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Meal tests could reveal hidden clues to deadly refeeding syndrome

NCT ID NCT07674589

Knowledge-focused Sponsor: Hospital Garcia de Orta Source: ClinicalTrials.gov ↗

What the study statuses mean

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Recruitment status, easiest to join first

Recruiting now
This trial is taking on new participants right now.
Not yet recruiting This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 29, 2026 · Last updated Jun 30, 2026 · Updated 1 time

Summary

This study investigates refeeding syndrome, a dangerous metabolic complication that can occur when severely malnourished patients start receiving nutrition again. Researchers will give a mixed-meal tolerance test to 15 adults who need a feeding tube after a month of very low food intake. By measuring blood glucose, hormones, and metabolites before and after the meal, and again after 3-6 months of tube feeding, the study aims to uncover how the body responds to refeeding and identify potential markers that could predict who is at highest risk.

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 identify biomarkers to predict refeeding syndrome risk, helping doctors personalize nutritional care for malnourished patients.
What could go wrong
This is a small, early-stage observational study with only 15 participants. Findings may not apply to all patients and may not lead to a clinical test.

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.

Participants

About 15 people

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

Expected to start

Jul 2026

An estimate. Start dates often move.

Expected to finish

Jul 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.

Who is studied

Ambulatory patients referred to PEG for long-term enteral nutrition.

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 above 18 years. * Oral ingestion below 50% of energy daily needs for ≥ 1 month. * Absence of artificial nutrition before PEG placement. Exclusion Criteria: * Age below 18 years. * Quantified food ingestion above 50% of energy daily needs during the last month. * Oncologic disease. * Diabetes mellitus. * Expected survival below 3 months. * Inability to provide credible anamnestic data. * Impossibility to have an appropriate clinical and nutritional follow-up.

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Conditions

The condition(s) this trial relates to.

Malnutrition nutritional deficiency disease refeeding syndrome

As listed by the trial registrant

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

Malnutrition Refeeding syndrome

How to take part

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

  1. The places running it

    1 site. 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

  • Hospital Garcia de Orta

    Almada, Setúbal District, 2670-487, Portugal

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