Comparing High and Low Dose Iron Treatments for People on Peritoneal Dialysis: The PALaDIN Study

Recruiting now · Phase 3

Conditions studied: Peritoneal Dialysis, Anaemia, Iron Deficiency, Anaemia

In brief

Chronic kidney disease affects a significant portion of the UK population, with approximately 3.5 million adults diagnosed. At its most severe stage, end-stage kidney disease, individuals require frequent dialysis treatment. One form of dialysis, known as peritoneal dialysis, involves introducing and removing fluid from the abdominal cavity to help filter out toxins from the body. The kidneys are involved in various hormonal processes, including those responsible for producing red blood cells, making anaemia a common consequence of kidney failure. When designing a clinical trial to evaluate the effectiveness of any treatment, it is essential to determine the number of suitable and willing participants, as well as those who can complete all required tests and measurements. Identifying the most appropriate measurement to assess the impact of intravenous iron (iron injected directly into veins) is crucial to ensure that any observed changes are meaningful to people with CKD and their carers. To address these considerations, the investigators will conduct a pilot feasibility trial. In this trial, individuals with kidney disease undergoing peritoneal dialysis will be randomly assigned to receive either high-dose or low-dose intravenous iron, or oral iron therapy. Over twelve months, the investigators will monitor their anaemia response, symptoms of kidney disease, quality of life, physical performance (such as the ability to walk for six minutes), and cognitive function. Additionally, the investigators will assess the impact of each intervention on the frequency of blood transfusions, whether those on oral iron require intravenous iron, and any changes in the dosage of erythropoietin-stimulating agents (drugs that increase blood production).

Key facts

Study ID: NCT06884280
Run by: Hull University Teaching Hospitals NHS Trust
People needed: 30
Starts: 2025-11-13
Expected to finish: 2027-10-01
Last updated by the study team: 2026-05-06

Who can join

Age: 18 and older. Sex: any. Healthy volunteers: not accepted.

You may qualify if…

Males and females aged ≥18 years.
Able to give informed consent
Serum ferritin <700ug/L
Transferrin saturation level <40%
No intravenous iron for last 4 weeks before randomisation (patients may be pre-identified and included after 4-week washout period)
Received maintenance peritoneal dialysis therapy for at least 4 weeks
Expected to remain on peritoneal dialysis therapy for duration of study

You may not qualify if…

Inadequate dialysis deemed by responsible clinician
Probability of need for transfusion within 1 week of enrolment
On or received a HIF-PHI in the past 4 weeks
Anticipated major surgery that the responsible clinician feels will impact response to treatment
Haemochromatosis / haemosiderosis or ALT >x3 normal
Are deemed to be most suited to best-supportive or end-of-life care at time of screening
Women of childbearing potential not using effective means of contraception
Have been involved in another medicinal study (CTIMP) within past 4 weeks
Known allergy or adverse reaction to oral or intravenous iron preparations
CRP >50, TSATs >40%, SF >700 at time of recruitment
Active infection, HIV, active Hep B or C
Are unable or unwilling to consent to or complete the study procedures

Where it is running

Hull University Teaching Hospitals NHS Trust — Hull, East Riding Of Yorkshire, United Kingdom (enrolling)

Full record on ClinicalTrials.gov

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