Clinical trial Recruiting at 1 site Phase 4 Interventional Ages 18 and up

Anemia Therapy in People With Infective Endocarditis

Official title: Anemia Therapy in Patients With Infective Endocarditis (POET-IRON)

Run by Copenhagen University Hospital, Rigshospitalet · NCT07523646 · Data updated 2026-11-12

This study tests whether adjunctive anemia treatment can help adults with infective endocarditis and severe anemia.

Quick facts

PhasePhase 4
Study typeInterventional
Ages18 Years and up
SexAll
Enrollment74 (estimated)
SponsorCopenhagen University Hospital, Rigshospitalet
Academic / other
Drugs / interventionschemotherapy
Locations1 site (Copenhagen)
StatusRecruiting
StartedMay 15, 2026
Main results expectedApril 2028
Study endsAugust 2028
Registry record updatedMay 29, 2026
Trial IDNCT07523646 on ClinicalTrials.gov

Is this trial a fit for you?

Likely a good fit

Adults (18+) with confirmed bacterial endocarditis and Hb ≤6.0 mmol/L who are clinically stabilized and meet predefined criteria.

Probably not a fit

Patients who do not meet stabilization criteria or have contraindications may not benefit from the adjunctive anemia therapy.

A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.

What this trial studies

This phase 4 trial explores the use of adjunctive anemia therapy in adults with confirmed infective endocarditis and severe anemia. Eligible participants must have stabilized on initial treatment and meet specific clinical criteria before randomization. The study focuses on whether correcting anemia can improve short- to medium-term outcomes without increasing infection risk. Primary safety and feasibility of the anemia therapy are evaluated, alongside signals of potential clinical benefit.

Why it matters

Potential benefit: If successful, the therapy could improve recovery and outcomes for patients with infective endocarditis who have severe anemia.

How similar studies have gone: Previous trials in other inflammatory conditions suggest anemia therapies can improve anemia without raising infection risk, but results in infective endocarditis are exploratory.

Who can join: the full rules

Show full inclusion / exclusion criteria
Inclusion Criteria:

* 18 years or older
* Confirmed bacterial endocarditis.
* Hb ≤6.0 mmol/l
* Stabilization criteria:

  * Stable condition (patients with satisfactory clinical response to initial treatment)
  * At least 10 days with IV administered antibiotic treatment and at least 7 days after surgery in cases of valve surgery.
  * Transesophageal echocardiography (TEE) performed prior to randomization with no signs of abscess formation or valve abnormalities, which would require surgery.
  * No fever for at least 48 hours prior to enrollment.No positive blood cultures within last 4 days prior to randomization.
  * CRP \< 25 mg/L OR \> 25% reduction from peak value.
  * Leucocytes \<15 mia./L OR \> 25% reduction from peak value.

Exclusion Criteria:

* Known or suspected immunocompromise (e.g., HIV infection, ongoing chemotherapy, systemic corti-costeroid treatment \>20 mg prednisolone equivalent/day)
* Inability to provide informed consent for participation
* Relapsing infective endocarditis (endocarditis caused by the same microorganism within 6 months)
* Allergy / intolerance to EPO or iron therapy
* Inability to complete a 6MWT
* Hematological conditions, that contradicts use of IV iron therapy
* Death prior to clinical stabilization
* Failure to fulfill criteria of clinical stabilization

Where it's running

  • The Heart Centre, Department of Cardiology, Rigshospitalet - Copenhagen University Hospital
    Copenhagen, Denmark
    Recruiting

Study contacts

  • Principal investigator: Henning Bundgaard, Professor, Dr. med — Department of Cardiology, Copenhagen University Hospital - Rigshospitalet, Denmark
  • Study coordinator: Nareen S Nareen, MD
  • Email: nareen.sherzad.kader.rahman.01@regionh.dk
  • Phone: 42329695

Similar studies

Other studies for the same condition or treatment. Recruiting studies are listed first.

How to take part

  1. Review the eligibility criteria above with your treating physician.
  2. Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
  3. Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.
Last reviewed 2026-11-14 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.