Effect of Walnuts on Cognitive Function and Gut Microbiome in Older Adults
Trial statusRecruiting
Trial phaseNot applicable
Trial typeInterventional
Biological sexAll
Age55+
SponsorOregon State University
About this trial
The purpose of this study is to examine the impact of daily consumption of walnuts for 12 weeks on cognitive function, markers of inflammation and oxidative stress, and the gut microbiome in healthy adults age 55 years and older.
Eligibility criteria
Qualifiers
Age 55 years or older
Able to hear well enough to understand spoken instructions and questions
Able to see well enough to read and respond to printed instructions and fill out questionnaires (corrective lenses are allowed)
Able to write legibly and move a computer joystick with at least one hand (i.e., no injury or connective tissue or joint disorder that would impair ability to write or make hand movements)
Disqualifiers
Consumption of walnuts, pecans, and chestnuts combined greater than 2 oz / week in the past 3 months.
Use of oral antibiotics in the past month
Regular use of oral anti-inflammatory medications in the past month
Nut, wheat, or gluten allergy/intolerance
Trial design
Treatments tested in this trial
- Walnuts
- Crackers
Treatment groups
80 Participants
are divided into 2 treatment groupsSponsors and collaborators
Oregon State University
Lead sponsor
California Walnut Commission
Collaborator
Source ClinicalTrials.gov