New drug DW4421 put through interaction test with common antibiotics
NCT ID NCT07382661
First seen Feb 03, 2026 · Last updated Jun 22, 2026 · Updated 27 times
Summary
This early-stage trial will test how a new drug called DW4421 interacts with two common antibiotics (amoxicillin and clarithromycin) in 36 healthy adults aged 19 to 50. The study measures safety and how the drug levels change when taken together. It does not aim to treat any disease.
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This is a summary of
the original study
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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.
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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Contacts and locations
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Locations
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Chungbuk National University Hospital
Cheongju-si, North Chungcheong, South Korea
Contact Phone: •••-•••-•••• Email: •••••@•••••
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 could go wrong
This is an early phase 1 study in healthy volunteers, not patients. It only measures drug levels and safety, not whether the drug works for any disease.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.