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Which bed position prevents Post-Surgery oxygen drops? large trial aims to find out

NCT ID NCT07161817

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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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

Summary

This trial will test whether lying on your side (lateral position) or sitting up slightly (semirecumbent position) better prevents low oxygen levels after surgery. About 1200 adults who had general anesthesia will be randomly assigned to one of these positions. Their oxygen levels will be closely monitored for 10 minutes after positioning to see which group has fewer dangerous drops.

What this could mean

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

Active substance
body positioning (semirecumbent or lateral)
What this could lead to
If this trial succeeds, it could establish a simple, low-cost way to prevent dangerously low oxygen levels after surgery, improving recovery for many patients.
What could go wrong
This is a single-center trial that hasn't started recruiting yet. The results may not apply to all surgical patients, and the benefit of one position over the other may be small or nonexistent.

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

About 1,200 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

Oct 2028

An estimate. End dates often move.

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 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 aged 18 or above and 80 or below who received general anesthesia and intubation Exclusion Criteria: Inclusion criteria: \- Patients aged 18 years and above, and 80 years and below, who received general anesthesia and intubation; Exclusion criteria: * Presence of hypotension or bradycardia upon entering the anesthesia recovery room; * Preoperative hypoxemia; * Surgical procedures where body position adjustment is not possible or is prohibited due to the nature of the surgery; * Surgical procedures involving severe cardiovascular or cerebrovascular diseases, severe pulmonary diseases, intracranial hypertension, etc.; * Intubation more than 3 times.

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Conditions

The condition(s) this trial relates to.

Hypoxia

As listed by the trial registrant

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

Position differences Postoperative hypoxemia

How to take part

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  1. 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 ↗

  2. A doctor treating you

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