Ancient herbal mix put to the test for chronic throat pain
NCT ID NCT05665777
First seen Jul 30, 2026 · Last updated Jul 31, 2026 · Updated 1 time
Summary
This trial tests whether a Chinese herbal formula called Qingyan Lihou Decoction can relieve chronic pharyngolaryngitis — a long-lasting sore throat, dryness, and irritation. About 74 adults with persistent throat symptoms will receive either the herbal granules or a placebo for 8 weeks. Researchers will measure symptom improvement using throat exams and patient-reported scores.
What this could mean
Our plain-language read of the trial. This is informational only — not medical advice or a prediction.
- Active substance
- a Chinese herbal formula called Qingyan Lihou Decoction
- What this could lead to
- If effective, this herbal formula could offer a new treatment option for people with chronic throat discomfort.
- What could go wrong
- This is a small, early-stage trial, and the herbal formula may work no better than placebo. Herbal products can also cause side effects or interact with other medications.
This is an AI summary of the original study and may miss details. Read our disclaimer.
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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
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Hong Kong Institute of Integrative Medicine
RECRUITINGHong Kong, Hong Kong