• Yubiao Gu, Jin Huang, Honggang Guo, Xuewen Song, Jianguo Li, Yanlong Shi, and Xingwen Xie.
• Gansu Provincial Hospital of TCM.
• Medicine (Baltimore). 2020 Jun 12; 99 (24): e20666.

BackgroundKnee osteoarthritis (KOA) is a common chronic disorder of knee and the leading cause of pain in the elderly with an overall prevalence of 50% in people over 60 years of age. This disease is an important factor affecting the quality of life of middle-aged and elderly people, and its main symptom is knee joint pain. Due to the pain, the knee joint activity function is limited, bringing great pain to patients, affecting their quality of life, effective prevention, and treatment of KOA is a modern medical problem.MethodsThe 60 patients who met the inclusion criteria were randomly divided into the treatment group and the control group. In this study, single center, randomized control and equivalent clinical trial were used for treatment. The treatment group received Yuanhu Zhitong dropping pills within 4 weeks, and the control group received diclofenac sodium sustained-release capsule treatment within 4 weeks. The main measures were visual analogue scale (VAS), WOMAC osteoarthritis index score and gastrointestinal symptoms rating scale (GSRS).Secondary measures included biochemical markers and adverse reactions during treatment.ResultThe results of this trial will be published on the website of China Clinical Trial Registration Center (http://www.chictr.org.cn/searchprojen.aspx) and in peer-reviewed journals or academic conferences.ConclusionsThis study is to assess the efficacy and safety of Yuanhu Zhitong dropping pills for knee osteoarthritis (KOA).RegistrationPROSPERO (registration number ChiCTR1900024712).

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