• Hee-Geun Jo, Ho-Sueb Song, and Donghun Lee.
• Department of Bioinformatics and Statistics, Graduate School of Korea National Open University, 86 Daehak-ro, Jongro-gu, Seoul, Republic of Korea.
• Medicine (Baltimore). 2022 Feb 11; 101 (6): e28819e28819.

BackgroundRheumatoid arthritis (RA) is a chronic, inflammatory, and painful joint disease. The aim of this review is to systematically evaluate the efficacy and safety of oral administration East Asian herbal medicine monotherapy for inflammatory pain of RA, and to explore core herb material information based on collected data.MethodsA comprehensive literature search will be conducted in 11 electronic databases including PubMed, Cochrane Library, Cumulative Index to Nursing & Allied Health Literature, Excerpta Medica database, Korean Studies Information Service System, Research Information Service System Oriental Medicine Advanced Searching Integrated System, Korea Citation Index, Chinese National Knowledge Infrastructure Database, Wanfang data, citation information by NII for randomized controlled trials from their inception until October 13, 2021. Statistical analysis will be performed in the software R version 4.1.1. and R studio program using the default settings of the "meta" and "metafor" package. When heterogeneity in studies is detected, the cause will be identified through subgroup analysis. Methodological quality will be assessed independently using the revised tool for risk of bias in randomized trials (Rob 2.0).ResultsThis study will provide more comprehensive and specific evidence of East Asian herbal medicine monotherapy for RA pain management.ConclusionsBased on the results of this review, it is expected that the efficacy and safety of East Asian herbal medicine for inflammatory pain of RA may be confirmed. In addition, it will be possible to derivation of a core herb material information related to this research topic through additional data mining.Ethics And DisseminationThere are no ethical issues as there are no primary data collected by directly recruiting subjects. The results of this review will be reported in a peer-reviewed scientific journal.Prospero Registration NumberCRD42021273643.Copyright © 2022 the Author(s). Published by Wolters Kluwer Health, Inc.

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