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Study tests whether standard formulas accurately place breathing tubes in turkish patients

NCT ID NCT07191002

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 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study looks at 30 patients having lung surgery to see if six common formulas correctly predict how deep a double-lumen breathing tube should go. Doctors will use their usual methods and check placement with a camera. The goal is to improve safety and reduce complications like tube misplacement.

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 could lead to a more reliable formula for placing breathing tubes during lung surgery, reducing complications.
What could go wrong
This is a small, early observational study with only 30 participants, so results may not apply to all patients or settings.

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 30 people

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

Started

Sep 2025

Expected to finish

Mar 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

The study will begin prospectively after obtaining approval from the ethics committee and will be completed once the target number of patients has been reached. The study population will consist of patients aged 18-80 years who will undergo thoracic surgery at the operating rooms of the Department of Anesthesiology and Reanimation, Ankara Atatürk Sanatorium Training and Research Hospital.

Ages

18 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: * Patients older than 18 and younger than 80 years * Patients who will undergo surgery under general anesthesia and be intubated with a left DLT * Patients with an American Society of Anesthesiologists (ASA) score of I-II-III * Patients with a body mass index (BMI) between 18-40 kg/m² * Patients who provide informed consent Exclusion Criteria: * Patients requiring right DLT placement * Patients with ASA score IV and above * Patients intubated with a single-lumen tube * Patients in whom lung isolation will be achieved with a method other than DLT * Emergency cases * Patients younger than 18 or older than 80 years

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As listed by the trial registrant

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

Double-lumen tube One-lung ventilation (OLV) Thoracic anesthesia Tube placement depth

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 Sanatorium Training and Research Hospital, Ankara, 06280

    RECRUITING

    Ankara, Turkey (Türkiye)

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