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The Shexiang Zhuifeng Zhitong Ointment with the effects of dispelling wind, removing dampness, dissipating cold, and relieving pain is used for treating arthralgia, muscular pain, and sprain pain caused by cold-dampness obstruction. To evaluate the efficacy and safety of Shexiang Zhuifeng Zhitong Ointment in relieving the pain due to knee osteoarthritis(syndrome of cold-dampness obstruction), a randomized, double-blind, parallel controlled, multicenter clinical trial was conducted. The stratified randomization method was used to randomize the 240 subjects into a treatment group and a control group in a ratio of 1∶1. In each group, 60 patients received external application for 12 h and the other 60 patients received external application for 6 h. The treatment group received external application of Shexiang Zhuifeng Zhitong Ointment, while the control group received external application of Shexiang Zhuifeng Ointment. The treatment lasted for 21 days in both groups. Follow-up was conducted on days 7, 14, and 21 of treatment. The results based on the full analysis set were as follows.(1)In visual analog scale(VAS) score, the mean difference in the VAS score between baseline and 12 h post-treatment was 3.02 in the treatment group and 2.31 in the control group, with a significant difference(P<0.05). The mean difference in the VAS score between baseline and 6 h post-treatment was 3.19 in the treatment group and 2.48 in the control group, with a significant difference(P<0.05).(2)Response rate in terms of VAS score, after treatment for 12 h, the response rate was 93.22% in the treatment group and 73.33% in the control group, with a significant difference(P<0.05). After treatment for 6 h, theresponse rate in the treatment group was 88.33%, which was higher than that(63.33%) in the control group(P<0.05).The results showed that Shexiang Zhuifeng Zhitong Ointment applied for 12 and 6 h effectively relieved the knee joint pain of patients with knee osteoarthritis due to cold-dampness obstruction, as demonstrated by the reduced VAS score, Western Ontario and McMaster Universities Arthritis Index(WOMAC), stiffness, and joint function score. Moreover, Shexiang Zhuifeng Zhitong Ointment outperformed the positive control Shexiang Zhuifeng Ointment in terms of reducing the VAS score, demonstrating a definitetherapeutic effect on the pain due to knee osteoarthritis(syndrome of cold-dampness obstruction).In addition, Shexiang Zhuifeng Zhitong Ointment did not cause other adverse reactions except for mild allergic reactions, which were common in the external application of traditional Chinese medicine plasters on the skin, inseveral patients.Neither other adverse reactions nor abnormalities of liver and kidney functions and electrocardiogram were observed. This ointment had high safety and could be popularized in clinical application.

Objective: To study the effect of Shengji Huayu Recipe (SHR)on the expression of MMP-3 and TIMP-1 in the skin ulcer tissue of diabetic rats., Methods: The skin ulcer model was established in diabetic mice. Different compatibility proportions of SHR [the ratio of Shengji Recipe (SJR) to Huayu Recipe (HYR) = 2:1, 1:1, and 1:2, respectively] were used to intervene. The expression of MMP-3 protein in the skin ulcer of diabetic rats was detected by Western blot method,and TIMP-1 protein was detected by immunohistochemical assay., Results: At each time point, there was no statistical difference in the blood glucose level among groups (P > 0.05). But all of them increased significantly,when compared with those of the normal wound group (P < 0.01). As for the difference between after would area treatment and before would area treatment, better effect was obtained in the SHR No. 3 group and the normal ulcer group than in the diabetic ulcer model group (P < 0.05). Results of Western blot showed that the MMP-3 protein expression was higher in the SHR No. 2 group than in the SHR No.3 group (P < 0.05). Immunohistochemical results showed that TIMP-1 protein expression was lower in the SHR No. 2 group than in the SHR No. 3 group and the diabetic ulcer model group (P < 0.05). TIMP-1 protein expression was higherin the SHR No. 3 group than in the SHR No. 2 group (P < 0.01)., Conclusion: Using SHR No.3 was conducive to the promotion of wound healing in early wound repair stage, and using SHR No. 2 might be conducive to inhibiting the formation of pathological scar.