Post-operative iron in cardiac surgery trial - a protocol for a randomised controlled trial

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INTRODUCTION: Anaemia is common after cardiac surgery and has a negative impact on rehabilitation and patient well-being. We aim to compare the efficacy of single, high-dose intravenous iron therapy versus oral iron supplementation to correct anaemia following open cardiac surgery.

METHODS: We present a randomised, active-control superiority trial. Adult patients with moderate anaemia (haemoglobin 5.0-6.8 mmol/l) on the first post-operative day after first-time, non-emergent cardiac surgery are eligible. After stratification by gender, 110 patients are randomised 1:1 to either single, high-dose intravenous iron therapy (20 mg/kg ferric derisomaltose) or oral iron supplementation (100 mg ferrous sulphate orally twice daily). The primary outcome measure at the four-week follow-up is the proportion of participants who are neither anaemic (haemoglobin less-than 8.1 mmol/l in men and less-than 7.5 mmol/l in women) nor have received allogeneic red blood cells since randomisation. Secondary outcome measures include changes in haemoglobin and iron biomarkers, exercise capacity, patient-reported outcome measures and cost of care at the four-week follow-up.

CONCLUSION: The results of the PICS trial may fundamentally alter future management of anaemia following cardiac surgery.

FUNDING: The study is supported by Aarhus University Hospital, an unrestricted research grant by Pharmacosmos A/S (Holbæk, Denmark) and an independent grant from the Health Research Foundation of the Central Denmark Region (ISM).

TRIAL REGISTRATION: EudraCT number: 2020-001389-12; Clinical Trials ID: NCT04608539.

TidsskriftDanish Medical Journal
Antal sider10
StatusUdgivet - jun. 2022

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