Could a common diabetes drug help repair MS damage in kids?

NCT ID NCT04121468

First seen Jun 26, 2026 · Last updated Jun 26, 2026

Summary

This study tests whether metformin, a widely used diabetes drug, is safe and feasible for children and young adults (ages 10-25) with multiple sclerosis. Participants take metformin daily for 3 to 9 months, with the start time randomly assigned. The main goal is to see if the drug can help repair nerve damage in the eye, which may indicate broader benefits for the brain.

What this could mean

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

Active substance

metformin (a common diabetes drug)

What this could lead to

If it works, this could point toward a way to repair nerve damage in young people with MS, potentially slowing disease progression.

What could go wrong

This is a very early, small trial (20 people) focused on safety and feasibility, not effectiveness. Metformin is not proven for MS, and side effects are possible.

Disclaimer Read more

This is a summary of the original study . Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.

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Conditions

The condition(s) this trial relates to.

multiple sclerosis

As listed by the trial registrant

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

Contacts and locations

Study contacts

  • Contact

    Phone: •••-•••-•••• Email: •••••@•••••

  • Contact

    Phone: •••-•••-•••• Email: •••••@•••••

Locations

  • The Hospital for Sick Children

    RECRUITING

    Toronto, Ontario, M5G 1X8, Canada

    Contact Phone: •••-•••-•••• Email: •••••@•••••