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Heart surgery patients may get a simple iron boost to beat anemia

NCT ID NCT07238972

Disease control Sponsor: Yonsei University 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 27, 2026 · Last updated Jun 27, 2026

Summary

This study tests whether giving a single dose of intravenous iron the day after heart surgery can reduce the chance of long-term anemia. About 180 adults with low iron or anemia before surgery will be randomly assigned to receive either the iron treatment or a placebo. The main goal is to see how many patients still have anemia 6 months after surgery.

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

Phase 4

Runs after approval, following long-term safety and how well the treatment works in everyday use.

Participants

About 180 people

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

Expected to start

Dec 2025

An estimate. Start dates often move.

Expected to finish

Oct 2030

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

19 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: * Adults aged ≥19 years scheduled to undergo cardiac surgery requiring cardiopulmonary bypass Preoperative anemia defined as hemoglobin \<13.0 g/dL, or preoperative iron deficiency defined as ferritin \<100 ng/mL or transferrin saturation \<20% Ability to understand the study information and provide written informed consent prior to surgery Postoperative day 1 hemoglobin \<10.0 g/dL on the first CBC following surgery (required for final enrollment) Exclusion Criteria: * Emergency surgery Preoperative major organ failure requiring intensive care unit management Active infection prior to surgery, including sepsis Active bleeding prior to surgery Pregnancy or breastfeeding Use of erythropoiesis-stimulating agents or intravenous iron therapy within 3 months prior to surgery Iron overload defined as ferritin ≥500 ng/mL or transferrin saturation ≥45% Aplastic anemia Hemolytic anemia Hemochromatosis or hemosiderosis Decompensated liver cirrhosis, acute hepatitis, or alcohol dependence Known hypersensitivity to intravenous iron formulations Participation in another clinical trial that may influence outcomes Inability to understand or provide informed consent due to language barriers, illiteracy, or cognitive impairment

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Conditions

The condition(s) this trial relates to.

anemia heart valve disorder Iron Deficiencies iron deficiency anemia

As listed by the trial registrant

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

Anemia Cardiac surgery Heart valve diseases Iron deficiencies Iron deficiency anemia

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

    The full official record for this study. This one lists no contact details, but it is the first place any would appear.

    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

  • Department of Anesthesiology and Pain Medicine Anesthesia and Pain Research Institute Yonsei Cardiovascular Hospital, Yonsei University College of Medicine

    Seoul, South Korea

More trials for these conditions

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