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Smart oxygen monitoring may reduce lung injury during surgery

NCT ID NCT07359833

Knowledge-focused Sponsor: Gazi University Source: ClinicalTrials.gov ↗

What the study statuses mean

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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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 tested a new monitoring tool called the Oxygen Reserve Index (ORi) to help doctors give just the right amount of oxygen during lung surgery. Sixty adults having lung surgery with one-lung ventilation were randomly assigned to either ORi-guided oxygen management or standard care. The goal was to see if ORi guidance could lower oxygen exposure and reduce markers of oxidative stress and postoperative complications.

What this could mean

Our plain-language read of the trial. This is informational only, not medical advice or a prediction.

Active substance
Oxygen Reserve Index (ORi)-guided oxygen titration (device)
What this could lead to
If successful, this approach could help reduce oxygen-related lung injury during lung surgery, potentially leading to fewer breathing complications after surgery.
What could go wrong
This is a small, completed study with only 60 participants. The findings may not apply to all patients or surgeries, and the benefits of ORi guidance remain uncertain without larger trials.

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

60 people

The number who actually took part.

Started

Aug 2022

Finished

Aug 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.

Ages

18 to 85 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 age between 18-85 years Elective case Thoracic surgeries performed with one-lung ventilation using a double-lumen endotracheal tube Left ventricule ejection fraction(LVEF)\>45% Exclusion Criteria: * heart failure (LVEF) \< 45% severe valvular disease admission as an emergency case history of prior lung resection presence of peripheral arterial disease.

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Conditions

The condition(s) this trial relates to.

Hyperoxia

As listed by the trial registrant

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

One lung ventilation in thoracic surgery

Contacts and locations

Locations

  • Gazi University

    Ankara, 06560, Turkey (Türkiye)

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