Cognitive and Blood Flow Effects of Mountain Tea

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

NA

Total Enrollment

155 participants

Study Classification

INTERVENTIONAL

Study Start Date

2017-02-17

Study Completion Date

2017-09-18

Brief Summary

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Two doses (475 mg and 950 mg) of Sideritis Scardica (SS or 'mountain tea') are investigated for cognitive, mood, blood pressure and cerebral blood flow effects in a healthy group of 50-70 yr olds, both acutely and following 28 days of consumption.

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Detailed Description

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The presence of polyphenols such as ferulic acid, chlorogenic acid and apigenin in Sideritis Scardica (SS or 'mountain tea') are likely responsible for the cognitive and mood effects of its consumption and this could be underpinned by the ability of such polyphenols to prevent monoamine neurotransmitter reuptake and to increase cerebral blood flow (CBF).

The current randomised, placebo controlled, parallel groups study extends on the abovementioned small amount of literature; assessing both cognitive and mood outcomes in a sample of older (50-70 yrs) adults, as well as blood pressure (BP) and CBF, in a sub-sample, utilizing near-infrared spectroscopy (NIRS). The above will be assessed acutely (pre-dose and 90- and 310-mins post dose) on day 1 and following 28 days consumption of either a placebo control, and active control of 240 mg ginkgo biloba, 475 mg SS or 950 mg SS.

Conditions

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Cognitive Change Affect Blood Pressure Neuroimaging

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

OTHER

Blinding Strategy

TRIPLE

Participants Investigators Outcome Assessors

All treatment was prepared and randmised by a third-party researcher who had no further involvement in the study.

Study Groups

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