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Can a better oxygen mask prevent breathing dips during ERCP?

NCT ID NCT04184089

Symptom relief Sponsor: American University of Beirut Medical Center 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 26, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study looked at whether using a high-flow nasal cannula at different flow rates (15, 30, or 60 liters per minute) could prevent oxygen levels from dropping during ERCP, a procedure to examine the bile ducts. Sixty adults undergoing deep sedation were randomly assigned to one of three flow rates or standard oxygen therapy. The main goal was to see how often oxygen desaturation occurred, along with checking snoring and satisfaction scores.

What this could mean

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

Active substance
High-flow nasal cannula (device)
What this could lead to
If successful, this could help doctors choose the best oxygen flow rate to prevent breathing problems during ERCP procedures.
What could go wrong
This is a small, completed study with only 60 participants, so results may not apply to all patients. It does not test long-term outcomes or cures.

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

60 people

The number who actually took part.

Started

Aug 2020

Finished

Mar 2025

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

Accepted

You do not need to have the condition being studied to take part.

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: 1. Patient able to give consent. 2. Patient undergoing deep sedation. 3. Patient undergoing ERCP procedure with no restrictions on the duration of the procedure. 4. Age \> 18 years 5. Patients with BMI \< 40 kg/m2 Exclusion Criteria: 1. Patient unable to give consent 2. Patient refusal to participate 3. Patients undergoing general anesthesia 4. age less than 18 years old 5. Patients with severe heart failure (EF\<30%) 6. Morbidly obese Patients with BMI \> 40 kg/m2 7. Patients with sleep apnea 8. Claustrophobia 9. Risk of aspiration due to severe reflux 10. Facial injury, facial malformation 11. Nasal defects/obstruction 12. ASA 4 patients

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As listed by the trial registrant

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

High flow nasal cannula Intravenous sedation

Contacts and locations

Locations

  • Christian Rouphael

    Beirut, Lebanon

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