers.
- How high should blood pressure go after cardiac arrest? trial tests two targets
- Could chilling the body after cardiac arrest save more brains?
- Police learn to spot 'agonal breathing' — a hidden clue to cardiac arrest
- Dispatcher training could boost cardiac arrest survival
- Leg artery tube could help paramedics save cardiac arrest patients
- Could a simple belt save lives in cardiac arrest?