Clinical trial Recruiting at 2 sites Phase 4 Interventional Ages 1 Year to 21

Oral iron therapy for children with chronic kidney disease

Official title: Pilot Pragmatic Clinical Trial of Oral Iron Therapy in Children With Chronic Kidney Disease

Run by Weill Medical College of Cornell University · NCT03991169 · Data updated 2026-11-12

This study is testing if giving oral iron supplements to children with chronic kidney disease and mild anemia can help improve their strength, activity levels, and eating habits.

More Chronic Kidney Diseases trials

Quick facts

PhasePhase 4
Study typeInterventional
Ages1 Year to 21 Years
SexAll
Enrollment40 (estimated)
SponsorWeill Medical College of Cornell University
Academic / other
Locations2 sites (New York, New York and 1 other locations)
StatusRecruiting
StartedApril 19, 2019
Main results expectedDecember 31, 2028
Study endsDecember 31, 2028
Registry record updatedAugust 11, 2025
Trial IDNCT03991169 on ClinicalTrials.gov

Is this trial a fit for you?

Likely a good fit

Ideal candidates are children aged 1-21 years with chronic kidney disease and mild anemia, specifically those with certain hemoglobin and transferrin saturation levels.

Probably not a fit

Patients who have severe iron deficiency or are currently receiving iron therapy or erythropoietin will not benefit from this study.

A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.

What this trial studies

This pilot clinical trial investigates the effects of oral iron therapy using ferrous sulfate in children aged 1-21 years with chronic kidney disease (CKD) and mild anemia. Participants will be randomly assigned to receive either standard iron sulfate treatment or no iron therapy for a duration of three months. The study aims to evaluate outcomes such as muscle strength, physical activity, and changes in eating behavior, measured at the start and end of the trial. The goal is to determine the efficacy of oral iron in improving health metrics in this vulnerable population.

Why it matters

Potential benefit: If successful, this study could improve the management of anemia in children with chronic kidney disease, enhancing their overall health and quality of life.

How similar studies have gone: Other studies have explored iron therapy in similar populations, showing promising results, but this specific approach is still being evaluated.

Who can join: the full rules

Show full inclusion / exclusion criteria
Key inclusion criteria:

* Age 1-21 years old (muscle strength will be assessed only in children \>3 year old)
* Estimated glomerular filtration rate (GFR) \< 90 ml/min/1.73m2 by bedside Schwartz formula \[height (cm) \*0.413 / serum creatinine (mg/dL)\]
* Hemoglobin (Hb) more or equal than 9.0 at the previous clinic visit
* Hb less than 11.5 g/dL in children younger than 5 years Hb less than 12.0 g/dL in children 5-12 years Hb \<12.5 g/dL in children 12-15 yrs and females \>15 yrs. Hb \<13.5 g/dL in males \>15 years (all at the previous clinic visit)

Children with transferrin saturation ≤ 20% AND serum ferritin ≤ 100 ng/mL will be randomized into one of the arms

Key exclusion criteria:

* Transferrin saturation \<5%
* Serum ferritin \< 10 ng/mL
* Iron therapy or erythrocyte stimulating agents (erythropoietin) therapy within 3 months prior to randomization
* Blood transfusion within 4 months prior to enrollment
* Children on hemodialysis
* Rapidly deteriorating kidney function or expectation for transplantation or dialysis in less than 3 months
* Pregnancy and breast-feeding

Where it's running

  • Weill Cornell Medicine / New York Presbyterian Hospital
    New York, New York, United States
    Recruiting
  • Children's Hospital of Philadelphia
    Philadelphia, Pennsylvania, United States
    Recruiting

Study contacts

Similar studies

Other studies for the same condition or treatment. Recruiting studies are listed first.

How to take part

  1. Review the eligibility criteria above with your treating physician.
  2. Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
  3. Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.
Last reviewed 2026-11-14 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.