First human test of ZL-1503 begins to uncover how the body handles it

NCT ID NCT07658482

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

Summary

This early-stage trial is testing a new drug called ZL-1503 in healthy volunteers. The goal is to understand how the drug moves through the body, how safe it is, and how well people tolerate it after a single injection under the skin or into a vein. The study involves 36 healthy adults aged 18 to 65 and will help guide future research.

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 successful, this study could provide key data to support further development of ZL-1503 for potential future use in patients.

What could go wrong

This is an early phase 1 trial in healthy volunteers, so results may not predict effects in patients. Side effects or lack of tolerability could halt development.

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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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

    Auckland, Auckland, New Zealand