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Which iron pill is best for Moms-to-Be? new study aims to find out

NCT ID NCT06014983

Knowledge-focused Sponsor: University of British Columbia 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 27, 2026 · Last updated Jun 27, 2026

Summary

This study compares two forms of iron (ferrous fumarate and ferrous bisglycinate) in daily prenatal supplements for 172 pregnant women in Vancouver. Researchers will measure iron levels in blood and stool samples to see which form is better absorbed and causes fewer side effects. The goal is to improve guidelines for preventing iron deficiency during pregnancy.

What this could mean

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

Active substance
iron supplements (ferrous fumarate or ferrous bisglycinate)
What this could lead to
If successful, this could help doctors recommend the best type of iron supplement for pregnant women to prevent iron deficiency.
What could go wrong
This is a small, early-stage study with only 172 participants, so results may not apply to all pregnant women. It compares two common supplements, not a new treatment.

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 172 people

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

Started

Apr 2024

Expected to finish

Jan 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

19 to 42 years

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: * Pregnant individual (singleton pregnancy) * 19-42 years of age * Living in the greater Vancouver area and willing to travel to the University of British Columbia or BC Women's Hospital for study visits * 13-25 weeks gestation * Willing to participate and able to provide informed consent Exclusion Criteria: * Having a pre-existing medical condition known to impact iron status (e.g., inherited hemoglobin disorder (i.e., sickle cell, hemochromatosis, thalassemia or other structural hemoglobin variant), malabsorptive disorders (i.e., chronic pancreatitis, cystic fibrosis, celiac disease) and inflammatory bowel disease (i.e., Crohn's disease, ulcerative colitis), gastric bypass surgery, atrophic gastritis, advanced liver disease, kidney dialysis) * Using medications known to interfere with iron metabolism or the gut pathogen equilibrium (e.g., chronic use of proton pump inhibitors, anti-inflammatory agents, non-steroidal anti-inflammatory drugs, antibiotics) * Having a personal neural tube defect (NTD) history or a previous NTD pregnancy * Receiving ongoing blood transfusions * Currently smoking or having smoked in the past 3 months * Pre-pregnancy body mass index (BMI) ≥30 kg/m\^2 * Allergy to any study supplement ingredients

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Conditions

The condition(s) this trial relates to.

Iron Deficiencies iron deficiency anemia

As listed by the trial registrant

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

Iron-deficiency Pregnancy

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. 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

  • BC Women's Hospital

    RECRUITING

    Vancouver, British Columbia, V6H 3N1, Canada

  • University of British Columbia, Food, Nutrition and Health Building

    RECRUITING

    Vancouver, British Columbia, V6T 1Z4, Canada

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