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KMID : 0352720110350040457
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Journal of Ginseng Research
2011 Volume.35 No. 4 p.457 ~ p.461
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Improvement of Cognitive Deficit in Alzheimer's Disease Patients by Long Term Treatment with Korean Red Ginseng
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Heo Jae-Hyeok
Lee Soon-Tae
Oh Min-Jung
Park Hyun-Jung
Shim Ji-Young
Chu Kon
Kim Man-Ho
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Abstract
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A 24-week randomized open-label study with Korean red ginseng (KRG) showed cognitive benefits in patients with Alzheimer's disease. To further determine long-term effect of KRG, the subjects were recruited to be followed up to 2 yr. Cognitive function was evaluated every 12 wk using the Alzheimer's Disease Assessment Scale (ADAS) and the Korean version of the Mini Mental Status Examination (K-MMSE) with the maintaining dose of 4.5 g or 9.0 g KRG per d. At 24 wk, there had been a significant improvement in KRG-treated groups. In the long-term evaluation of the efficacy of KRG after 24 wk, the improved MMSE score remained without significant decline at the 48th and 96th wk. ADAS-cog showed similar findings. Maximum improvement was found around week 24. In conclusion, the effect of KRG on cognitive functions was sustained for 2 yr follow-up, indicating feasible efficacies of long-term follow-up for Alzheimer's disease
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KEYWORD
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Panax ginseng, Korean red ginseng, Alzheimer disease, Long term effect,
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