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Can a gentle nasal breeze keep lungs safe after surgery?

NCT ID NCT01887015

Prevention Sponsor: University Hospital, Clermont-Ferrand 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Aug 03, 2026 · Last updated Aug 04, 2026 · Updated 1 time

Summary

This trial asks whether giving patients a steady stream of warm, moist oxygen through a nasal tube right after abdominal surgery can prevent low blood oxygen levels, a common and serious complication. It enrolls adults at intermediate to high risk of lung problems who are having abdominal surgery lasting at least two hours. Half receive the nasal high-flow oxygen, and half receive standard oxygen therapy, with the goal of seeing which approach better keeps oxygen levels in a safe range.

What this could mean

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

Active substance
Nasal high flow oxygen therapy delivered through a heated, humidified cannula
What this could lead to
If effective, this simple breathing support could become a standard way to prevent dangerous drops in blood oxygen after abdominal surgery, reducing complications and speeding recovery.
What could go wrong
This is a mid-stage trial, and results may not apply to all patients. The therapy may not reduce hypoxemia enough to matter, and some people may find the nasal cannula uncomfortable.

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

220 people

The number who actually took part.

Start date

Jun 2013

Finished

Mar 2015

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

19 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: * Planned or unplanned surgical procedures * Abdominal or abdominal and thoracic surgery * Expected duration ≥2 hours * ARISCAT score ≥26 points Exclusion Criteria: * Age \<18 years * Body mass index \>35 kg/m2 * Sleep apnea syndrome * Patient refusal * Pregnancy and/or lactation

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As listed by the trial registrant

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

Postoperative hypoxemia

Contacts and locations

Locations

  • CHU Clermont-Ferrand

    Clermont-Ferrand, 63003, France

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