Iron pills every other day? new trial tests a gentler approach for anemia in pregnancy
NCT ID NCT07657455
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study will test whether taking oral iron supplements every other day works as well as taking them daily for pregnant women with iron deficiency anemia in their second trimester. About 184 women will be randomly assigned to one of two dosing schedules for four weeks. Researchers will measure changes in hemoglobin and ferritin levels, track how well women stick to the regimen, and monitor stomach-related side effects.
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 (oral iron supplement)
- What this could lead to
- If it works, this could show that taking iron every other day is just as effective as daily dosing, with fewer side effects and better adherence for pregnant women with anemia.
- What could go wrong
- This is a small, early-stage trial (184 participants) that hasn't started yet. Results may not apply to all pregnant women, and the four-week duration is too short to assess long-term outcomes or safety.
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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Not a phased trial
Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.
- Participants
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About 184 people
The number the study aims to enrol. It can still change while the study runs.
- Expected to start
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Sep 2026
An estimate. Start dates often move.
- Expected to finish
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Feb 2027
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 40 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: * Aged 18 to 40 years * Pregnant women in the second trimester (13 to 27 weeks gestation) * Hemoglobin below 11 g/dL with serum ferritin below 30 ng/mL * Singleton pregnancy Exclusion Criteria: * Known congenital or acquired hemoglobin disorders (e.g., thalassemia, hemoglobinopathies) * Chronic diseases affecting hemoglobin levels (e.g., chronic kidney disease, inflammatory disorders) * Bleeding disorders or a history of frequent blood loss * Gastrointestinal conditions impairing nutrient absorption (e.g., celiac disease or other malabsorption syndromes) * Currently receiving parenteral iron * Requiring blood transfusion
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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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Pakistan Air Force (PAF) Hospital Islamabad
Islamabad, Pakistan
More trials for these conditions
Other studies related to the condition(s) this trial covers.
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- Can treating anemia before pregnancy stop it later?
- Can a new iron injection match the standard treatment?
- One infusion before surgery: could it cut transfusions?
- Iron and folic acid: a simple pill that could ease anemia and heart symptoms?
- A simple nutrient may shield Babies' brains from iron deficiency