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Could a chromium supplement help obese adults breathe easier?

NCT ID NCT07703358

Disease control Sponsor: Cairo University Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now
This trial is taking on new participants right now.
Not yet recruiting This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Jul 14, 2026 · Last updated Jul 15, 2026 · Updated 1 time

Summary

This study tests whether taking chromium picolinate daily for 12 weeks improves asthma control in obese adults. Researchers believe that chromium may help by addressing metabolic issues like insulin resistance that can worsen asthma. Sixty participants will receive either the supplement or a placebo alongside their usual asthma medications.

What this could mean

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

Active substance
chromium picolinate dietary supplement
What this could lead to
If it works, this could point toward a simple, low-cost supplement to help obese adults with asthma gain better control over their symptoms.
What could go wrong
This is a small, early-stage trial with only 60 participants, so results may not apply broadly. Chromium supplements can cause side effects like stomach upset or headaches.

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 60 people

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

Expected to start

Aug 2026

An estimate. Start dates often move.

Expected to finish

Aug 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

18 to 65 years

Sex

Anyone

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: * Age: 18-65 years * Confirmed asthma diagnosis according to GINA criteria (7) * Asthma stable for at least 4 weeks (no acute exacerbation) * BMI of 30 kg/m² (obese category) * Stable inhaled corticosteroid + LABA regimen in the last 4 weeks * The patient is compliant on his asthma medication * Willing and able to provide informed consent * willing to continue in the study, follow investigator instructions Exclusion Criteria: * \- Recent asthma exacerbation (within the last 4 weeks) * Any change in asthma medications within 4 weeks * renal or hepatic disease * Use of lipid-lowering drugs or supplements in the past 3 months * Use of Vitamin C, prostaglandin inhibitors, such as aspirin, oxalate, and antacids * Current pregnancy or lactation * Known allergy to chromium or adverse reaction to supplementation * Participation in another interventional study in the past month * History of heavy metal toxicity or chromium sensitivity * Being on any weight control diet * Being on a supplement containing chromium

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Conditions

The condition(s) this trial relates to.

asthma chronic asthma Weight Loss

As listed by the trial registrant

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

Asthma chronic Bronchial asthma

How to take part

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  1. 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 ↗

  2. A doctor treating you

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