Status:

RECRUITING

Non-Nutritive Sweetener Consumption and Glucose Homeostasis in Older Adults With Prediabetes

Lead Sponsor:

Virginia Polytechnic Institute and State University

Conditions:

Continuous Glucose Monitoring

Oral Glucose Tolerance

Eligibility:

All Genders

40+ years

Phase:

NA

Brief Summary

Animal and observational research in humans suggest that specific types of non-nutritive sweeteners (NNS) may impair glycemic control. However, whether NNS consumption impacts glucose homeostasis in m...

Detailed Description

Observational research has linked intake of non-nutritive sweeteners (NNS), which are consumed daily by \~50% of middle-aged/older U.S. adults, with increased risk of type 2 diabetes (T2D). This risk ...

Eligibility Criteria

Inclusion

  • Age 40+ years
  • Prediabetic (fasting glucose concentration of 100-125 mg/dL, 2-hour oral glucose tolerance test glucose concentration of 140-199 mg/dL, or a HbA1c value of 5.7% to 6.4%)
  • Weight stable for previous 6 months (±2 kg)
  • BMI \<40 kg/m2
  • 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
  • Consume less than one serving of non-nutritive sweetener per week

Exclusion

  • BMI \>40 kg/m2
  • Diabetes or diabetes medication
  • Antibiotic, prebiotic or prebiotic use in prior 3 months
  • Uncontrolled hypertension (blood pressure (BP) \> 159/99 mmHg)
  • 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
  • Breastfeeding
  • Food allergies or aversions, Phenylketonuria (PKU)
  • Estrogen or testosterone usage

Key Trial Info

Start Date :

April 18 2023

Trial Type :

INTERVENTIONAL

Allocation :

ESTIMATED

End Date :

February 28 2026

Estimated Enrollment :

30 Patients enrolled

Trial Details

Trial ID

NCT05337098

Start Date

April 18 2023

End Date

February 28 2026

Last Update

December 4 2025

Active Locations (1)

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Virginia Tech

Blacksburg, Virginia, United States, 24061