Comparing daily and weekly iron supplements for infants

Efficacy of Daily and Weekly Iron Supplementation on Anemia Prevalence in Thai Infants Aged 6-12 Months

Not applicable Interventional Mahidol University · NCT06318858

This study is testing whether giving infants daily or weekly iron supplements is better for reducing anemia and improving their iron levels.

Quick facts

PhaseNot applicable
Study typeInterventional
Enrollment300 (estimated)
Ages6 Months to 12 Months
SexAll
SponsorMahidol University Academic / other
Locations1 site (Sam Phran, Nakhon Pathom)
Trial IDNCT06318858 on ClinicalTrials.gov

What this trial studies

This study compares the effectiveness of daily versus weekly iron supplementation in infants aged 6-12 months to reduce anemia and improve iron status. Infants will be enrolled at 6 months and randomly assigned to receive either daily or weekly iron supplements for the first 3 months, followed by weekly supplementation for an additional 3 months. Assessments will include hemoglobin levels, serum ferritin levels, and dietary intake at baseline, 9 months, and 12 months. The goal is to determine the best supplementation strategy for improving iron status in infants.

Who should consider this trial

Good fit: Ideal candidates are healthy infants aged 6 months with normal birth weight and hemoglobin levels.

Not a fit: Infants with chronic illnesses or those who have previously taken iron supplements may not benefit from this study.

Why it matters

Potential benefit: If successful, this study could provide insights into optimal iron supplementation strategies to prevent anemia in infants.

How similar studies have performed: Other studies have shown varying success with iron supplementation in infants, but this specific comparison of daily versus weekly dosing is less commonly tested.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Apparently healthy infant, aged 6 months ± 2 weeks
* Having a birth weight between 2,500 and 4,000 grams
* Being born full term (37 to 41 weeks of age + 6 days)
* Having hemoglobin ≥ 10.5 g/dL
* Being planned to breastfeed with complementary food and/or complementary foods with formula milk

Exclusion Criteria:

* Infants with chronic illnesses or thalassemia clinical signs such as anemia, enlarged liver, or spleen (if parental history suggests the child is at risk of developing a thalassemia disease that may not show clinical symptoms)
* Previously or currently taking an iron supplement

Where this trial is running

Sam Phran, Nakhon Pathom

Study contacts

How to participate

  1. Review the eligibility criteria above with your treating physician.
  2. Visit the official trial page on ClinicalTrials.gov for the most current contact information and recruitment status.
  3. Contact the listed study coordinator or principal investigator to request pre-screening. Pre-screening is free and never obligates you to enroll.
Conditions AnemiaIron StatusInfantsIronIron statusIron supplementation
Last reviewed 2026-06-09 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.