A Study to Evaluate the Safety (Compared to Iron Sucrose), Efficacy and Pharmacokinetics of Ferumoxytol for the Treatment of Iron Deficiency Anemia (IDA) in Pediatric Subjects With Chronic Kidney Disease (CKD)

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AMAG Pharmaceuticals

Status and phase

Phase 3


Chronic Kidney Disease; Iron Deficiency Anemia


Drug: Iron sucrose
Drug: Ferumoxytol

Study type


Funder types




Details and patient eligibility


Primary Objectives:

To evaluate the safety (compared to iron sucrose) and efficacy of ferumoxytol in pediatric CKD subjects with iron deficiency anemia (IDA) or who are at risk of development of IDA

Secondary Objective:

To determine the single-dose pharmacokinetics (PK) and pharmacodynamics (PD) profile of ferumoxytol in pediatric subjects.

Full description

This is a Phase 3, randomized, open-label, multicenter, study of the safety (compared to iron sucrose), efficacy, and PK/PD of ferumoxytol (7.0 mg Fe/kg x 2 [max 510 mg/dose]) in pediatric subjects with iron deficiency anemia (IDA) and CKD. There will be a total of approximately 125 subjects randomized to treatment in a 2:1 ratio to either ferumoxytol or iron sucrose.

Total subject participation in the study will be up to 7 weeks, which includes a 2-week Screening Period and a 5-week Treatment Period.

Subjects receive the following:

• Two IV infusions of ferumoxytol 7.0 mg Fe/kg (max 510 mg/dose), the first administered on Day 1 and the second 2-8 days later


• Iron sucrose (Venofer®): For Hemodialysis Dependent (HDD) patients: 2 mg Fe/kg, administered on consecutive dialysis sessions, for 10 doses (max 100mg/dose with a total max treatment course of 1000mg) For Non-hemodialysis Dependent (NDD) or Peritoneal Dialysis De pendent(PDD) patients: 4 mg Fe/kg, administered up to 3 times/week, for 5 doses (max 200mg/dose with a total max treatment course of 1000mg).


129 estimated patients




2 to 17 years old


No Healthy Volunteers

Inclusion criteria

  1. Male or female 2 years to <18 years of age at time of consent

  2. Has IDA defined as: a) hemoglobin <12.0 g/dL and b) with either transferrin saturation (TSAT) <40% or ferritin <100 ng/mL; or considered to be at risk of development of IDA, i.e., TSAT<20% with falling hemoglobin during the preceding 2 months and a history of hemoglobin <12 g/dL

  3. Has Chronic Kidney Disease defined as one of the following:

    1. on chronic hemodialysis;
    2. receiving chronic peritoneal dialysis;
    3. estimated glomerular filtration rate (eGFR) of <60 mL/min/1.73 m2;
    4. has evidence of structural and/or functional abnormalities e.g., persistent albuminuria, abnormal urine sediment, electrolyte and other abnormalities due to tubular disorders for > 3 months.
  4. For patients other than hemodialysis dependent CKD patients, documented history of unsatisfactory oral iron therapy or in whom oral iron cannot be tolerated, or for whom oral iron is considered medically inappropriate

  5. All subjects (female and male) of childbearing potential who are sexually active must be on an effective method of birth control for at least 1 month prior to Day 1 Dosing and agree to remain on birth control until completion of the study

Exclusion criteria

  1. Known hypersensitivity reaction to any component of ferumoxytol and iron sucrose
  2. History of allergy to intravenous (IV) iron
  3. History of multiple drug allergies (>2)
  4. Low systolic blood pressure (Age 1-9 years <70 + [age in years x 2] mmHg, Age 10-17 years <90 mmHg)
  5. Hemoglobin ≤7.0 g/dL
  6. Serum ferritin level >600 ng/mL

Trial design

Primary purpose




Interventional model

Parallel Assignment


None (Open label)

129 participants in 2 patient groups

Experimental group
Drug: Ferumoxytol
Iron sucrose
Active Comparator group
Drug: Iron sucrose

Trial contacts and locations



Central trial contact

Clinical Trial Interest

Data sourced from

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