Purpose

The proposed research is a randomized crossover trial designed to assess changes in postprandial cognitive function and the gut-brain axis in adults with subjective cognitive complaints who consume 1 study snack per day for 1 week.

Conditions

Eligibility

Eligible Ages
Between 40 Years and 75 Years
Eligible Genders
All
Accepts Healthy Volunteers
No

Inclusion Criteria

  • Subjective cognitive impairment - BMI ≥30 kg/m2 - HbA1C <6.5%

Exclusion Criteria

  • Diagnosis og cognitive impairment or dementia - Montreal Cognitive Assessment (MoCA) score of <26 - Current or previous diagnosis of Diabetes or use of diabetes medications - Current diagnosis of or current treatment of cancer other than non-melanoma skin cancer - Gastrointestinal diseases or disorders (including pancreatic and gastric bypass surgery) where consumption of the study foods would be contraindication or where the disease or disorder could negatively affect nutrient absorption and/or would prevent participants from tolerating the study foods - Hyperthyroidism diagnosis - Food Allergy or intolerances - Any dietary restriction where consumption of the study foods, study meals/snack or meal challenge or any ingredient would be contraindicated - Use of some oil supplements in the past 4 weeks prior to enrolling - Pregnancy and lactation - Inability to access veins for venipuncture - Antibiotic use in the past month - Psychostimulant or nootropic medication use - Current use of supplements or medications for weight loss or following a weight loss program - Severe or uncontrolled autoimmune diseases - Current or previous diagnosis of severe kidney failure, liver cirrhosis and some pulmonary diseases - Heart disease events (including stroke or heart attack) within last 3 months prior to enrollment - Alcohol or drug abuse

Study Design

Phase
N/A
Study Type
Interventional
Allocation
Randomized
Intervention Model
Crossover Assignment
Primary Purpose
Treatment
Masking
Single (Participant)

Arm Groups

ArmDescriptionAssigned Intervention
Experimental
Walnuts
consumption of walnuts every day
  • Other: Walnuts
    56g of walnuts consumed each day for 7 days
Experimental
White chocolate-style bar
consumption of a white chocolate-style bar every day
  • Other: Simply White Diary-free chocolate bar
    68g of the white chocolate style-bar each day for 7 days

Recruiting Locations

The Ohio State University
Columbus, Ohio 43210
Contact:
Martha Belury, PhD
614-292-1680
belury.1@osu.edu

More Details

NCT ID
NCT06223672
Status
Recruiting
Sponsor
Ohio State University

Study Contact

Martha Belury, PhD, RDN
614-292-1680
belury.1@osu.edu

Detailed Description

Study objective including 1. To measure the impact of dietary fats on postprandial cognitive function in adults who report subjective cognitive complaints. 2. To assess the effect of dietary fat consumption on the gut-brain axis in relationship to cognitive function.

Notice

Study information shown on this site is derived from ClinicalTrials.gov (a public registry operated by the National Institutes of Health). The listing of studies provided is not certain to be all studies for which you might be eligible. Furthermore, study eligibility requirements can be difficult to understand and may change over time, so it is wise to speak with your medical care provider and individual research study teams when making decisions related to participation.