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Can a milk protein help women absorb more iron?

NCT ID NCT07394972

Knowledge-focused Sponsor: Nicole Stoffel 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 looks at whether wrapping lactoferrin, a natural protein in milk, in a protective coating helps women with low iron absorb more iron from their food. Forty-five women with low iron stores but no anemia will eat labeled iron with different forms of lactoferrin. Researchers will measure how much iron gets into their blood to see which method works best.

What this could mean

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

Active substance
lactoferrin (a milk protein) with iron
What this could lead to
If it works, this could point toward more effective iron supplements for people with iron deficiency.
What could go wrong
This is a small, early-stage study with only 45 participants, so results may not apply to everyone. The different formulations may not show clear differences in iron absorption.

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 45 people

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

Expected to start

Feb 2026

An estimate. Start dates often move.

Expected to finish

May 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 45 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: * Serum ferritin \< 45 µg/L (iron depleted) * Body weight \< 70 kg * Body mass index 18,5 - 24,9 kg/m2 (normal weight) * Hemoglobin (Hb) \> 120 g/L (nonanemic) * C-reactive protein (CRP) \< 5 mg/L (no inflammation) Exclusion Criteria: * Pregnant or lactating * Strictly vegan * Cigarette smoking (\> 1 cigarette / week) * Gastrointestinal or metabolic disorders affecting iron absorption or metabolism * Use of medication known to affect iron metabolism (oral contraceptives are allowed) * Intake of vitamin and mineral supplements in the 2 weeks before study start and during the study * Blood transfusion, blood donation, or significant blood loss during the previous 4 months * once enrolled, inability to follow study procedures or major illness * Participation in another study with investigational drug within the 30 days preceding and during the present study

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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 without anemia)

How to take part

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

  1. The study's own enquiry address

    This study publishes an address for enquiries. See it below .

  2. The places running it

    1 site. The list below names each one and where it is.

  3. 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 ↗

  4. 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

Study contacts

  • Contact

    Email: •••••@•••••

Locations

  • ETH Zurich, Laboratory of Clinical Biopharmacy

    RECRUITING

    Zurich, 8092, Switzerland

    Contact Email: •••••@•••••

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