New insomnia pill passes first safety check in healthy volunteers
NCT ID NCT04667429
First seen Jun 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time
Summary
This early-stage trial tested a new drug called HEC83518 in 57 healthy Chinese adults to see if it is safe and how the body processes it. Participants took the drug or a placebo daily for 15 days. The study focused on side effects and drug levels in the blood, not on whether it improves sleep.
What this could mean
Our plain-language read of the trial. This is informational only — not medical advice or a prediction.
Active substance
HEC83518
What this could lead to
If successful, this could lead to a new sleep aid for people with insomnia.
What could go wrong
This is an early Phase 1 safety study in healthy people, not patients. It does not test if the drug actually helps with insomnia, and many early-stage drugs fail to show benefit later.
Disclaimer
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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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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
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Locations
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The Shanghai Xuhui Central Hospital
Shanghai, Shanghai Municipality, China