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Iron Substitution With Ferric Carboxymaltose as Treatment Strategy for Heart Failure Patients With Preserved Ejection Fraction — IRON-HFpEF  

Iron-deficiency Clinical Trial

Official title:
Iron Substitution With Ferric Carboxymaltose as Treatment Strategy for Heart Failure Patients With Preserved Ejection Fraction: A Prospective, Double-blind, Randomized, Placebo-controlled Trial

Clinical Trial Summary

This study aims to investigate the effects of treatment with intravenous ferric carboxymaltose on exercise tolerance measured as VO2peak in patients with HFpEF and iron deficiency, compared to placebo.

Clinical Trial Description

Iron deficiency is a common comorbidity associated with chronic heart failure (HF) in both, patients with preserved (HFpEF) and reduced ejection fraction (HFrEF), which has unfavorable clinical and prognostic effects. Previous studies have confirmed that HF patients with iron deficiency have a lower exercise tolerance than those without iron deficiency. In iron deficient patients with HFrEF, treatment with intravenous ferric carboxymaltose (FCM) improved symptoms, exercise tolerance and quality of life (QoL). Since the latest guidelines published by the European Society of Cardiology (ESC) in 2016, iron substitution is an official class IIa recommendation in HFrEF, while it has not yet been endorsed in the treatment guidelines for HFpEF. To date, no evidence is available on iron supplementation in HFpEF. Therefore, a clear rationale exists for examining the effects of correcting iron deficiency in this high-risk and steadily growing patient group. The proposed study will be a single-centre, prospective, double-blind, randomized, placebo-controlled trial in a primary care setting including 86 patients with stable HFpEF and iron deficiency. Participants will undergo three study visits: a baseline visit, a status control visit, and a post-intervention visit. At the baseline visit, measurements of exercise tolerance (using spiroergometry), laboratory parameters and disease-specific biomarkers (using blood samples), tHb-mass (using the carbon monoxide rebreathing method), cardiac and arterial vessel structure and function (using electrocardiogram, echocardiography and PVW), QoL (using 3 validated questionnaires), body composition (using BMI and WHR), and habitual physical activity (using a wrist-worn accelerometer) will be performed. Then, patients randomized to the treatment group will receive FCM (Vifor Pharma AG, Villars-sur-Glâne, Switzerland), whereas those in the control group will receive placebo. At week 6, iron deficiency status will be re-evaluated in all patients and, if necessary, another application of FCM or placebo will be administered, respectively. After the 12-week treatment period, the study measurements will be repeated in all patients (post-intervention visit) to investigate the effects of the intervention. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT05477498
Study type Interventional
Source Cantonal Hosptal, Baselland
Contact
Status Withdrawn
Phase Phase 4
Start date December 1, 2021
Completion date December 31, 2022
View Details
See also
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