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Ventilator showdown: which mode helps ICU patients breathe better?

NCT ID NCT06140056

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
The trial has finished. Results may not be published yet.
Stopped early This study
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This status has not been confirmed recently, so it may be out of date.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 26, 2026

Summary

This study looked at two different ways to use a breathing machine (ventilator) for patients in the intensive care unit who have dangerously low oxygen levels. The goal was to measure pressure inside the lungs with each method to see which might be safer or more effective. The study was small and ended early, so it mainly provides insights for future research.

What this could mean

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

What this could lead to
If successful, this could help doctors choose better ventilator settings for patients with breathing failure.
What could go wrong
This is a small, early feasibility study that was terminated, so results may be limited and not generalizable.

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

45 people

The number who actually took part.

Started

Dec 2023

Finished

Sep 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

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: * Admitted to the ICU * Invasive mechanical ventilation with FiO2 ≥ 50% OR PaO2-to-FiO2 ratio \<20 kPa, including PEEP 3 5 cmH20 for at least 6 hours Exclusion Criteria: * Meeting inclusion criteria for more than 24 hours * Severe bronchospasm, defined as warranting treatment aimed at reversing this i.e. inhalation of anticholinergic or bronchodilator beyond what the patient normally use * Emphysema where treating physician judges the patient at increased risk for pneumothorax from APRV * Restrictive lung disease defined as a pre-admission diagnosis of restrictive lung disease * Undrained pneumothorax * Hemodynamic instability defined as more than 0.20 microgram/kg/min of norepinephrine or any dose of adrenaline infusion to maintain MAP ≥ 65 mmHg * Age \< 18 years * Patients who have received APRV previously during the current ICU admission * Patients in prone position within the last 24 hours

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Conditions

The condition(s) this trial relates to.

As listed by the trial registrant

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

Contacts and locations

Locations

  • Bispebjerg Hospital

    Copenhagen, 2400, Denmark

  • Hvidovre Hospital

    Hvidovre, 2650, Denmark

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