Objective: The aim of this study was to systematically evaluate the therapeutic effects of Dihuang Yinzi decoction on Alzheimer's disease (AD) and provide a medical evidence-based clinical application of traditional Chinese medicine (TCM).
Methods: A comprehensive search was conducted across multiple databases, including PubMed, Embase, Cochrane Library, China National Journals Full-text Database, VIP Database for Chinese Technical Periodicals, Wan Fang database, and SinoMed database, to collect clinical randomized controlled trials of Dihuang Yinzi decoction in the treatment of AD. Strict literature screening was performed based on predefined inclusion and exclusion criteria. The Cochrane Collaboration risk of bias assessment tool and the Grading of Recommendations Assessment, Development, and Evaluation (GRADE) system recommendation-level method was used to assess the quality of the included studies. Review Manager 5.4 and Stata 17 software were used for data synthesis and processing, while GRADE Profiler 3.6 software was used to evaluate the quality of evidence for outcome indicators (risk ratio, standardized mean difference, and weighted mean difference).
Results: A total of 11 studies involving 798 patients met the inclusion criteria. Dihuang Yinzi decoction, whether used alone or in combination with conventional Western medicine, demonstrated superior efficacy compared to conventional Western medicine alone in improving the clinical effective rate, TCM syndrome score, activity of daily living score, Mini-Mental State Examination score, and Hasegawa Dementia Scale score in AD treatment. Furthermore, it exhibited a favorable safety profile. However, the GRADE evidence quality rating for the included studies was low.
Conclusions: Dihuang Yinzi decoction, either used alone or in combination with conventional Western medicine, shows promising results in enhancing cognitive and memory functions as well as the self-care ability of patients with AD. However, the low GRADE evidence quality rating highlights the need for focused advancements in the planning and execution of clinical randomized controlled trials during future research attempts.
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http://dx.doi.org/10.1159/000531931 | DOI Listing |
J Ethnopharmacol
January 2025
School of Basic Medical Sciences, Shanxi University of Chinese Medicine, Jinzhong, Shanxi, 030619; Shanxi Provincial Key Laboratory of TCM Encephalopathy; National International Joint Research Center for Molecular Traditional Chinese Medicine. Electronic address:
Ethnopharmacological Relevance: Dihuang Drink (DHD), formulated by Liu Hejian during the Yuan Dynasty, is listed as one of the first ancient classical prescriptions by the National Medical Products Administration of China. It is commonly used for the prevention and treatment of Alzheimer's disease (AD). This study further investigates the therapeutic effects and potential mechanisms of DHD in AD.
View Article and Find Full Text PDFHeliyon
March 2024
School of Basic Medicine, Heilongjiang University Of Chinese Medicine, Harbin, 150040, China.
Ethnopharmacological Relevance: Alzheimer's disease (AD) is an incurable neurodegenerative disease that has become one of the most important diseases threatening global public health security. Dihuang Yinzi (DHYZ) is a traditional Chinese medicine that has been widely used for the treatment of AD and has significant therapeutic effects, but its specific mechanism of action is still unclear.The aim of the study is to investigate the specific mechanism of DHYZ in treating AD based on brain metabolomics and network pharmacology.
View Article and Find Full Text PDFJ Ethnopharmacol
January 2025
Shanxi Key Laboratory of Chinese Medicine Encephalopathy, Jinzhong, Shanxi, 030619, China; National International Joint Research Center for Molecular Traditional Chinese Medicine, Jinzhong, Shanxi, 030619, China; Basic Medical College of Shanxi University of Chinese Medicine, Jinzhong, Shanxi, 030619, China; Shanxi University of Chinese Medicine, Jinzhong, Shanxi, 030619, China. Electronic address:
Complement Med Res
November 2023
Basic Medical College, Shanxi University of Chinese Medicine, Jinzhong, China.
Objective: The aim of this study was to systematically evaluate the therapeutic effects of Dihuang Yinzi decoction on Alzheimer's disease (AD) and provide a medical evidence-based clinical application of traditional Chinese medicine (TCM).
Methods: A comprehensive search was conducted across multiple databases, including PubMed, Embase, Cochrane Library, China National Journals Full-text Database, VIP Database for Chinese Technical Periodicals, Wan Fang database, and SinoMed database, to collect clinical randomized controlled trials of Dihuang Yinzi decoction in the treatment of AD. Strict literature screening was performed based on predefined inclusion and exclusion criteria.
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