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. 2020 Aug 14;99(33):e21624.
doi: 10.1097/MD.0000000000021624.

Compound glycyrrhizin combined with antihistamines for chronic urticaria: A protocol for systematic review and meta analysis

Wei Cao  1 , Xianjun Xiao  1   2 , Leixiao Zhang  1 , Ying Liu  1 , Lu Wang  1 , Zihao Zou  1 , Yue Cao  1 , Chunxiao Li  3 , Qianhua Zheng  1 , Siyuan Zhou  1 , Ying Li  1
Affiliations

Compound glycyrrhizin combined with antihistamines for chronic urticaria: A protocol for systematic review and meta analysis

Wei Cao et al. Medicine (Baltimore). .

Abstract

Background: To investigate the efficacy and safety of compound glycyrrhizin (CG) combined with antihistamines in the treatment of chronic urticaria (CU).

Methods: We will use computers to search all databases including Medline, Embase, Pubmed, Web of Science and Cochrane Central Register of Controlled Trials and China's 4 databases: China National Knowledge Infrastructure Database, China Biomedical Literature Database, China Science Journal Database, and Wanfang Database. Find data from creation date to July 2020. In addition, we will manually search the list of medical journals as a supplement. The scope of the search included randomized controlled clinical studies related to CG combined with antihistamines for CU. The primary outcome is the disease activity control. Secondary outcomes include response rate, adverse events, and recurrence rates. The Cochrane RevMan V5.3 Deviation Assessment Tool will be used to assess bias assessment risk, data integration risk, meta-analysis risk, and subgroup analysis risk (if conditions are met). The average difference, standard mean difference, and binary data will be used to represent continuous results.

Results: This study will comprehensively review the existing evidence on CG combined with antihistamines for CU.

Conclusion: This systematic review will provide a basis for judging the effectiveness and safety of CG combined with antihistamines in the treatment of CU.

Systematic review registration: PROSPERO, CRD42020156153.

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Conflict of interest statement

The authors have no conflicts of interest to disclose.

Figures

Figure 1
Figure 1
The PRISMA flow diagram of the study selection process. PRISMA = preferred reporting items for systematic reviews and meta-analysis protocols.
See this image and copyright information in PMC

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