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New monitoring method tested for brain death diagnosis

NCT ID NCT06983990

Knowledge-focused Sponsor: Bursa Yuksek Ihtisas Training and Research Hospital 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 25, 2026 · Last updated Jun 27, 2026 · Updated 2 times

Summary

This completed study looked at 35 patients undergoing apnea testing for brain death. Researchers checked if non-invasive oxygen and carbon dioxide monitors could give the same information as standard blood tests. The goal was to see if these simpler methods could be used instead of repeated blood draws.

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

35 people

The number who actually took part.

Started

Jul 2023

Finished

Jun 2025

Lead sponsor

A government agency

The lead sponsor is a government body.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Who is studied

The study will include adult patients (aged 18 and over) who are being monitored in the intensive care units of the University of Health Sciences Bursa Yuksek Ihtisas Training and Research Hospital and are suspected of brain death, for whom an apnea test has been scheduled by their physician as part of the brain death diagnosis process. The study population will consist of patients who meet the inclusion criteria and for whom written informed consent has been obtained from a legally authorized representative. Patients whose first-degree relatives have declined participation, and those in whom the Oxygen Reserve Index (ORI) probe cannot be used due to circulatory disorders in the extremities, will be excluded from the study.

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: * Patients who meet all the prerequisites for initiating the brain death diagnosis process and for whom the decision to perform the apnea test for diagnosis of brain death. * Patients aged 18 years or older. * Patients who have provided verbal and written consent from their first-degree relatives. Exclusion Criteria: * Patients whose first-degree relatives do not consent to participation in the study. * Patients in whom the ORI probe cannot be used due to circulatory disturbances in the extremities

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Conditions

The condition(s) this trial relates to.

Brain Death Hyperoxia Hypoxia

As listed by the trial registrant

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

Brain death

Contacts and locations

Locations

  • Health Sciences University Bursa Yüksek İhtisas Training and Research Hospital

    Bursa, Turkey (Türkiye)

More trials for these conditions

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