New drug aims to thicken nerves and strengthen grip in rare nerve disorder

NCT ID NCT07610564

Not yet recruiting Disease control Sponsor: argenx Source: ClinicalTrials.gov ↗

First seen Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This early-stage trial tests an experimental drug called empasiprubart in 60 adults with multifocal motor neuropathy (MMN), a rare condition that causes muscle weakness. The drug is given as an IV infusion, and researchers will use ultrasound to measure nerve thickness, along with tests of muscle strength and grip. The study is open-label, meaning everyone gets the drug, and participants will be followed for about 29 months.

What this could mean

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

Active substance

empasiprubart (intravenous infusion)

What this could lead to

If it works, this could point toward a treatment that slows nerve damage and improves muscle strength in people with multifocal motor neuropathy.

What could go wrong

This is a very early, small Phase 1b study with no placebo group, so results may not prove effectiveness. The drug may cause side effects or fail to show meaningful benefit.

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.

multifocal motor neuropathy

As listed by the trial registrant

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

Contacts and locations

Study contacts

  • Contact

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