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Oxygen dosing during surgery may reduce lung complications

NCT ID NCT06013098

Disease control Sponsor: China Medical University, China 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 27, 2026 · Last updated Jun 27, 2026

Summary

This study looked at whether using different oxygen concentrations during and after esophageal cancer surgery could lower the risk of lung collapse (atelectasis). 65 patients were randomly assigned to receive either 30% or 60% oxygen during two-lung ventilation. The main goal was to see how often lung collapse occurred after surgery, measured by CT scan. The results could help guide oxygen use in the operating room.

What this could mean

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

Active substance
oxygen
What this could lead to
If successful, this could help doctors choose the best oxygen levels during surgery to reduce lung problems after esophageal cancer removal.
What could go wrong
This is a small, completed Phase 4 trial with only 65 participants. Results may not apply to all patients or surgeries, and the benefit may be small.

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

Phase 4

Runs after approval, following long-term safety and how well the treatment works in everyday use.

Participants

65 people

The number who actually took part.

Started

Sep 2023

Finished

Mar 2026

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 75 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: * American Association of Anesthesiologists (ASA) patients with I-II physical condition; * Patients with preoperative partial pressure of blood gas and oxygen greater than 80mmHg who were scheduled for elective esophageal cancer surgery were operated in the right lateral position first and then in the supine position. Exclusion Criteria: * there is a history of acute lung injury with acute respiratory distress syndrome within three months; * Heart failure (classified by new york Heart Association) is greater than grade IV, * there is a serious liver and kidney dysfunction (children with grade B or C liver failure, glomerular filtration rate \< 30 ml/min); * Body mass index \> 30kg/m2； * coagulation dysfunction; * Operation time exceeds 10h * The amount of bleeding is more than 800ml, and the total fluid volume is more than 3000ml.

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Conditions

The condition(s) this trial relates to.

esophageal cancer Pulmonary Atelectasis

As listed by the trial registrant

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

Atelectasis, postoperative

Contacts and locations

Locations

  • the First Hospital of China Medical University

    Shenyang, Liaoning, 110001, China

More trials for these conditions

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