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New study seeks easier way to monitor oxygen during lung surgery

NCT ID NCT07381517

Knowledge-focused Sponsor: Ankara Ataturk Sanatorium Training and Research Hospital 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 This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 27, 2026 · Last updated Jun 27, 2026

Summary

This study will observe 51 adults undergoing lung surgery that requires one lung to be deflated. Researchers want to see if a non-invasive oxygen monitor (placed on the skin) can give the same information as a blood test about how well the lungs are working. No extra treatments or procedures will be given—just standard care. The goal is to find a simpler way to monitor oxygen levels 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.

Participants

About 51 people

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

Expected to start

Feb 2026

An estimate. Start dates often move.

Expected to finish

Aug 2026

An estimate. End dates often move.

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

Adult patients aged 18 years and older with ASA physical status I-III who are scheduled for elective thoracic surgery requiring intraoperative one-lung ventilation for at least one hour. All participants undergo standard perioperative management with simultaneous arterial blood gas analysis and continuous pulse oximetry monitoring during surgery.

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 aged 18 years and older * Patients classified as ASA physical status I-III * Patients scheduled for elective thoracic surgery requiring one-lung ventilation for at least 1 hour intraoperatively * Patients in whom simultaneous arterial blood gas analysis and continuous SpO₂ monitoring can be performed * Patients who have provided written informed consent Exclusion Criteria: * Patients undergoing emergency surgery * Patients younger than 18 years of age * Patients classified as ASA physical status IV or higher * Patients with a history of previous thoracic surgery * Patients with a body mass index (BMI) \>40 kg/m² or \<18 kg/m² * Patients with advanced chronic lung disease (COPD stage III-IV) * Patients with New York Heart Association (NYHA) class III-IV heart failure * Patients undergoing surgery due to pleural effusion

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As listed by the trial registrant

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

One-lung ventilation (OLV)

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 Ataturk Sanatoryum Education and Research Hospital

    Ankara, 06290, Turkey (Türkiye)

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