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Blueberries, Inflammation, Motivation, and Physical Activity

Depressive Symptoms Clinical Trial

Official title:
Dietary Intervention Targeting Inflammation, Motivation, and Engagement in Physical Activity in Sedentary, Older Adults With Depressive Symptoms

Clinical Trial Summary

The purpose of this study is to determine the feasibility and preliminary efficacy of daily supplementation of freeze-dried blueberry to modulate inflammation-driven lack of motivation in 40 sedentary, older adults with depressive symptoms.

Clinical Trial Description

The investigators will conduct a 14 week, single-site, randomized, double-blind, parallel pilot study in 40 sedentary, older adults with depressive symptoms. Participants will first enter a 2-week washout period where they will avoid consumption of foods high in fiber and anthocyanins (e.g., blueberries) and will also be wearing an activity monitor. Participants will then be randomized to consume either 48 g of freeze-dried blueberry powder (~600 mg of anthocyanins and ~8 g of fiber) or 48 g of a nutritionally matched placebo powder (devoid of anthocyanins and fiber) each day for a total of 12 weeks. At baseline, participants will be undergo assessments for mood/well-being, relevant symptoms, motivation to engage in physical activity, and provide a blood sample for the evaluation of inflammatory biomarkers. For the entire duration of the study, participants will continue to wear the activity monitor. After 4, 6, 8 and 12 weeks of consuming the powder there will be study visits that assess mood/well-being, relevant symptoms, motivation to engage in physical activity and compliance with the intervention. Additionally, a blood sample for the evaluation of inflammatory makers will be taken after 6 and 12 weeks of the intervention. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT05735587
Study type Interventional
Source Hebrew SeniorLife
Contact
Status Active, not recruiting
Phase N/A
Start date April 5, 2023
Completion date December 31, 2024
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