Clinical Efficacy and Regulation of Skin Microbiota in Children with Atopic Dermatitis and Damp-heat Accumulation Syndrome Treated with Zhaqu Xiaofeng Powder (楂曲消风散)
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Clinical Efficacy and Regulation of Skin Microbiota in Children with Atopic Dermatitis and Damp-heat Accumulation Syndrome Treated with Zhaqu Xiaofeng Powder (楂曲消风散)
Journal of Traditional Chinese MedicineVol. 65, Issue 8, Pages: 810-820(2024)
ZHANG Xueer,YE Shengzhen,ZHENG Pai,et al.Clinical Efficacy and Regulation of Skin Microbiota in Children with Atopic Dermatitis and Damp-heat Accumulation Syndrome Treated with Zhaqu Xiaofeng Powder (楂曲消风散)[J].Journal of Traditional Chinese Medicine,2024,65(08):810-820.
ZHANG Xueer,YE Shengzhen,ZHENG Pai,et al.Clinical Efficacy and Regulation of Skin Microbiota in Children with Atopic Dermatitis and Damp-heat Accumulation Syndrome Treated with Zhaqu Xiaofeng Powder (楂曲消风散)[J].Journal of Traditional Chinese Medicine,2024,65(08):810-820.DOI: 10.13288/j.11-2166/r.2024.08.008.
Clinical Efficacy and Regulation of Skin Microbiota in Children with Atopic Dermatitis and Damp-heat Accumulation Syndrome Treated with Zhaqu Xiaofeng Powder (楂曲消风散)
To assess the clinical efficacy and regulation of skin microbiota in children with atopic dermatitis and damp-heat accumulation syndrome treated by
Zhaqu Xiaofeng Powder
(楂曲消风散, ZXP).
Methods
2
Ninety children were randomized into a treatment group and a control group, each with 45 children. The treatment group received ZXP orally, while the control group received levocetirizine hydrochloride syrup, both for 4 weeks. The atopic dermatitis severity index (SCORAD)score, visual analog scale (VAS)score for itching, children dermatology life quality index (CDLQI)score, and traditional Chinese medicine syndrome score were assessed before and after 2- and 4-week treatment. Simultaneously, adhering to the principles of sample size in microbial sequencing, 25 children were randomly selected from each group (total 50 children); skin samples were collected before and after treatment, and skin specimen DNA was extracted for 16S rRNA gene amplifier sequencing; the skin microbiota levels were detected, and the distribution of bacteria, diversity of flora, and differences between groups were compared.
Results
2
There were five drop-outs in each group, and 40 cases in each group were included in final analysis.
A
fter 2- and 4-week treatment, both groups showed a significant reduction in SCORAD scores, VAS scores, and CDLQI scores, and more reductions were shown after 4-week treatment than 2-week treatment (
P
<0.01). The SCORAD score, VAS score, and CDLQI score of the treatment group were significantly lower than those in the control group after 4-week treatment (
P
<0.01). The scores of upset, thirsty, poor appetite, short red urine, and dry stool were reduced in the treatment group (
P
<0.05), while the scores of thirsty, poor appetite, short and red urine decreased after treatment (
P
<0.05). After 4 weeks of treatment, among the differential genera with abundances >0.5% in the treatment group, The cumulative relative abundances of Staphylococcus aureus, Streptococcus_mitis, Escherichia coli and Gemella_haemolysans in the treatment group were downregulated after treatment; in the control group, there was a relative cumulative decrease in the abundance of Streptococcus_mitis. The control group had reduced relative abundance of Streptococcus_mitis, Escherichia coli, Staphylococcus aureus and Gemella_haemolysans, after treatment (
P
<0.05). Alpha diversity analysis revealed an increase in both Chaol index and Shannon index after treatment (
P
<0.05), while there was no significant difference in Chaol index and Shannon index in the control group before and after treatment (
P
>0.05). Higher Chaol index and Shannon index were found in the treatment group (
P
<0.05). Beta diversity analysis showed that there were significant differences in the microbial community structure at the lesion site between the treatment group and the control group before treatment. The microbial community structure in the treatment group was similar after treatment, while there was no significant change in the microbial community structure in the control group before and after treatment. There were significant structure differences of key bacteria genus in both groups before and after treatment.
Conclusion
2
ZXP used in the treatment of pediatric atopic dermatitis (AD)with the syndrome of damp-heat accumulation, has shown efficacy in reducing the severity of skin lesions, alleviating itching, and enhancing the quality of life in children. This modulation aims to decrease the abundance of pathogenic bacteria while promoting the colonization of beneficial bacteria, thereby altering the skin microbiota and contributing to the treatment of pediatric AD.
关键词
Keywords
references
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