Using blueberries to improve health in women with prediabetes
Official title: Wild Blueberries for Gut, Brain, and Cardiometabolic Health in Female Adults With Prediabetes.
Run by Georgia State University · NCT06735651 · Data updated 2026-11-12
This study is testing if eating freeze-dried wild blueberry powder can help improve health, brain function, and gut health in women with prediabetes.
Quick facts
| Study type | Interventional |
|---|---|
| Ages | 20 Years to 65 Years |
| Sex | Women only |
| Enrollment | 30 (estimated) |
| Sponsor | Georgia State University Academic / other |
| Locations | 1 site (Atlanta, Georgia) |
| Status | Recruiting |
| Started | September 20, 2024 |
| Main results expected | June 1, 2027 |
| Study ends | September 1, 2027 |
| Registry record updated | September 2, 2026 |
| Trial ID | NCT06735651 on ClinicalTrials.gov |
Is this trial a fit for you?
✓Likely a good fit
Ideal candidates for this study are women aged 45-65 years with prediabetes and a body mass index between 25-30 kg/m².
✕Probably not a fit
Patients with allergies to berries, active cancer, or other significant health conditions may not benefit from this study.
A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.
What this trial studies
This clinical trial aims to evaluate the effects of freeze-dried wild blueberry powder on cardiometabolic health, cognitive function, and gut microbiota in adult women with prediabetes. The study will involve a six-week randomized, placebo-controlled design where participants will consume either blueberry powder or a placebo daily. Researchers will measure changes in health parameters such as blood glucose levels, cognitive performance, and gut health to determine the effectiveness of blueberries as a dietary intervention. This research is significant as it addresses a gap in understanding the impact of blueberries on health outcomes specifically in women with prediabetes.
Why it matters
Potential benefit: If successful, this study could provide a natural dietary intervention to improve health outcomes for women with prediabetes.
How similar studies have gone: While there have been studies showing health benefits of blueberries in various populations, this specific approach in women with prediabetes is novel and has not been extensively tested.
Who can join: the full rules
Show full inclusion / exclusion criteria
Inclusion Criteria: * 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 Exclusion Criteria: * 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's running
-
Georgia State University
Atlanta, Georgia, United States Recruiting
Study contacts
- Principal investigator: Rafaela G Feresin, PhD — Georgia State University
- Study coordinator: Rafaela G Feresin, PhD
- Email: berries@gsu.edu
- Phone: 404-413-1233
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How to take part
- Review the eligibility criteria above with your treating physician.
- Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
- Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.