Status:

ACTIVE_NOT_RECRUITING

Trial of Pistachio Consumption in Older Adults

Lead Sponsor:

Brigham and Women's Hospital

Collaborating Sponsors:

American Pistachio Growers

Boston Children's Hospital, Boston, MA, USA

Conditions:

Cognition

Cardiometabolic Risk Factors

Eligibility:

All Genders

65-80 years

Phase:

NA

Brief Summary

The goal of this study is to evaluate whether a pistachio-enriched diet leads to changes in cognitive function, cardiometabolic risk factors, and life satisfaction in older adults over a 6-month perio...

Detailed Description

In this remote-based, parallel-arm RCT, the investigators will recruit participants from the recently completed COcoa Supplement and Multivitamin Outcomes Study (COSMOS) trial cohort. Eligible COSMOS ...

Eligibility Criteria

Inclusion

  • Active participant in COSMOS
  • Current age 65 to 80 years
  • Does not reside in the states of Arizona, Hawaii, or Wyoming (since Quest Diagnostics does not have locations in these states)

Exclusion

  • Tree nut allergy
  • Current intake of pistachios, peanuts, walnuts, or other nuts \>1 serving/week
  • Diagnosis of Alzheimer's disease or any other type of dementia
  • Diagnosis of cancer or CVD (MI, stroke, CABG, PTCA, or stent) within last 12 months
  • Changes in the dose or number of anti-hypertensive, lipid-lowering, or diabetic medications over the past 3 months prior to randomization
  • Does not own a smartphone or tablet
  • Unable or unwilling to abstain from pistachio intake for 6 months
  • Unable or unwilling to limit nut consumption to ≤1 serving/week for 6 months
  • Unable or unwilling to complete online questionnaires and cognitive assessments
  • Unable or unwilling to travel to a local Quest site for biospecimen collection
  • Unable or unwilling to provide consent to participate in the trial
  • Failure to complete the baseline Life Satisfaction Questionnaire
  • Failure to complete the baseline cognitive assessments
  • Failure to complete the baseline biospecimen collection

Key Trial Info

Start Date :

May 28 2025

Trial Type :

INTERVENTIONAL

Allocation :

ACTUAL

End Date :

June 1 2026

Estimated Enrollment :

97 Patients enrolled

Trial Details

Trial ID

NCT06992544

Start Date

May 28 2025

End Date

June 1 2026

Last Update

September 23 2025

Active Locations (1)

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Page 1 of 1 (1 locations)

1

Brigham and Women's Hospital

Boston, Massachusetts, United States, 02215

Trial of Pistachio Consumption in Older Adults | DecenTrialz