NCT03119597

Brief Summary

The purpose of this study is to determine whether a 4-week dietary intervention with wild blueberry powder can have an effect on cognitive performance in participants aged between 13-17.

Trial Health

87
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
66

participants targeted

Target at P25-P50 for not_applicable depression

Timeline
Completed

Started Jan 2017

Geographic Reach
1 country

1 active site

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Start

First participant enrolled

January 12, 2017

Completed
2 months until next milestone

First Submitted

Initial submission to the registry

March 23, 2017

Completed
26 days until next milestone

First Posted

Study publicly available on registry

April 18, 2017

Completed
7 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

November 27, 2017

Completed
1.1 years until next milestone

Study Completion

Last participant's last visit for all outcomes

December 22, 2018

Completed
Last Updated

May 23, 2023

Status Verified

May 1, 2023

Enrollment Period

11 months

First QC Date

March 23, 2017

Last Update Submit

May 22, 2023

Conditions

Keywords

low mood, depression

Outcome Measures

Primary Outcomes (7)

  • Change in Working Memory performance

    Keep tract task: measuring working memory performance

    0, 2 and 4 weeks

  • Change in Mood

    measured by use of PANAS

    0, 2 and 4 weeks

  • Change in verbal fluency

    Controlled oral word association task: measuring working memory performance

    0, 2 and 4 weeks

  • Change in Cognitive Accuracy

    Modified Flanker Task: measuring accuracy

    0, 2 and 4 weeks

  • Change in reaction time

    Modified Flanker Task: measuring reaction time

    0, 2 and 4 weeks

  • Change in Depression

    measured by use of MFQ

    0 and 4 weeks

  • Change in Anxiety

    measured by use of RCADS

    0 and 4 weeks

Secondary Outcomes (1)

  • Change in Rumination

    0 and 4 week

Study Arms (2)

Placebo

PLACEBO COMPARATOR

Formulation containing approximately 4.79g Fructose+ 4.52g Glucose+ 45mg Vitamin C

Dietary Supplement: Placebo

Wild Blueberry Power-13g

EXPERIMENTAL

Formulation containing approximately 250mg of anthocyanin+ 4.79g Fructose+ 4.52g Glucose+ 45mg Vitamin C

Dietary Supplement: Wild Blueberry Powder-13g

Interventions

Wild Blueberry Powder-13gDIETARY_SUPPLEMENT

Formulation containing approximately 250mg of anthocyanin+ 4.79g Fructose+ 4.52g Glucose+ 45mg Vitamin C

Wild Blueberry Power-13g
PlaceboDIETARY_SUPPLEMENT

Formulation containing approximately 4.79g Fructose+ 4.52g Glucose+ 45mg Vitamin C

Placebo

Eligibility Criteria

Age13 Years - 17 Years
Sexall
Healthy VolunteersYes
Age GroupsChild (0-17)

You may qualify if:

  • Overall healthy volunteers as proven by medical history and/or physical examination and of all ethnicity and socioeconomic status
  • Participants at risk of depression or healthy as assessed by MFQ (score 27 or above and score 14 or below)
  • Able to get a parent or guardian to give signed written informed consent in addition to they themselves giving informed assent

You may not qualify if:

  • Use of complementary and alternative medicine
  • History of metabolic disorder, diabetes, or other medical conditions.
  • Participants using medications that might affect the outcome measures, such as antidepressant and sleeping medication.
  • Participants who score between 14 and 27 on the MFQ.

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

University of Reading

Reading, Berkshire, RG6 6AL, United Kingdom

Location

MeSH Terms

Conditions

DepressionConsciousness Disorders

Condition Hierarchy (Ancestors)

Behavioral SymptomsBehaviorNeurobehavioral ManifestationsNeurologic ManifestationsNervous System DiseasesSigns and SymptomsPathological Conditions, Signs and SymptomsNeurocognitive DisordersMental Disorders

Study Design

Study Type
interventional
Phase
not applicable
Allocation
RANDOMIZED
Masking
DOUBLE
Who Masked
PARTICIPANT, INVESTIGATOR
Masking Details
Neither the participants nor the researchers will be aware of which participants are receiving treatment or placebo. Participants and their parents will be debriefed on the last test day.
Purpose
PREVENTION
Intervention Model
PARALLEL
Model Details: participants will be assigned to either a Placebo or Blueberry (treatment) drink, in parallel for the duration of the study
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Professor in Behavioral Neuroscience

Study Record Dates

First Submitted

March 23, 2017

First Posted

April 18, 2017

Study Start

January 12, 2017

Primary Completion

November 27, 2017

Study Completion

December 22, 2018

Last Updated

May 23, 2023

Record last verified: 2023-05

Data Sharing

IPD Sharing
Will share

Locations