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Hidden iron shortage may slow ICU recovery — can a blood test reveal it?

NCT ID NCT07781540

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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Aug 24, 2026 · Last updated Aug 25, 2026 · Updated 1 time

Summary

This study asks whether a simple blood test can detect iron deficiency in patients leaving the intensive care unit (ICU) and whether that deficiency affects their recovery. Many ICU patients have anemia, but standard tests may miss iron problems due to inflammation. The study will follow 462 adults who spent at least 72 hours in the ICU, measuring iron levels at discharge and tracking their recovery over time, including blood transfusions, hemoglobin, and quality of life. No treatment is given; the goal is to understand how common iron deficiency is and whether it matters for post-ICU recovery.

What this could mean

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

Active substance
transferrin saturation (TSAT) blood test
What this could lead to
If low iron is common after ICU stays, this could pave the way for iron replacement therapies to speed up recovery.
What could go wrong
This is an observational study, so it can't prove cause and effect. Iron levels may not fully explain recovery, and results may not apply to all ICU patients.

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 462 people

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

Started

Jul 2026

Expected to finish

Jan 2028

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

All critically ill patients alive at ICU discharge

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 * ICU length of stay ≥72 hours * Survival to ICU discharge Exclusion criteria: * Known hematologic diseases affecting erythropoiesis (e.g., aplastic anemia, myelodysplastic syndromes) * Pregnancy

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Conditions

The condition(s) this trial relates to.

anemia Iron Deficiencies

As listed by the trial registrant

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

How to take part

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

  1. The places running it

    4 sites in 2 countries. 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

  • Anestesia e Rianimazione Cardio-Toraco-Vascolare

    NOT_YET_RECRUITING

    Siena, Italy

  • Hospital Erasme

    NOT_YET_RECRUITING

    Brussels, Belgium

  • Policlinico Universitario Agostino Gemelli

    NOT_YET_RECRUITING

    Roma, 00168, Italy

  • Università di Ferrara

    RECRUITING

    Ferrara, Ferrara, 44121, Italy

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