New drug could tame rare muscle disease and cut steroid use

NCT ID NCT04972760

First seen Jun 08, 2026 · Last updated Jun 22, 2026 · Updated 4 times

Summary

This Phase 3 trial tests baricitinib, a JAK inhibitor pill, in 62 adults with dermatomyositis, a rare disease causing muscle weakness and skin rashes. The goal is to see if baricitinib can improve symptoms and allow patients to stop steroids. Participants receive baricitinib or placebo for 24 weeks alongside standard care.

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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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Contacts and locations

Study contacts

  • Contact

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

  • Contact

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

Locations

  • Pitie-Salpêtrière hospital APHP

    RECRUITING

    Paris, 75013, France

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

What this could mean

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

Active substance

Baricitinib (a JAK inhibitor drug taken as a pill)

What this could lead to

If it works, baricitinib could offer a new treatment option for dermatomyositis that helps control the disease with less reliance on steroids.

What could go wrong

This is a relatively small Phase 3 trial (62 people), and baricitinib may not prove more effective than placebo. Side effects of JAK inhibitors include infection risk.

Conditions

The condition(s) this trial relates to.

dermatomyositis

As listed by the trial registrant

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