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Can a breath test improve nutrition for ICU patients with obesity?

NCT ID NCT06053216

Knowledge-focused Sponsor: Australian and New Zealand Intensive Care Research Centre 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 27, 2026 · Last updated Jun 27, 2026

Summary

This study tested whether using a special breath test (indirect calorimetry) can help doctors give the right amount of nutrition to critically ill patients with obesity who are on breathing machines. The study involved 60 adults from intensive care units in Australia and New Zealand. The main goal was to see if this approach is practical and can be done consistently in a hospital setting.

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

Oct 2023

Finished

Feb 2026

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: * Adult (≥ 18 years) patients * Body mass index ≥30 kg/m2 * Between day 3 and 6 of index ICU admission * Receiving invasive mechanical ventilation * Receiving enteral or parenteral nutrition Exclusion Criteria: * Receiving extracorporeal membrane oxygenation support * Major burns (≥20% total body surface area) * Unable to perform indirect calorimetry within 24 hours of randomisation * Known pregnancy * Death is imminent * Treating clinician believes the study is not in the best interest of the patient

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Conditions

The condition(s) this trial relates to.

Critical Illness Obesity obesity disorder

As listed by the trial registrant

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

Critical illness Obesity

Contacts and locations

Locations

  • Ballarat Base Hospital, Grampians Health

    Ballarat Central, Victoria, 3550, Australia

  • Blacktown Hospital

    Blacktown, New South Wales, 2148, Australia

  • Department of Critical Care Medicine, Auckland City Hospital

    Auckland, 1023, New Zealand

  • Royal Prince Alfred Hospital

    Camperdown, New South Wales, 2050, Australia

  • The Alfred Hospital

    Melbourne, Victoria, 3004, Australia

More trials for these conditions

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