The efficacy and safety of a Huanglian-jie-du decoction on Hwa-byung patients: A study protocol for a randomized controlled trial

  • Choi, Yu-Jin (Department of Clinical Korean Medicine, Graduate School, Kyung Hee University) ;
  • Chung, Sun-Yong (Department of Neuropsychiatry, College of Korean Medicine, Kyung Hee University) ;
  • Cho, Seung-Hun (Department of Neuropsychiatry, College of Korean Medicine, Kyung Hee University)
  • Received : 2017.10.02
  • Accepted : 2018.02.28
  • Published : 2018.03.31


Objective: Hwa-byung is one of the cultural concept of distress in Korea resulted from chronic accumulated anger. It is characterized by various symptoms like stuffy in the chest, hot or heat sensation, something pushing up in the chest, feeling of mortification, and a flush of anger. This protocol aims to explore the efficacy and safety of Huanglian-jie-du decoction on various somatic symptoms and insomnia in patients with Hwa-byung. Methods: This is study protocol for a randomized, double-blind, placebo-controlled trial. A total of 44 patients will be randomly assigned to the experimental group or the placebo group in a 1:1 ratio. All medications will be taken orally 3 times per day for 7 consecutive days. The primary outcomes are the mean changes in Patient Health Questionnaire of physical symptoms (PHQ-15) and Insomnia Severity Index (ISI) after the 7 days of administration. The secondary outcomes include the scales to assess stress response, symptoms of Hwa-byung, and state anger. Conclusion: The results of this study will provide high quality and explorative evidence to investigate the effect of Huanglian-jie-du decoction on Hwa-byung.


Supported by : Korea Health Industry Development Institute (KHIDI)


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