Actively Recruiting

Phase 4
Age: 70Years +
All Genders
ID04913649

Intravenous Iron to Treat Postoperative Anemia in Older Cardiac Surgery Patients: A Randomized Placebo-Controlled Trial

Led by dr. P. Noordzij · Updated on 2026-04-27

310

Participants Needed

2

Research Sites

4 weeks

Total Duration

On this page

Sponsors

D

dr. P. Noordzij

Lead Sponsor

P

Pharmacosmos A/S

Collaborating Sponsor

AI-Summary

What this Trial Is About

Researchers are studying the effect of intravenous iron treatment on postoperative iron deficiency anemia in older patients who have undergone elective cardiac surgery with cardiopulmonary bypass. The study aims to assess how this treatment impacts disability 90 days after surgery. This is a randomized, placebo-controlled, double-blind trial involving 310 elderly patients aged 70 years and older who have moderate postoperative iron deficiency anemia. Participants will receive either a single dose of intravenous ferric derisomaltose, dosed at 20mg per kilogram of body weight and infused over approximately 60 minutes, or a placebo consisting of sodium chloride 0.9% solution. Vital signs are monitored during the infusion and for 30 minutes afterward. The treatment is given on postoperative day 1 after uncomplicated elective aortic valve repair or coronary artery bypass graft surgery. During the study, participants will be evaluated for disability using the WHO Disability Assessment score 12-item version at 90 days after surgery. Additional assessments include patient-reported outcomes on breathing difficulty and quality of life, blood transfusion requirements, hemoglobin and reticulocyte hemoglobin content changes, hospital complications, and functional tests such as the 6-minute walk test. Safety and health status are monitored throughout the study period, which extends to 90 days post surgery.

CONDITIONS

Brief Title

Intravenous Iron to Treat Postoperative Anemia in Older Cardiac Surgery Patients

Who Can Participate

Age: 70Years +
All Genders

Eligibility Criteria

Eligible

You may qualify if you...

  • Mentally competent individuals aged 70 years or older
  • Undergoing elective aortic valve repair or coronary artery bypass graft surgery
  • Expected uncomplicated postoperative course without inotropic agents or ventilation on postoperative day 1
  • Expected discharge to general ward on postoperative day 1
  • Moderate postoperative iron deficiency anemia defined as hemoglobin between 85 and 110 g/L and ferritin below 100 µg/L or iron saturation below 20%
Not Eligible

You will not qualify if you...

  • History of iron overload or haemochromatosis
  • History of liver cirrhosis or elevated liver enzymes more than three times normal levels
  • Severe kidney failure with estimated glomerular filtration rate below 15 ml/min/1.73m2
  • Treatment with intravenous iron within 12 weeks prior to surgery
  • Serious or severe allergic reaction to intravenous iron
  • Severe asthma or eczema indicating atopic constitution in medical history

AI-Screening

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Your Study Journey

Screening

Duration - 2 to 4 weeks

Participants are screened for eligibility to participate in the trial.

1 visit (in-person)

Surgery and Immediate Post-operative Care

Duration - Postoperative day 1

Participants undergo elective aortic valve repair or coronary artery bypass graft surgery and receive post-operative monitoring.

In-hospital monitoring during and immediately after surgery

Treatment

Duration - Single treatment lasting approximately 60 minutes with monitoring during administration and for 30 minutes afterwards

Participants receive a single dose of intravenous iron or placebo administered postoperatively to treat iron deficiency anemia.

1 visit (in-person) for treatment administration

Post-operative Follow-up

Duration - Up to 7 days after surgery

Participants are monitored for red blood cell transfusions, hemoglobin levels, reticulocyte hemoglobin content, complications, and recovery outcomes related to anemia and functional status.

Daily or as needed visits during hospital stay up to 7 days

Follow-up

Duration - 90 days after surgery

Participants are assessed for disability, patient-reported outcomes related to dyspnea and quality of life, and overall recovery status 90 days after surgery.

1 visit (in-person or remote) at 90 days post-surgery

Trial Site Locations

Total: 2 locations

1

Amphia Hospital

Breda, Netherlands

Actively Recruiting

2

St Antonius Hospital

Nieuwegein, Netherlands

Actively Recruiting

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Research Team

P

Peter Noordzij, MD, PhD

R

Rosa Smoor, MD

How is the study designed?

Study Type

INTERVENTIONAL

Masking

DOUBLE

Allocation

RANDOMIZED

Model

PARALLEL

Primary Purpose

TREATMENT

Number of Arms

2

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Published Research Related To This Trial

The effect of postoperative intravenous iron in anaemic, older cardiac surgery patients on disability-free survival (AGE ANEMIA study): study protocol for a multi-centre, double-blind, randomized, placebo-controlled trial.

R M Smoor, T C D Rettig, L M Vernooij...

https://pubmed.ncbi.nlm.nih.gov/37885026