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Clinical Trial Summary

This study aims to investigate the effect of chronic supplementation with a commercially available, plant-derived, omega-3 intervention and cognitive performance in adolescent participants aged 13-14 years.


Clinical Trial Description

A healthy diet is an essential factor for healthy ageing. Previous studies of omega-3 polyunsaturated fatty acids (n-3 PUFAs) intake have shown beneficial actions on a range of human health conditions. The influence of n-3 PUFAs on cognition throughout the lifespan is particularly apparent, with beneficial effects documented on cognitive development in infants and children, cognitive performance in young adults, and to slow age-related cognitive impairment in older adults. Despite these positive findings, there has been little consideration of the influence of n-3-PUFAs on cognition in adolescence. Adolescence is characterized by profound brain development, with brain areas such as the prefrontal cortex continuing to mature into the late twenties). In this period of brain development, the basis is laid for executive functions (e.g., shifting, updating, and short-term memory), among others. Optimal development of the prefrontal cortex is very important, as the executive functions have been related to academic achievements. The positive effects from n-3 PUFAs on cognition, if translated to adolescents, would be of clear practical and theoretical importance, particularly in an academic context.  This project will examine the relationship between supplementation with a commercially available, plant-derived, omega-3 intervention and cognitive performance in adolescent participants aged 13-14 years. In a randomized, placebo-controlled, double-blind, parallel-group clinical trial, we will examine the effect of 16 weeks repeated daily dosing of Juice PLUS+® OMEGA (or matched placebo) on a wide range of cognitive processes (measured using a battery of computer-based cognitive tests). Changes in cognitive performance will be mapped both to changes in omega-3 index (O3I) of our participants (measured using dried blood spots obtained via finger prick) and to changes in brain activity (measured using electrodes placed on the scalp, in a subset of participants). Participants will attend the Department on 3 separate occasions. At an initial screening visit, participants will practice the cognitive tests and provide a 3-day food diary as a measure of habitual diet. Participants will then attend a baseline test visit, where they will perform the cognitive tests and receive a 16-week supply of capsules (either placebo or active treatment) to be taken daily. After the 16 weeks, the participants will attend a post-intervention test day where they will perform the cognitive tests for a final time. Finger prick blood spot samples will be taken at each of the 3 visits. ;


Study Design


Related Conditions & MeSH terms


NCT number NCT05581108
Study type Interventional
Source University of Reading
Contact
Status Completed
Phase N/A
Start date October 4, 2021
Completion date July 21, 2023

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