Investigation of Acute Mood and Cognitive Performance Effects of Beverages Containing Phenolics in Healthy Adults

Not Applicable

Completed

• Conditions: Cognitive Function
• Interventions: Other: Phenolic Beverage

• Registration Number: NCT02675621
• Lead Sponsor: PepsiCo Global R&D

Brief Summary

An acute, randomized, placebo controlled, double blinded crossover study in health subjects. Participants will complete 4 intervention arms in random order consisting of a placebo control beverage, a high dose phenolic beverage, a high dose phenolic beverage combined with a fruit extract, and a low does phenolic beverage. The primary objective of the study is to assess the effects of the phenolic compounds, at two different levels, alone and in combination with a fruit extract, on mood and cognitive performance during extended periods of cognitively demanding task performance.

Detailed Description

Not available

Study Timeline

• Study Start: 2015-10
• Study First Submitted: 2016-01-21
• Primary Completion: 2016-02
• Study Completion: 2016-02
• Study First Submitted QC: 2016-02-04
• Study First Posted: 2016-02-05
• Status Verified: 2018-09
• Last Update Submitted: 2018-09-25
• Last Update Posted: 2018-09-27

Recruitment & Eligibility

• Status: COMPLETED
• Sex: All
• Target Recruitment: 46

Inclusion Criteria

• Aged 18 to 49 years
• Self-report of good health
• Are not excluded on the basis of the following exclusion criteria

Exclusion Criteria

• Are a smoker
• Have food allergies or sensitivities to any of the ingredients contained in the investigational product or any other foodstuff
• Currently take medication except the contraceptive pill
• Have habitually used dietary supplements within the last month (defined as more than 3 consecutive days or 4 days in total)
• Have sleep disturbances and/or are taking sleep aid medication Are employed in a job that includes night shift work
• Have a Body Mass Index (BMI) outside of the range 18-35 kg/m2or weigh less than 50kg or more than 85kg.
• Have high blood pressure (systolic over 139 mm Hg or diastolic over 89 mm Hg)
• Have a history of neurological, vascular or psychiatric illness including epilepsy or seizures (excluding depressive illness and anxiety)
• Have a history of anxiety or a current diagnosis of anxiety or depression
• Are pregnant, trying to get pregnant or breast feeding
• Have a recent history of (within 12 months of screening visit) or strong potential for alcohol or substance abuse. Alcohol abuse is defined as more than 60g (men) / 40g (women) pure alcohol per day (7 / 5.5 units)
• Have learning difficulties or dyslexia
• Have visual impairment that cannot be corrected with glasses or contact lenses
• Have frequent migraines that require medication (more than or equal to 1 per month)
• Have disorders of the blood (e.g. anaemia, hemophilia, thrombocytosis)
• Have a heart disorder or a history of vascular illness
• Have a respiratory disorder that requires regular medication (Note: participants with asthma who only take their medication occasionally/as required are eligible for this study)
• Have a diagnosis of type I or type II diabetes
• Have a history of renal or hepatic disease, or other severe diseases of the gastrointestinal tract (e.g. iron accumulation, iron utilization disorders, hypercalcaemia, hypercalciuria), that are likely to interfere with metabolism/absorption/secretion of the product under investigation
• Have any health condition that would prevent fulfillment of the study requirements
• Are currently or have in the past 8weeks participated in other clinical or nutrition intervention studies
• Have participated in the BPNRC's recent stress study
• Do not have a bank account (required for payment)

Study & Design

• Study Type: INTERVENTIONAL
• Study Design: CROSSOVER

Arm && Interventions

Group	Intervention	Description
Control	Phenolic Beverage	Mix 1 flavored still beverage
Phenolic beverage 2	Phenolic Beverage	Mix 3 flavored still beverage with a high dose phenolic extract1 and a fruit extract
Phenolic beverage 1	Phenolic Beverage	Mix 2 flavored still beverage with a high dose phenolic extract
Phenolic beverage 3	Phenolic Beverage	Mix 4 flavored still beverage with a low dose phenolic extract3 and a fruit extract

Primary Outcome Measures

Name	Time	Method
Change in mental fatigue	Pre, 1, 3, and 6 hours post-beverage consumption

Secondary Outcome Measures

Name	Time	Method
Changes in mood and cognitive function	Pre, 1, 3, and 6 hours post-beverage consumption	During each assessment mood and psychological state will be assessed before and after performance of an observed multi-tasking stressor via completion of the 'State' subscale of the State-Trait Anxiety Inventory and computerised versions of the Bond-Lader visual analogue mood scales and separate visual analogue scales (VAS) measuring subjective stress, relaxation and calmness.

Trial Locations

Locations (1)

Northumbria University; 🇬🇧 Newcastle upon Tyne, United Kingdom