Health Properties of Pecan Nut Consumption

Part of paid clinical trials in Davis, California.

Sponsor
University of California, Davis
Study ID
NCT07227259
Status
Recruiting
Apply to this trial

Conditions

  • Healthy Adults

Eligibility Criteria

Sex
ALL
Age
45 Years - 75 Years
Healthy Volunteers
Accepted

Interventions

  • pecan nut — OTHER
    Dose - 2 ounces of pecan nuts, daily

Study Details

The main goal of this clinical study is to see if consuming pecan nuts will result in improvements in overall body metabolism such as in blood lipids, markers of inflammation, blood pressure, cognitive performance and changes in bacteria living in the gut in adults 45 to 75 years of age. Participants will take part in two 3-month intervention periods, separated by 4-6 weeks, in random order ( a total of approximately 7 months). During one intervention period, they will include pecan nuts in their diet each day, while during the other intervention period they will avoid pecans in their diet. There will be an initial screening visit to evaluate eligibility and four study visits to the clinic. Participants will be asked to complete some questionnaires about their diet, physical and cognitive health, and provide blood and stool samples, and have their blood pressure measured.

Key Dates

Start date
Nov 15, 2025
Status verified
Feb 2026
Primary completion
Dec 31, 2027
Completion
Dec 31, 2027

Study Design

Enrollment
40 participants (estimated)
Allocation
RANDOMIZED
Intervention model
CROSSOVER
Primary purpose
PREVENTION

Arms

  • Experimental: Pecan nut then no nut
    Participant will add pecan nuts to their diet during the first intervention arm, then they will cross over to the no nut diet arm
  • Experimental: No nut then pecan nut
    Participant will consume a diet without nuts during the first intervention arm, then they will cross over to the arm where they will add pecan nuts to their diet.

Primary Outcome Measure

Change in vascular response at 3 months [ Time Frame: Change from baseline at 3 months ]

Central Contacts

Locations (1)

FacilityCityStateZIPSite coordinators
Ragle Human Nutrition Center, UC Davis campusDavisCalifornia95616
Francene Steinberg, PhD
[email protected]
530-752-0160

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By research site
Ragle Human Nutrition Center, UC Davis campus· Davis, CA

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