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Breath test could spot malnutrition

NCT ID NCT06115148

Knowledge-focused Sponsor: Pennington Biomedical Research Center Source: ClinicalTrials.gov ↗

What the study statuses mean

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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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 looks at whether the ammonia in your breath can help detect malnutrition. Researchers will take breath and blood samples from 12 adults, some with and some without malnutrition, and compare the results. A small group will also drink special beverages and fast for two days to see how breath changes with short-term diet changes.

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

About 12 people

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

Started

Aug 2023

Expected to finish

Dec 2026

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 to 95 years

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. Age: 18-95 years 2. Malnutrition group (Cross-sectional study only); not involved in intervention: Diagnosed with malnutrition (verified in medical history) Exclusion Criteria: 1. Chronic kidney, liver or pulmonary disease 2. Anabolic steroid use other than testosterone (e.g., oxandrolone) 3. Patients judged unsuitable for enrollment by the study medical investigator 4. Pregnant women or women who are nursing 5. Unable or unwilling to consume study beverages or fast for 24 hours each arm

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Conditions

The condition(s) this trial relates to.

Malnutrition nutritional deficiency disease

As listed by the trial registrant

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

Malnutrition

How to take part

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  1. The study's own enquiry address

    This study publishes an address for enquiries. See it below .

  2. The places running it

    1 site. The list below names each one and where it is.

  3. 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 ↗

  4. 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

  • Pennington Biomedical Research Center

    RECRUITING

    Baton Rouge, Louisiana, 70808, United States

    Contact Email: •••••@•••••

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