Cognitive Impairment Clinical Trial
Official title:
Effects of Green Tea Consumption on Homocysteine Metabolism and Cognitive Dysfunction in Elderly: An Exploratory Clinical Study
Green tea contains catechins and theanine as major ingredients and has been reported to have various beneficial influences on human health. It is reported that the drinking green tea is inversely associated with serum homocysteine level in elderly. However the effect of green tea consumption on cognitive dysfunction is not clinically clarified. The purpose of this study is to investigate the effects of green tea consumption on homocysteine metabolism and cognitive dysfunction in elderly with impaired cognitive function.
Elderly people with impaired cognitive function go on increasing year by year with the
coming aged society. Among them, the Alzheimer disease is a major cause of the illness,
which is progressively worse, has no fundamental curable therapy, and induces the burdens of
caregivers as well as the health insurance and national budget. Recently, homocysteine
metabolism is reported to be related to atherosclerosis in aging, and draw attention as the
etiology of cognitive dysfunction in elderly.
Green tea contains catechins and theanine as main ingredients. These components are reported
to have anti-atherogenic action and effect on improving cognitive dysfunction. However,
clinical evidence for homocysteine metabolism and cognitive dysfunction has not been
clarified. Therefore, in this study, the investigators attempted to investigate the effects
of green tea consumption on homocysteine metabolism and cognitive dysfunction in elderly
with impaired cognitive function.
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Endpoint Classification: Efficacy Study, Intervention Model: Single Group Assignment, Masking: Open Label, Primary Purpose: Treatment
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