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Diabetes drug cream shows promise for treating stubborn facial melasma

NCT ID NCT07485777

Symptom relief Sponsor: Foundation University Islamabad 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Jun 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study compares a cream made from the diabetes drug metformin to the standard Kligman's regimen for treating melasma, a common skin condition causing dark patches on the face. About 82 women aged 35-55 will apply one of the two creams nightly for 8 weeks, along with sunscreen. Researchers will measure how much the dark patches fade and track side effects like redness or burning.

What this could mean

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

Active substance
topical 30% metformin cream
What this could lead to
If it works, this could offer a new, gentler option for treating melasma with fewer side effects than standard therapy.
What could go wrong
This is a small, early-stage trial with only 82 participants. Metformin cream is not yet proven for melasma, and results may not apply to all skin types or ages.

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 82 people

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

Expected to start

Jul 2026

An estimate. Start dates often move.

Expected to finish

Jun 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

35 to 55 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: * Female patients aged 35-55 years * Clinically diagnosed epidermal or dermal melasma (confirmed by Wood's lamp examination) * Fitzpatrick skin types III-V * Duration of melasma ≥6 months * No topical or systemic treatment for melasma in the past month Exclusion Criteria: * Pregnancy or lactation * Known allergy to study medications * Active facial dermatitis, acne, or recent cosmetic procedures

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Conditions

The condition(s) this trial relates to.

Melanosis

As listed by the trial registrant

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

Melasma Melasma (facial melasma)

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

  • Fauji Foundation Hospital, Rawalpindi

    Rawalpindi, Punjab Province, 44000, Pakistan

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