Effect of Polyphenol-rich Cocoa Products on Cognitive Function

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

16 participants

Study Classification

INTERVENTIONAL

Study Start Date

2017-04-17

Study Completion Date

2018-09-30

Brief Summary

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This project aims to investigate whether consumption of cocoa polyphenols has an impact on cognitive function in individuals aged 50 to 60 years of age and if such an improvement is a result of an improvement in risk factors associated with cognitive decline in ageing.

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Detailed Description

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Healthy cognitive ageing is an important aspect of the ageing process as it involves larger numbers of people compared to those who have already been diagnosed with conditions on the dementia spectrum (Deary et al, 2009). Hence, an active effort looking at potential lifestyle factor modification interventions to help maintain cognitive well-being are warranted.

With an ageing population, the prevalence of cognitive syndromes such as Alzheimer's disease and Parkinson's disease increases (Vauzour, 2012). Nutritional interventions can play a role in successful ageing by helping to delay the onset of age-related conditions (Hendrickx, McEwen \& van der Ouderaa, 2005; Brown, Riby \& Reay, 2009; Monti, Moulton \& Cohen, 2015). Studies have investigated the potential role of polyphenols as part of a neuroprotective lifestyle. Mouse model studies have looked at varying polyphenol sources such as tea (Haque et al., 2006; Kaur et al., 2008), blueberry (Shukitt-Hale et al., 2015; Williams et al., 2008), Gingko Biloba (Shif et al., 2008) and cocoa (Bisson et al., 2008) to mention a few.

Ageing and neurodegenerative diseases are caused by neuronal death which in turn can be triggered by neurotoxins, neuroinflammation and specific genetic mutations (Bishop, Lu \& Yankner, 2010). Dietary polyphenols have been observed to provide neuroprotection against cellular alteration by modulating the neuronal function against endogenous neurotoxins and inhibition of glial induced neuroinflammation (Vauzour, 2012).

Conditions

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Healthy Ageing

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

PREVENTION

Blinding Strategy

DOUBLE

Participants Investigators

Study Groups

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Solid Matrix - Intervention

Dietary Supplement: polyphenol rich chocolate bar

17.5g of commercially available dark chocolate will be consumed daily for 8 weeks

Group Type ACTIVE_COMPARATOR