Oral Iron Supplementation for Iron Deficiency Anemia in Pregnancy

This study is looking at the best way to give oral iron to pregnant women who have iron-deficiency anemia (IDA). You could join if you are pregnant, between 18 and 45 years old, and have been diagnosed with IDA (meaning your hemoglobin is below 10.5 g/dL and ferritin is below 15 mcg/L). The study will compare taking ferrous sulfate (an iron supplement) every day versus every other day. The main goal is to see which method is better at reversing your iron-deficiency anemia after 8 weeks. This study is currently recruiting about 120 participants.

Study design
This is a randomized clinical trial, meaning participants will be randomly assigned to one of two groups. About 120 pregnant women will participate.
What's involved
You will have a blood draw at the start to confirm your iron levels. You will then take either daily or every-other-day ferrous sulfate pills, provided by the study, for 8 weeks.
Compensation
Not stated in the trial record.
Follow-up
Your iron levels will be checked again 8 weeks after your first visit to see if your anemia has improved.

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NCT06492512

Oral Iron Supplementation on Alternate vs. Consecutive Days for Iron Deficiency Anemia in Pregnancy

Recruiting
PHASE4Ages 18–45InterventionalTreatment
Southern Illinois University
~120 participants
Updated 2026-04-24 on ClinicalTrials.gov
What's tested:daily ferrous sulfate with an equivalent elemental iron dose of 65 mg per pillalternate day ferrous sulfate with an equivalent elemental iron dose of 65 mg per pill

At a glance

Recruiting sites
1 of 1 listed site is recruiting right now
RecruitingSuspended, closed, or not yet open
What they're measuring
reversal of iron deficient anemia
Measured over 8 weeks after the baseline visit ± 7 days
+1 more outcome measured
Iron-deficiency Anemia (IDA)
Pregnancy
1 sites across 1 states
Illinois1
  • Yahia Zeino, MD · PRINCIPAL_INVESTIGATOR · Southern Illinois University School of Medicine

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Eligibility criteria

Inclusion

Pregnant patients will be enrolled at less than 30 weeks gestational age (GA) with laboratory confirmed IDA (as defined by hemoglobin under 10.5 g/dL, as well as ferritin under 15 mcg/L)

Exclusion

Patients \<18 years old, patients who have severe IDA that requires blood transfusion or IV iron infusion, patients who have other known hemoglobinopathy (such as thalassemia or sickle cell anemia) or anemia of different mechanism (such as vitamin B12 or folate deficiency), patients with ulcerative colitis, Crohn's disease, gastric ulcers, patients who have previously undergone gastric bypass surgery, patients who experience admission for antepartum bleed, have been diagnosed with abnormal placentation (i.e., placenta previa, placenta accreta, placenta increta or percreta)
  • reversal of iron deficient anemia8 weeks after the baseline visit ± 7 days

    hemoglobin \> 10.5 g/dL

  • reversal of iron deficient anemia8 weeks after the baseline visit ± 7 days

    ferritin \> 15 mcg/L