First human tests begin for new drug DW4421

NCT ID NCT07691242

First seen Jul 08, 2026 · Last updated Jul 09, 2026 · Updated 1 time

Summary

This early-stage trial evaluates the safety of multiple doses of an investigational drug called DW4421 in healthy adults aged 19 to 50. Researchers will measure how the drug moves through the body and how it is processed. The study aims to gather essential safety and dosing information before testing in patients.

What this could mean

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

Active substance
DW4421
What this could lead to
If safe, this could pave the way for future studies of DW4421 as a potential treatment.
What could go wrong
This is an early phase 1 trial in a small number of healthy people, so it cannot prove effectiveness and may reveal unexpected side effects.

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As listed by the trial registrant

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

Contacts and locations

Locations

  • Chungbuk National University Hospital

    Cheongju-si, North Chungcheong, South Korea

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

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