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Iron pills may change how your body handles sugar – new study investigates

NCT ID NCT07315282

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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 taking iron supplements for two weeks changes how the body processes sugar and insulin. Seventy overweight or obese women will take either a high or low dose of iron daily. Researchers will measure blood sugar and insulin levels before, during, and after the supplement period to see if iron has an effect.

What this could mean

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

Active substance
iron (as ferrous sulfate or ferrous fumarate)
What this could lead to
If it works, this could help us understand how iron affects blood sugar and insulin in overweight women, possibly pointing to new ways to manage metabolic health.
What could go wrong
This is a small, short-term study (14 days) with only 70 participants. It is not designed to prove any treatment works, only to observe changes. Results may not apply to everyone.

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 70 people

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

Expected to start

Dec 2025

An estimate. Start dates often move.

Expected to finish

Jun 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

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: * BMI ≥ 27.5 kg/m2 * serum ferritin \<30 μg/L * hemoglobin ≥ 11 g/dl * fasting blood glucose \< 5.6 mmol/L Exclusion Criteria: * intravenous or high dose oral iron in the preceding 2 months * medical disorders are known to affect iron absorption or metabolism, or T2DM * cigarette smoking * recent blood transfusion or major blood loss

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Conditions

The condition(s) this trial relates to.

Overweight

As listed by the trial registrant

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

Overweight and obese women

How to take part

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

  1. The places running it

    1 site. 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

  • American University of Beirut

    RECRUITING

    Beirut, Lebanon

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