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Brain oxygen levels during bypass surgery: new insights from patient data

NCT ID NCT07228546

Knowledge-focused Sponsor: Tuna Şahin 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 how a patient's age, health history, and other factors affect brain oxygen levels during coronary artery bypass surgery. Researchers measured brain oxygen using a special light-based device in 80 adults aged 25-80. The goal was to better understand what influences these readings, 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

80 people

The number who actually took part.

Started

May 2025

Finished

Dec 2025

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 coronary artery bypass grafting surgery

Ages

25 to 80 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: * Accepting to participate in the study * Undergoing elective coronary artery bypass grafting surgery * Age 25-80 years Ejection fraction 30% and above Exclusion criteria: * Non volunteers * Age \<25 or \>80 years * Ejection fraction below 30% * Patients with history of neurological disease or neurosurgery * Emergency surgery * Concurrent valve surgery * Patients with history of carotid artery stenosis * Patients with need for preoperative intraaortic balloon pump or inotropic support

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Conditions

The condition(s) this trial relates to.

coronary artery disorder

As listed by the trial registrant

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

Cerebral oxygen saturation

Contacts and locations

Locations

  • Tuna Şahin

    Adana, Yüreğir, 01370, Turkey (Türkiye)

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