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Morning or afternoon? new study tests best time for heart surgery

NCT ID NCT02812901

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 This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 looked at whether the time of day a person has heart surgery changes how their heart muscle tolerates the stress of the procedure. Researchers took small tissue samples from the hearts of 88 patients having planned heart surgery, either in the morning or afternoon. They then tested these samples in the lab to see how much damage occurred when blood flow was temporarily stopped and then restored, mimicking what happens during surgery.

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

Not a phased trial

Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.

Participants

88 people

The number who actually took part.

Started

Jan 2016

Finished

Jul 2017

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: * Patient scheduled for coronary artery bypass graft surgery and/or aortic valve replacement with extra-corporeal circulation * Patient in sinus rhythm at the time of surgery * Patient older than 18 * Patient able to understand the information and consent forms Exclusion Criteria: * Medical history of type 2 diabetes, atrial fibrillation or use of class III anti-arhythmic drug * left ventricle ejection fraction \< 40% * Pregnancy * Patient in emergency condition

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Conditions

The condition(s) this trial relates to.

aortic valve stenosis coronary artery disorder ischemia reperfusion injury myocardial ischemia

As listed by the trial registrant

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

Myocardial ischemia Reperfusion injury

Contacts and locations

Locations

  • Lille University Hospital

    Lille, 59000, France

More trials for these conditions

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