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Heart surgery oxygen study halted after just 6 patients

NCT ID NCT05984563

Knowledge-focused Sponsor: University Hospital, Lille 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 Results may not be published yet.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 This study
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This status has not been confirmed recently, so it may be out of date.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 aimed to understand how oxygen delivery changes during heart surgery when a heart-lung machine is used. Researchers wanted to create a computer model to help doctors personalize oxygen levels for each patient, potentially reducing complications like kidney injury. Only 6 adults scheduled for elective heart surgery took part before the study was stopped early. The goal was to gather data, not to test a new treatment.

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

6 people

The number who actually took part.

Started

Oct 2023

Finished

Nov 2023

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 undergoing elective cardiac surgery under CPB at the university hospital of Lille, France

Ages

18 to 100 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.

Inclusion Criteria: * Patients aged over 18 * Patients scheduled for elective cardiac surgery under CPB at the university hospital of Lille, France * Patients with given written consent * Patient insured under the French social security system Exclusion Criteria: * Pregnant or breastfeeding * Off pump cardiac surgery * Lack of DO2 monitoring * Emergency surgery (infectious endocarditis, aortic dissection, cardiac transplantation, LVAD implantation) Uncontrolled sepsis

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Conditions

The condition(s) this trial relates to.

acute kidney injury

As listed by the trial registrant

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

Cardiac surgery

Contacts and locations

Locations

  • chu de Lille

    Lille, France

More trials for these conditions

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