Status:

COMPLETED

Ultra-processed Food Consumption, Gut Microbiota, and Glucose Homeostasis

Lead Sponsor:

Virginia Polytechnic Institute and State University

Collaborating Sponsors:

Duke University

Conditions:

Insulin Sensitivity

24-hour Glucose Control

Eligibility:

All Genders

40-65 years

Phase:

NA

Brief Summary

Advancing age is associated with gut dysbiosis, low-grade chronic inflammation, progressive insulin resistance, and increased risk of type 2 diabetes (T2D). Prediabetes is present in 45-50% of middle-...

Eligibility Criteria

Inclusion

  • Weight stable for previous 6 months
  • Sedentary to recreationally active
  • No plans to gain/lose weight or change physical activity level
  • Willing to pick up food daily and consume foods provided for an 8-week period
  • Verbal and written informed consent
  • Approval by Medical Director
  • Estrogen or testosterone usage is acceptable, if on stable dose for \>6 months

Exclusion

  • BMI \>35 kg/m2
  • Diabetes or diabetes medication
  • Antibiotic, prebiotic or prebiotic use in prior 3 months
  • TCHOL \>6.2 mmol/L; TG \>4.5 mmol/L
  • Blood pressure (BP) \> 159/99 mmHg (Stable BP on antihypertensive medications used for \>6 months is acceptable)
  • Diagnosed inflammatory bowel disease
  • Past or current heart diseases, stroke, respiratory disease, endocrine or metabolic disease, or hematological-oncological disease
  • Vegetarian or vegan
  • Pregnant or plans to become pregnant
  • Food allergies or aversions
  • 3 or fewer stools per week or regular laxative use

Key Trial Info

Start Date :

March 15 2023

Trial Type :

INTERVENTIONAL

Allocation :

ACTUAL

End Date :

September 30 2025

Estimated Enrollment :

20 Patients enrolled

Trial Details

Trial ID

NCT05358171

Start Date

March 15 2023

End Date

September 30 2025

Last Update

December 18 2025

Active Locations (1)

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1

Virginia Tech

Blacksburg, Virginia, United States, 24061