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Which ventilation method keeps elderly brains better oxygenated during surgery?

NCT ID NCT07582913

Knowledge-focused Sponsor: Ankara City Hospital Bilkent 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 24, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study looks at two methods of helping elderly patients breathe during the start of anesthesia: manual ventilation by a doctor and mechanical ventilation using a machine. Researchers will measure oxygen levels in the brain and body to see which method works better. The goal is to improve safety for older patients undergoing surgery.

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 help anesthesiologists choose the best ventilation method to maintain oxygen levels in elderly patients during surgery.
What could go wrong
This is a small, early-stage observational study focused on oxygen levels, not on preventing complications or improving long-term outcomes. Results may not apply to all elderly patients.

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

About 106 people

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

Started

May 2026

Expected to finish

Dec 2026

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.

Ages

65 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: * Patients aged 65 years and older. * Patients scheduled to undergo elective surgery requiring endotracheal intubation under general anesthesia. * Patients with an American Society of Anesthesiologists (ASA) physical status of I, II, or III. * Volunteer patients who are willing to participate and provide written informed consent. Exclusion Criteria: * Patients with severe heart failure or severe pulmonary disease. * Patients with a presence or history of brain tumors or cerebrovascular accidents (CVA/stroke). * Patients with impaired cooperation or cognitive dysfunction (e.g., dementia, delirium, Alzheimer's disease). * Patients with a known history or preoperative prediction of a difficult airway. * Patients with a known allergy to the monitoring sensor materials.

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Conditions

The condition(s) this trial relates to.

Respiratory Aspiration

As listed by the trial registrant

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

Cerebral oxygenation Geriatrics Near-infrared spectroscopy Peripheral oxygenation Ventilation

How to take part

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

  1. The places running it

    1 site. 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

  • Ankara Bilkent City Hospital Department of Anesthesiology and Reanimation

    RECRUITING

    Ankara, Çankaya, 06800, Turkey (Türkiye)

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