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Houyanqing Oral Liquid

Sun Yat-sen University · Phase 3 active Small molecule

Houyanqing Oral Liquid is a traditional Chinese medicine formulation that modulates immune function and inflammatory pathways to treat respiratory and related conditions.

Houyanqing Oral Liquid is a traditional Chinese medicine formulation that modulates immune function and inflammatory pathways to treat respiratory and related conditions. Used for Cough and phlegm-related respiratory conditions, Chronic respiratory symptoms (Phase 3 indication under investigation).

At a glance

Generic nameHouyanqing Oral Liquid
SponsorSun Yat-sen University
ModalitySmall molecule
Therapeutic areaRespiratory / Immunology
PhasePhase 3

Mechanism of action

The exact molecular targets are not well-characterized in Western pharmacological literature, as this is a multi-component herbal preparation. It is believed to work through multiple bioactive compounds that collectively enhance immune response and reduce inflammation in respiratory tissues. The formulation is used primarily in Chinese medicine practice for treating cough, phlegm, and respiratory symptoms.

Approved indications

Common side effects

No common side effects on file.

Key clinical trials

Primary sources

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SourceUsed for
ClinicalTrials.govTrial enrolment, design, endpoints, results

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