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Xiao-Yao-San
Xiao-Yao-San is a traditional Chinese herbal formula that regulates liver qi stagnation and spleen deficiency to restore emotional and digestive balance.
Xiao-Yao-San is a traditional Chinese herbal formula that regulates liver qi stagnation and spleen deficiency to restore emotional and digestive balance. Used for Liver qi stagnation with spleen deficiency, Stress-related emotional and digestive symptoms, Premenstrual syndrome and menstrual irregularities.
At a glance
| Generic name | Xiao-Yao-San |
|---|---|
| Sponsor | Yu-Ching HSU |
| Modality | Small molecule |
| Therapeutic area | Mental Health / Digestive Health (Traditional Chinese Medicine) |
| Phase | FDA-approved |
Mechanism of action
This classical herbal combination works by promoting the free flow of liver qi, strengthening spleen function, and harmonizing the body's energy systems according to traditional Chinese medicine theory. It is traditionally used to address stress-related symptoms, mood disturbance, and digestive complaints that arise from emotional constraint and constitutional weakness.
Approved indications
- Liver qi stagnation with spleen deficiency
- Stress-related emotional and digestive symptoms
- Premenstrual syndrome and menstrual irregularities
Common side effects
Key clinical trials
- Acupuncture and Chinese Herbal Medicine for Long COVID (NA)
- The Potential Benefit of Xiao-Yao-San Treatment in Patients With Insomnia (PHASE4)
- Effect of Traditional Chinese Medicine on Basic Tear Secretion and Tear Cytokines in Patients With Dry Eye Disease (PHASE2)
- A Clinical Trial to Evaluate the Safety and Efficacy of Traditional Chinese Medicine in Sjögren's Syndrome. (PHASE2)
- The Efficacy of Traditional Chinese Herbal Medicine for Dementia (NA)
- The Study of Two Different Chinese Traditional Medicine Treatment on Chronic Hepatitis B (NA)
- A Study of Chinese Medicine Treating Depression
Primary sources
Every claim on this page is sourced from regulatory or scientific primary sources. See our editorial policy for full methodology.
| Source | Used for |
|---|---|
| ClinicalTrials.gov | Trial enrolment, design, endpoints, results |
Competitive intelligence
For the full competitive landscape — auto-detected comparators, recent regulatory actions across the set, upcoming PDUFA, patent timeline, sponsor landscape:
- Xiao-Yao-San CI brief — competitive landscape report
- Xiao-Yao-San updates RSS · CI watch RSS
- Yu-Ching HSU portfolio CI