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New oxygen method may prevent dangerous drops during ERCP

NCT ID NCT07637721

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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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

Summary

This study tests a special oxygen tube placed in the mouth during a procedure called ERCP, which is used to treat bile duct and pancreas problems. The goal is to see if this method can prevent low oxygen levels that often happen when patients are deeply sedated. About 410 adults will take part. The approach is less invasive than putting a breathing tube into the windpipe.

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 410 people

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

Expected to start

Jun 2026

An estimate. Start dates often move.

Expected to finish

Dec 2027

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 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: * Age≥18years * The ASA classification ranges from I to III * Patients have signed the informed consent form * Patients scheduled to undergo sedated ERCP examination procedure Exclusion Criteria: * Severe cardiac dysfunction (\<4 METs); * Diagnosed chronic obstructive pulmonary disease (COPD) or other acute/chronic pulmonary diseases requiring long-term/intermittent oxygen therapy; * Upper respiratory tract infections including oral, nasal or pharyngeal infections; * Fever (core temperature \>37.5°C); * Confirmed pregnancy or current breastfeeding; * Hypersensitivity to sedative drugs such as propofol; * Current participation in other clinical trials;

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Conditions

The condition(s) this trial relates to.

cholelithiasis Hypoxia obstructive jaundice pancreatitis

As listed by the trial registrant

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

Choledocholithiasis with cholecystitis with obstruction Cholelithiasis Obstructive jaundice Pancreatitis

How to take part

Only the study team decides who joins. These are the ways to reach them.

  1. The places running it

    3 sites. 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

  • Shulan (Hangzhou) Hospital

    Hangzhou, Zhejiang, 310011, China

  • The First Affiliated Hospital, Zhejiang University School of Medicine

    Hangzhou, Zhejiang, 310000, China

  • Tianjin Nankai Hospital, Tianjin Medical University

    Tianjin, Tianjin Municipality, 300100, China

More trials for these conditions

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