New eczema drug enters first human trials

NCT ID NCT07527923

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

Summary

This study is the first time REGN20423 is being tested in humans. It will enroll 144 adults, first healthy volunteers and then people with atopic dermatitis (eczema). The goal is to check safety, side effects, how the drug moves through the body, and whether it helps eczema symptoms.

What this could mean

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

Active substance

REGN20423 (an experimental drug)

What this could lead to

If successful, this could lead to a new treatment option for atopic dermatitis (eczema) that helps control symptoms.

What could go wrong

This is a very early Phase 1 trial, so the drug may not prove safe or effective. It has never been tested in humans before, and side effects are unknown.

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.

atopic eczema dermatitis Eczema

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: •••••@•••••

Locations

  • Center for Clinical Pharmacology University Hospitals Leuven (UZ Leuven)

    RECRUITING

    Leuven, Vlaams-Brabant, 3000, Belgium