Could taking iron every other day be just as good for anemia in pregnancy?
NCT ID NCT06492512
First seen Jun 25, 2026 · Last updated Jun 27, 2026 · Updated 2 times
Summary
This study tests whether taking an iron pill every other day works as well as taking one daily for pregnant women with iron-deficiency anemia. About 120 pregnant women with low iron will be randomly assigned to one of two schedules. The goal is to see if both approaches can raise hemoglobin and ferritin levels enough to reverse the anemia.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- ferrous sulfate (iron pill)
- What this could lead to
- If this trial succeeds, it could show that taking iron every other day works just as well as daily dosing, making treatment easier for pregnant women.
- What could go wrong
- This is a small, early-phase study (120 participants) comparing two common dosing schedules, so results may not apply to all pregnant women. The difference between groups may be small or not clinically meaningful.
This is an AI summary of the original study and may miss details. Read our disclaimer.
Study facts
What this study's own registry entry says, in plain language.
- Phase
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Phase 4
Runs after approval, following long-term safety and how well the treatment works in everyday use.
- Participants
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About 120 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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May 2025
- Expected to finish
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Jul 2029
An estimate. End dates often move.
- Lead sponsor
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Other sponsor
The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
- Ages
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18 to 45 years
- Sex
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Female participants only
- Healthy volunteers
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Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
Show the full entry requirements Hide the full entry requirements
Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: * 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 Criteria: * 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)
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
How to take part
Only the study team decides who joins. These are the ways to reach them.
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The places running it
1 site. The list below names each one and where it is.
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The official record
ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.
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A doctor treating you
A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.
Contacts and locations
Locations
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Southern Illinois University School of Medicine
RECRUITINGSpringfield, Illinois, 62702, United States
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