Study seeks best way to absorb iron during pregnancy

NCT ID NCT07435766

Knowledge-focused Sponsor: ETH Zurich Source: ClinicalTrials.gov ↗

First seen Jun 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study looks at how well pregnant women absorb iron from different prenatal supplements. Fifty Kenyan women in their second trimester will take supplements with either 30 mg or 60 mg of iron, or the standard iron-folate supplement. Researchers will measure iron absorption and test whether taking iron every other day might work better than daily dosing.

What this could mean

Our plain-language read of the trial. This is informational only, not medical advice or a prediction.

Active substance: Multiple micronutrient supplements with iron and iron-folate supplements
What this could lead to: If successful, this could help determine the best dose and schedule for iron supplements during pregnancy to improve iron absorption.
What could go wrong: This is a small, early-stage study focused on absorption, not health outcomes. Results may not apply to all pregnant women or different settings.

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

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

About 50 people

The number the study aims to enrol. It can still change while the study runs.

Expected to start

Mar 2026

An estimate. Start dates often move.

Expected to finish

Dec 2026

An estimate. End dates often move.

Lead sponsor

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

18 to 35 years

Sex

Female participants only

Healthy volunteers

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

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: * female * pregnant at gestational age 12 (±1) weeks (dated by ultrasound) * age 18 to 35 y * Hb concentration ≥80 g/L * absence of significant inflammation * body weight \<80 kg * no major chronic diseases * no intake of vitamin and mineral supplements outside of this study in the 1-2 weeks between screening and study start and during the study * no blood transfusion, blood donation, or significant blood loss over the past 4 months Exclusion Criteria: * severe anemia (defined as Hb \<80 g/L) * malaria * sickle cell disease (SS and SC) * hemoglobin C disease (CC).

Get updates

Get notified about this study

Sign up to get updates when this study changes or when new studies for Pregnancy are added.

Vår säkerhetsrekommendation!

Genom att skicka in godkänner du våra Användarvillkor

Conditions

The condition(s) this trial relates to.

Iron Deficiencies

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Pregnancy

How to take part

Only the study team decides who joins. These are the ways to reach them.

The places running it

2 sites. The list below names each one and where it is.
The official record

ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.

Open the record ↗
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.

Study seeks best way to absorb iron during pregnancy

What the study statuses mean