Wild Blueberries for Gut, Brain, and Cardiometabolic Health in Prediabetes

Recruiting now · Not applicable · Has a placebo group

Conditions studied: Prediabetes (Insulin Resistance, Impaired Glucose Tolerance), Female, Adult, Endothelial Function (Reactive Hyperemia), Arterial Stiffness, Cognition, Oxidative Stress, Gut Microbiota, Overweight, Inflammation, Microvascular Function, Body Composition

In brief

The goal of this clinical trial is to determine the effectiveness of using a freeze-dried wild blueberry powder on cardiometabolic health, cognitive function, and gut microbiota composition in adult women with prediabetes.

Key facts

Study ID

NCT06735651

Run by

Georgia State University

People needed

30

Starts

2024-09-20

Expected to finish

2026-06-01

Last updated by the study team

2026-03-25

Who can join

Age: 20 and older, up to 65. Sex: female. Healthy volunteers: not accepted.

You may qualify if…

• Women aged 20-65 years old
• Prediabetes (fasting blood glucose 100-125 mg/dL and/or HbA1c percentage between 5.7-6.4)
• Body Mass Index between 25-30 kg/m\^2

You may not qualify if…

• Allergies to berries
• Use of insulin, antidiabetic, antibiotics, and anti-inflammatory drugs
• Active cancer, gastrointestinal, renal, thyroid, stage 1 \& 2 hypertension and other cardiovascular diseases, neurological diseases, or severe head injury
• Smoking
• Consumes greater than 2 alcoholic beverages per day
• Consumes antioxidant, probiotic, and prebiotic supplements
• Pregnant or Lactating
• Actively participating in a weight loss program
• Currently taking berry supplements or recently participated in another study taking berry supplements

Where it is running

• Georgia State University — Atlanta, Georgia, United States (enrolling)

Full record on ClinicalTrials.gov

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