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Could taking two prenatal supplements at once be just as good?

NCT ID NCT06568315

Disease control Sponsor: Johns Hopkins Bloomberg School of Public Health Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now This study
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Jun 26, 2026 · Last updated Aug 11, 2026 · Updated 4 times

Summary

This study in Burkina Faso and Pakistan will enroll 3,200 pregnant women to see if taking daily calcium and iron-containing multiple micronutrient supplements together is as effective as taking them at different times. The goal is to simplify supplement routines without harming the mother's or baby's iron levels. Participants will be randomly assigned to one of two schedules and provide blood samples throughout pregnancy and at birth.

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 supplement (including iron) and calcium supplement
What this could lead to
If it works, this could simplify prenatal supplement routines and improve adherence, potentially reducing anemia in pregnant women and newborns.
What could go wrong
This is a large Phase 3 trial, but it only tests non-inferiority—meaning it aims to show that taking supplements together is not worse than separately. It may still find reduced iron absorption, and results may not apply to all populations.

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

Phase 3

Large-scale testing in a bigger group. Usually the last step before a treatment can be approved.

Participants

About 3,200 people

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

Started

Aug 2025

Expected to finish

Apr 2027

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

15 years and older

Sex

Female participants only

Healthy volunteers

Accepted

You do not need to have the condition being studied to take part.

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: * Burkina Faso: married or unmarried pregnant women aged ≥15 years * Pakistan: married pregnant women ≥18 years * Willing to receive all antenatal care at a study clinic * Willing to stop iron folic acid supplementation to receive the study intervention * Hb ≥70 g/L * 6\<20 weeks of gestation based on fetal ultrasound Exclusion Criteria: * Burkina Faso: \<15 years or unmarried pregnant women \<18 years without consent from parent / guardian * Pakistan: pregnant women \<18 years. * Unwilling to receive antenatal care at a study clinic * Unwilling to stop iron folic acid supplementation to receive the study intervention * Hemoglobin \< 70 g/L * \<6 weeks of gestation or ≥20 weeks of gestation * Non-viable or extrauterine pregnancy * Any contraindications to study supplements

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Conditions

The condition(s) this trial relates to.

anemia iron deficiency anemia

As listed by the trial registrant

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

Anemia, iron-deficiency

How to take part

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

  1. The places running it

    2 sites in 2 countries. The list below names each one and where it is.

  2. 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 ↗

  3. 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

  • Aga Khan University

    RECRUITING

    Karachi, Pakistan

  • Institut Africain de Santé Publique (African Institute of Public Health)

    RECRUITING

    Ouagadougou, Burkina Faso

More trials for these conditions

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