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Clinical Trial Summary

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.

Clinical Trial Description

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). ;

Study Design

Related Conditions & MeSH terms

NCT number NCT02996578
Study type Interventional
Source Queen Margaret University
Status Active, not recruiting
Phase N/A
Start date April 17, 2017
Completion date January 31, 2020

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