Efficacy and safety of Xiaofeng powder in the treatment of chronic urticaria: A systematic review and meta-analysis
Abstract
Background: Chronic urticaria is a group of skin diseases characterized by pruritus and/or vascular oedema and belongs to the category of "addictive rash" in Traditional Chinese Medicine, and its aetiology is closely related to wind evil. Antihistamines are often used in treatment. Although they have certain effects, they also easily cause disease recurrence. Xiaofeng powder treats this disease has a significant effect in improving the disease state and reducing the recurrence rate. However, there is a lack of evidencebased research. This study to systematically evaluate the clinical efficacy of modified Xiaofeng powder in the treatment of chronic urticaria (CU).
Methods: Computer searches of Chinese databases such as China National Knowledge Infrastructure, China Scientific Journal Database, China Biomedical Literature Database, and WanFang Date and foreign databases such as PubMed and the Web of Science were performed. We retrieved published clinical randomized controlled trials of Xiaofeng powder in the treatment of CU from the establishment of the databases to November 2023. The data were extracted from clinical trials that met the inclusion criteria of this study, and the quality was evaluated through the Cochrane Handbook of Systematic Reviews 5.1.0. Finally, a meta-analysis was performed using RevMan 5.3 statistical software.
Results: A total of 11 randomized controlled trials involving 1076 patients were included. The cure rate odds ratio (OR) and 95% confidence…
How strong is the evidence?
Evidence Hub reads this as a meta-analysis, done in people. Its evidence level is 1 of 5 (Highest · pooled evidence). Pooled evidence from several studies sits at the top of the evidence pyramid. Reported size: 1,076 participants or records.
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