Strawberries, Cognition, and Vascular Health

Study Results

Results pending

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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Recruitment Status

COMPLETED

Clinical Phase

NA

Total Enrollment

40 participants

Study Classification

INTERVENTIONAL

Study Start Date

2019-10-30

Study Completion Date

2022-05-03

Brief Summary

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The primary objective of this study is to investigate the effects of strawberries on cognitive responses, motor control function, and vascular and cardiometabolic risk markers in healthy older adults.

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Detailed Description

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To achieve the objectives, 40 healthy men and women ≥65 years of age will consume 26 g of freeze-dried strawberries in the form of a drink-mix daily for 8 wk. Using a randomized crossover study design, the effects will be compared to the effects of 8 wk intake of a placebo drink-mix (with a 4 wk wash-out period between trials). Cognitive function measurements will be performed at baseline and 8 wk. Additionally, at each timepoint, flow-mediated vasodilation and blood pressure will be measured followed by collection of fasting blood samples to assess glucose, insulin, blood lipids (free fatty acids, triacylglycerol, total cholesterol, LDL cholesterol, and HDL cholesterol), inflammatory markers (interleukins 6 and 18), and markers of oxidative stress (oxidized LDL-C and malondialdehyde).

Conditions

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Aging Healthy Aging

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

CROSSOVER

Using a randomized crossover study design, the effects will be compared to the effects of 8 wk intake of a placebo drink-mix (with a 4 wk wash-out period between trials).

Primary Study Purpose

OTHER

Blinding Strategy

NONE

Study Groups

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Strawberry powder

Participants consume 1 package of standard strawberry powder (26 g) daily for 8 weeks

Group Type EXPERIMENTAL

Strawberry

Intervention Type OTHER

Freeze dried strawberry powder

Placebo group

Participants consume 1 package of placebo powder (26 g) daily for 8 weeks

Group Type PLACEBO_COMPARATOR

Placebo group

Intervention Type OTHER

Comparative placebo powder

Interventions

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Strawberry

Freeze dried strawberry powder

Intervention Type OTHER

Placebo group

Comparative placebo powder

Intervention Type OTHER

Eligibility Criteria

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Inclusion Criteria

* Healthy men and women 65 years and older

Exclusion Criteria

* stroke or myocardial infarction
* neurological disorders:
* epilepsy,
* multiple sclerosis,
* Parkinson's disease,
* stroke
* known metabolic disorders:
* liver,
* renal
* clinically diagnosed diabetes
* drug treatment for lipid reduction or hypertension,
* psychiatric medication use

Minimum Eligible Age

65 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

Yes