Can a diabetes drug beat acne? new study says maybe
NCT ID NCT07357337
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study tested whether the diabetes drug metformin can treat moderate to severe facial acne as well as the antibiotic doxycycline. Sixty-eight people aged 12 to 40 took either metformin twice daily or doxycycline once daily for 12 weeks. Researchers counted pimples and used a standard acne grading system to see which drug worked better.
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Study facts
What this study's own registry entry says, in plain language.
- Phase
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Phase 4
Runs after approval, following long-term safety and how well the treatment works in everyday use.
- Participants
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68 people
The number who actually took part.
- Started
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Feb 2025
- Finished
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Oct 2025
- Lead sponsor
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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
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12 to 40 years
- Sex
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Anyone
- Healthy volunteers
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Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
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Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: * •Age: 12 years-40 years old * Gender: Both Female \& Male. * Moderate to severe Acne vulgaris (II and III) * Able to complete monthly treatment for 12th week * Noninflammatory acne Exclusion Criteria: * Hypersensitivity or allergic to doxycycline and metformin. * History of taking systemic medications one month prior. * Pregnancy and lactation.
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
Locations
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Ghurki Trust Teaching Hospital
Lahore, Punjab Province, Pakistan
More trials for these conditions
Other studies related to the condition(s) this trial covers.
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