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New ventilator strategy could help obese patients breathe easier

NCT ID NCT07359261

Disease control Sponsor: University of Alberta Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now This study
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
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 method to set breathing machine pressures based on real-time lung measurements in obese patients. Researchers will insert a small balloon tube into the esophagus to measure lung pressure and adjust the ventilator accordingly. The goal is to see if this personalized approach is feasible and may improve oxygen levels and reduce lung injury compared to standard care.

What this could mean

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

Active substance
esophageal pressure-guided PEEP titration (a procedure using a balloon catheter to adjust ventilator settings)
What this could lead to
If successful, this approach could lead to better breathing support for obese patients on ventilators, potentially reducing lung damage and improving recovery.
What could go wrong
This is a small early feasibility study with only 30 participants. The procedure may not improve outcomes, and inserting the catheter carries risks like bleeding or incorrect placement.

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 2

Tests whether the treatment actually works, and watches for side effects, in a larger group.

Participants

About 30 people

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

Started

Feb 2026

Expected to finish

Jan 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 18 years or older * Body mass index ≥30 kg/m² * Intubated and receiving passive mechanical ventilation * Within 24 hours of intubation * Anticipated need for mechanical ventilation for at least 48 hours Exclusion Criteria: * Known or suspected esophageal varices * Esophageal surgery within 3 months * Known esophageal stricture or perforation * Active upper gastrointestinal bleeding * Severe coagulopathy (INR \>3.0 or platelet count \<30,000/μL) * Known or suspected intracranial hypertension without intracranial pressure monitoring device demonstrating controlled intracranial pressure (\<20 mmHg) * Severe hemodynamic instability at treating physician discretion * Known pregnancy * Moribund state with expected survival \<48 hours * Receiving extracorporeal membrane oxygenation (ECMO) * Open abdomen post-operatively * Previous enrollment in this study * Any other contraindication to esophageal balloon placement as determined by clinical team

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Conditions

The condition(s) this trial relates to.

Obesity respiratory failure

As listed by the trial registrant

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

Respiratory failure

How to take part

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

  1. The places running it

    2 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

  • Sturgeon Community Hospital

    RECRUITING

    St. Albert, Alberta, Canada

  • University of Alberta Hospital

    RECRUITING

    Edmonton, Alberta, Canada

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