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Oxygen levels tracked in organ donation study

NCT ID NCT06780722

Knowledge-focused Sponsor: Nantes University 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 observes 50 adult organ donors to measure oxygen levels in the blood when the heart stops during a Maastricht III donation procedure. Researchers take blood samples at key moments to understand how low oxygen gets. The goal is to gather knowledge, not to test a treatment.

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 study could provide better data on oxygen levels during organ donation, potentially improving donation procedures.
What could go wrong
This is a small observational study (50 participants) that only measures existing events, not testing a new treatment. Results may not apply broadly.

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.

Participants

About 50 people

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

Started

Dec 2025

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.

Who is studied

Patients who may be candidates for an organ donation procedure in the event of death in intensive care following the implementation of a procedure to discontinue active therapies.

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.

FOR THE DONORS : Inclusion Criteria : * Patient over 18 years of age * Organ donation procedure initiated in accordance with the legislation and procedures in force in France for the Maastricht III category * No opposition formulated by the relative to the patient's participation in the study Exclusion Criteria : * Patient registered on the national register of refusals or living refusal of donation * Pregnant or breast-feeding women * Patients under guardianship, curatorship or legal protection * Medical contraindication to organ donation according to the recommendations of the Agence de Biomédecine currently in force in France FOR THE RECEIVER Inclusion Criteria : * No opposition to the collection of data concerning him/her * Patient over 18 at pre-transplant consultation * Patient who has received an organ from a donor participating in the HEPHAISTOS protocol Exclusion Criteria : \- Patients under guardianship, curatorship or legal protection

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Conditions

The condition(s) this trial relates to.

cardiac arrest

As listed by the trial registrant

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

Cardiac arrest Reanimation

How to take part

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

  1. The places running it

    12 sites. 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

  • CH ANNECY GENEVOIS - Réanimation médicale - Coordination Prélèvements multi-organes

    RECRUITING

    Annecy, France

  • CH AVIGNON - CH Henri Duffaut - Réanimation polyvalente

    RECRUITING

    Avignon, France

  • CHBA Vannes-Auray - Réanimation Polyvalente

    RECRUITING

    Vannes, France

  • CHD Vendée - Les Oudairies - Médecine Intensive Réanimation

    RECRUITING

    La Roche-sur-Yon, France

  • CHRU ORLEANS -Médecine Intensive Réanimation - Coordination Prélèvements multi-organes

    RECRUITING

    Orléans, France

  • CHRU TOURS - Hôpital Bretonneau - Médecine Intensive Réanimation

    RECRUITING

    Tours, France

  • CHU ANGERS - Réanimation médicale

    RECRUITING

    Angers, France

  • CHU LILLE - Hôpital Roger Salengro - Médecine Intensive Réanimation

    RECRUITING

    Lille, France

  • CHU NANTES +- Médecine Intensive Réanimation

    RECRUITING

    Nantes, France

  • CHU POITIERS - Anesthésie Réanimation - Coordination Prélèvements multi-organes

    NOT_YET_RECRUITING

    Poitiers, France

  • CHU RENNES - CHU Pontchaillou - Réanimation médicale

    RECRUITING

    Rennes, France

  • CHU de Nantes - Hôpital Laennec

    RECRUITING

    Nantes, France

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