The Effects of Wild Blueberries on Depressive Symptoms in Young Adults
NCT ID: NCT04647019
Last Updated: 2023-01-31
Study Results
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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COMPLETED
NA
62 participants
INTERVENTIONAL
2021-11-26
2022-06-11
Brief Summary
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Detailed Description
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Conditions
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Study Design
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RANDOMIZED
PARALLEL
TREATMENT
TRIPLE
Study Groups
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Blueberry powder
Wild blueberry powder
22 g freeze-dried wild blueberry (Vaccinium angustifolium) powder consumed daily with 250 ml water. The powder is sealed in sachets and stored at -24 °C, except when transported. Participants are asked to store the sachets in a freezer until consumption.
Placebo powder
Placebo powder
22 g placebo powder matched for macronutrients, color, and flavor consumed daily with 250 ml water. The powder is sealed in sachets and participants are asked to store the sachets in a freezer until consumption.
Interventions
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Wild blueberry powder
22 g freeze-dried wild blueberry (Vaccinium angustifolium) powder consumed daily with 250 ml water. The powder is sealed in sachets and stored at -24 °C, except when transported. Participants are asked to store the sachets in a freezer until consumption.
Placebo powder
22 g placebo powder matched for macronutrients, color, and flavor consumed daily with 250 ml water. The powder is sealed in sachets and participants are asked to store the sachets in a freezer until consumption.
Eligibility Criteria
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Inclusion Criteria
* Patient Health Questionnaire-9 score ≥ 10 and a score ≥ 2 on the sum of items 1 and 2
* Willingness to provide blood samples
Exclusion Criteria
* Taking medication (excluding hormonal contraception)
* History of mental illness (excluding anxiety and unipolar depressive disorders)
* Allergy to blueberries or any other Vaccinium species
* Receiving psychotherapy or counselling
18 Years
24 Years
ALL
No
Sponsors
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Wild Blueberry Association of North America
OTHER
University of Reading
OTHER
Responsible Party
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Prof Claire Williams
Professor
Principal Investigators
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Claire Williams, Professor
Role: PRINCIPAL_INVESTIGATOR
University of Reading
Locations
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School of Psychology and Clinical Languages, University of Reading
Reading, Berkshire, United Kingdom
Countries
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References
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Velichkov M, Bezur Z, van Reekum CM, Williams CM. A biphasic response to blueberry supplementation on depressive symptoms in emerging adults: a double-blind randomized controlled trial. Eur J Nutr. 2024 Jun;63(4):1071-1088. doi: 10.1007/s00394-023-03311-9. Epub 2024 Feb 1.
Provided Documents
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Document Type: Study Protocol and Statistical Analysis Plan
Other Identifiers
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20/13
Identifier Type: -
Identifier Source: org_study_id
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