NCT03162913

Brief Summary

This study is being conducted to assess the effect of dietary strawberry supplementation on cognition and mobility in obese middle-aged and older adults. It is hypothesized that plant compounds, present in strawberries, may improve cognition and mobility.

Trial Health

87
On Track

Trial Health Score

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

Enrollment
47

participants targeted

Target at P25-P50 for not_applicable

Timeline
Completed

Started Oct 2017

Longer than P75 for not_applicable

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

First Submitted

Initial submission to the registry

May 19, 2017

Completed
3 days until next milestone

First Posted

Study publicly available on registry

May 22, 2017

Completed
4 months until next milestone

Study Start

First participant enrolled

October 1, 2017

Completed
6.1 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

October 20, 2023

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

October 20, 2023

Completed
Last Updated

March 28, 2024

Status Verified

March 1, 2024

Enrollment Period

6.1 years

First QC Date

May 19, 2017

Last Update Submit

March 27, 2024

Conditions

Keywords

StrawberryCognitionGaitPosture

Outcome Measures

Primary Outcomes (1)

  • Spatial Cognition

    Spatial cognition will be measured using a virtual navigation task.

    Change from baseline at 90 days

Secondary Outcomes (1)

  • Gait Speed

    Change from baseline at 90 days

Study Arms (2)

Strawberry

EXPERIMENTAL

Participants randomized into this arm of the study consume freeze-dried strawberry powder.

Dietary Supplement: Strawberry

Placebo

PLACEBO COMPARATOR

Participants randomized into this arm of the study consume a strawberry placebo powder.

Other: Placebo

Interventions

StrawberryDIETARY_SUPPLEMENT

12g freeze-dried strawberry (powder), twice daily with water, for 90 days

Strawberry
PlaceboOTHER

12g red, strawberry-flavored powder, twice daily with water, for 90 days

Placebo

Eligibility Criteria

Age55 Years - 75 Years
Sexall
Healthy VolunteersYes
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • Between the ages of 55 and 75 years
  • Body mass index (BMI) between 30-40
  • Hemoglobin A1C level between 5.7 and 6.4%
  • Height between 60 and 74 inches tall
  • Adequate visual acuity or corrected visual acuity to read and perform computer tasks
  • Fluency in spoken and written English
  • Ability to walk independently for 20 minutes as per self-report.
  • Women must be postmenopausal (absence of menstruation for a minimum of 12-months or bilateral oophorectomy)
  • Willing to abstain from recreational drug use

You may not qualify if:

  • Vegetarian or vegan
  • Cognitive impairment, memory loss, or neurologic/psychological disorder that interfere with activities of daily living
  • Muscle or mobility deficit that would interfere with walking independent for 20 minutes
  • Chronic conditions associated with increased risk of falls or falls within the last year that were not precipitated by unusual circumstances (e.g. slipping on ice, being pushed)
  • Gastrointestinal diseases, conditions, or medications influencing gastrointestinal absorption
  • Use of medications or dietary supplements known or suspected to influence study outcomes
  • Mini Mental State Exam (MMSE) score of less than 24 at screening
  • Diabetes mellitus diagnosis or fasting glucose \>= 126 mg/dL or taking diabetes medication
  • Liver dysfunction, history of cirrhosis, or elevated SGPT, SGOT, or total bilirubin
  • Kidney disease as indicated by serum creatinine \> 1.5 mg/dL at screening
  • Uncontrolled blood pressure
  • Cardiac or pulmonary conditions that limit ambulation or results in dyspnea with ambulation
  • Allergy to strawberry or ingredients in the placebo.
  • Ethanol use above 2 servings/day of beer (12-ounces), wine (5 ounces) or liquor (1.5 ounces), or binge-drinking
  • Recent inflammatory diseases (for example: rheumatoid arthritis, lupus)
  • +8 more criteria

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Tammy M Scott

Boston, Massachusetts, 02111, United States

Location

Related Publications (4)

  • Miller MG, Shukitt-Hale B. Berry fruit enhances beneficial signaling in the brain. J Agric Food Chem. 2012 Jun 13;60(23):5709-15. doi: 10.1021/jf2036033. Epub 2012 Feb 3.

    PMID: 22264107BACKGROUND
  • Joseph JA, Shukitt-Hale B, Denisova NA, Bielinski D, Martin A, McEwen JJ, Bickford PC. Reversals of age-related declines in neuronal signal transduction, cognitive, and motor behavioral deficits with blueberry, spinach, or strawberry dietary supplementation. J Neurosci. 1999 Sep 15;19(18):8114-21. doi: 10.1523/JNEUROSCI.19-18-08114.1999.

    PMID: 10479711BACKGROUND
  • Miller MG, Thangthaeng N, Poulose SM, Shukitt-Hale B. Role of fruits, nuts, and vegetables in maintaining cognitive health. Exp Gerontol. 2017 Aug;94:24-28. doi: 10.1016/j.exger.2016.12.014. Epub 2016 Dec 21.

    PMID: 28011241BACKGROUND
  • Shukitt-Hale B, Bielinski DF, Lau FC, Willis LM, Carey AN, Joseph JA. The beneficial effects of berries on cognition, motor behaviour and neuronal function in ageing. Br J Nutr. 2015 Nov 28;114(10):1542-9. doi: 10.1017/S0007114515003451. Epub 2015 Sep 22.

    PMID: 26392037BACKGROUND

Related Links

MeSH Terms

Conditions

Obesity

Condition Hierarchy (Ancestors)

OverweightOvernutritionNutrition DisordersNutritional and Metabolic DiseasesBody WeightSigns and SymptomsPathological Conditions, Signs and Symptoms

Study Officials

  • Tammy M Scott, PhD

    Tufts University

    PRINCIPAL INVESTIGATOR
  • Barbara Shukitt-Hale, PhD

    USDA Human Nutrition Research Center on Aging

    PRINCIPAL INVESTIGATOR

Study Design

Study Type
interventional
Phase
not applicable
Allocation
RANDOMIZED
Masking
DOUBLE
Who Masked
PARTICIPANT, INVESTIGATOR
Purpose
PREVENTION
Intervention Model
PARALLEL
Sponsor Type
FED
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Research Psychologist

Study Record Dates

First Submitted

May 19, 2017

First Posted

May 22, 2017

Study Start

October 1, 2017

Primary Completion

October 20, 2023

Study Completion

October 20, 2023

Last Updated

March 28, 2024

Record last verified: 2024-03

Data Sharing

IPD Sharing
Will not share

Locations