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New possibility of traditional Chinese and Japanese medicine as treatment for behavioral and psychiatric symptoms in dementia

Authors Kung, Ishii R, Liu H, Takeda M

Received 30 July 2012

Accepted for publication 31 August 2012

Published 4 October 2012 Volume 2012:7 Pages 393—396

DOI https://doi.org/10.2147/CIA.S36509

Checked for plagiarism Yes

Review by Single-blind

Peer reviewer comments 4

Fan-Chin Kung,1 Ryouhei Ishii,2 Hsing-Cheng Liu,3 Masatoshi Takeda2

1Yuli Hospital, DOH, Hualien, Taiwan; 2Department of Psychiatry, Osaka University Graduate School of Medicine, Osaka, Japan; 3Department of General Psychiatry, Taipei City Psychiatric Center, Taipei, Taiwan

Abstract: Yokukansan, one of the Kampo prescriptions, is composed of seven herbaceous plants and was developed in China in the 16th century as a cure for restlessness and agitation in children. Yokukansan has also become a popular drug combination in Japan, especially for the behavioral and psychiatric symptoms of dementia (BPSD). Recent studies have shown that yokukansan might also be quite effective against BPSD occurring in association with other types of dementia, such as Alzheimer's disease, Lewy body disease, Parkinson's disease with dementia, frontotemporal dementia, and vascular dementia. Researchers have intensively investigated yokukansan, focusing on the pharmacological mechanisms against glutamate-mediated excitotoxicity. This traditional Chinese and Japanese medicine holds potential promise for improving BPSD in elderly patients suffering from dementia.

Keywords: yokukansan, dementia, Alzheimer's disease, behavioral and psychological symptoms of dementia, Kampo, glutamate

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