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New oxygen technique aims to prevent low oxygen during uterine surgery

NCT ID NCT07110428

Symptom relief Sponsor: Peking University Shenzhen Hospital 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 This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 tests whether a special oxygen delivery method (supraglottic jet ventilation) can prevent low oxygen levels during hysteroscopic surgery. 100 women will be randomly assigned to receive either standard oxygen via a nasal cannula or the new jet ventilation. The main goal is to see if the new method reduces episodes of dangerously low oxygen.

What this could mean

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

Active substance
supraglottic jet oxygen ventilation (SJOV) via a nasal tube
What this could lead to
If it works, this could offer a safer way to keep oxygen levels stable during hysteroscopic surgery, reducing complications like low oxygen and sore throat.
What could go wrong
This is a small, early-stage study (100 patients) comparing two oxygen methods. Results may not apply to all patients or surgeries, and the technique may not reduce risks as hoped.

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 100 people

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

Started

Jul 2025

Expected to finish

Mar 2026

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 65 years

Sex

Female participants only

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: * Age between 18 and 65 years, with American Society of Anesthesiologists (ASA) I-II； * Body mass index (BMI) between 18 and 28 kg/m²； * Scheduled for elective hysteroscopic surgery under anesthesia * Signed written informed consent exclusion criteria: * Any upper airway abnormalities that may cause difficult airway management, such as limited mouth opening, Mallampati Class ≥ III, and abnormal neck mobility; history of respiratory insufficiency or sleep apnea, with STOP-BANG score \>3; * Chronic alcohol abuse or drug abuse ; * Current use of anticoagulant medications; * Nasal, oropharyngeal infections or other contraindications for nasopharyngeal airway/WNJ insertion, including active rhinitis, recent nasal surgery, epistaxis, nasal polyps, or nasal stenosis; * Allergy to study medications ; * Intraoperative conversion to endotracheal intubation due to expanded surgical scope or participant's withdrawal of consent.

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As listed by the trial registrant

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

Hysteroscopic surgery

How to take part

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  1. The places running it

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  2. The official record

    The full official record for this study. This one lists no contact details, but it is the first place any would appear.

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  3. A doctor treating you

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Contacts and locations

Locations

  • Peking University Shenzhen Hospital

    Guangdong, Shenzhen, 518000, China