New eczema drug ZL-1503 enters first human safety trial

NCT ID NCT07235384

First seen Jun 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This early-stage trial is testing a new drug called ZL-1503 for safety and how the body processes it. It involves 84 participants: first healthy volunteers, then people with moderate to severe atopic dermatitis (eczema). The study is 'double-blind' and 'placebo-controlled,' meaning some participants get the drug and some get a dummy pill, and neither they nor the doctors know who got what. The main goal is to check for side effects, not yet to see if it works for eczema.

What this could mean

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

Active substance

ZL-1503

What this could lead to

If this early trial shows ZL-1503 is safe, it could lead to a new treatment option for moderate to severe atopic dermatitis.

What could go wrong

This is a very early phase 1 study with only 84 participants, focused on safety. It is too soon to know if ZL-1503 will effectively treat atopic dermatitis or have serious side effects.

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

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

  • ZaiLab Site 18001

    RECRUITING

    Auckland, Auckland, New Zealand