科研之友
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摘要
Objective To evaluate clinical efficacy and safety of topical compound oleum lithospermi in the treatment of mild to moderate diaper dermatitis. Methods A multicenter, randomized, positive?drug parallel?controlled clinical trial was conducted in 19 hospitals from July 2019 to August 2020. Children aged 0 - 12 months with mild to moderate diaper dermatitis were enrolled and randomly divided into 2 groups using a random number table: test group topically treated with compound oleum lithospermi, and control group topically treated with zinc oxide cream. The treatment was carried out 6 - 8 times a day for 7 days. Visits were scheduled on days 0 and 7, and total response rate and clinical healing time were evaluated. Changes in the dermatitis family impact（DFI）score were compared between the test group and control group, and adverse events were recorded. Statistical analysis was carried out by using independent? sample t test for normally distributed continuous data, Wilcoxon rank sum test for non?normally distributed continuous data, and chi?square test or Fisher′s exact test for unordered categorical data; survival curves were drawn, and log ? rank test was used for comparisons between two groups. Results A total of 343 children with diaper dermatitis were enrolled in this study. Among them, 31 children violated the protocol, so 312 were included in the per protocol set, including 157 in the test group and 155 in the control group, and all completed the visits on days 0 and 7. The total response rate was significantly higher in the test group（87.26%, 137/157）than in the control group（78.71%, 122/155; χ2 = 4.04, P = 0.044）. The clinical healing time was significantly shorter in the test group（5.33 days）than in the control group（6.13 days; χ2 = 4.67, P = 0.025）. After 7?day treatment, the DFI score significantly decreased in both the 2 groups compared with that before the treatment, but there was no significant difference in the DFI score between the 2 groups（test group: 4.02 ± 6.96, control group: 3.58 ± 5.90, Z = -0.39, P = 0.686）. The incidence of adverse events was 2.92%（5/171）and 5.45%（9/165）in the test group and control group respectively, and there was no significant difference between the 2 groups（χ2 = 0.03, P = 0.865）. Conclusion Compound oleum lithospermi can markedly reduce the clinical severity of diaper dermatitis, improve the total response rate, shorten the clinical treatment period, and improve the quality of life of children′ s families with a favorable safety profile. ? 2022 Chinese Journal of Dermatology.
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