Wild Blueberries for Gut, Brain, and Heart Health in Adults With High Blood Pressure
Effects of Wild Blueberry Consumption on Gut, Brain, and Cardiovascular Health in Non-Hispanic Black and White Adults With High Blood Pressure
Who can join
As published by the study on ClinicalTrials.gov. "Not stated" means the study hasn't said — ask the study team.
- Age
- 45 Years to 65 Years
- Sex
- All sexes
- Healthy volunteers
- Not accepted
- Compensation
- Not stated
Other requirements are listed under Eligibility below. Only the study team can confirm whether you can join.
What to expect
No one can promise a trial will help you personally — that is what the research is trying to find out.
What participation involves
Not stated in the study description — ask the study team about visits and procedures.
- Compensation
- Not stated
- Study-related exams and procedures are typically provided at no cost. This is how many trials work in general — confirm the details for this study with the study team.
- Participants are monitored closely by the research team throughout the study.
- Some participants may receive access to an investigational treatment, which is still being studied.
- Your participation helps researchers learn whether this approach could help future patients.
About this study
In plain language
This study tests whether wild blueberries help heart health, thinking skills, and the mix of germs in the gut. It is for non-Hispanic Black and White adults ages 45–65 with raised blood pressure.
The purpose of the study is to determine the effectiveness of wild blueberries on cardiovascular health, cognitive function, and gut microbiota composition in non-Hispanic Black and White adults with elevated blood pressure.
Compensation is read from the study's own description and may be missing — always confirm with the study team.
Eligibility
Who can join
- You are 45–65 years old.
- You have had raised blood pressure or stage 1 high blood pressure for at least 6 months: a top number of 120–139 and/or a bottom number of 80–89 mmHg.
- Your BMI, a measure based on height and weight, is 25–35.
- You can give consent, meaning you can agree to join the study.
Who can't join
- You are allergic to berries.
- You have taken one blood pressure medicine for less than 3 months.
- You use more than one blood pressure or statin (cholesterol) medicine, or use insulin, antibiotics, or medicines that reduce swelling.
- You have active cancer; a gut, kidney, heart or blood vessel, thyroid, or brain or nerve disorder; or a severe head injury.
- You smoke or have more than 2 alcoholic drinks a day.
- You take antioxidant supplements, probiotics (helpful germs), or prebiotics (food for helpful gut germs).
- You are pregnant or breastfeeding.
- You are in a weight loss program.
Simplified for readability. The official criteria below are what the study team uses.
Official eligibility criteria
Inclusion Criteria: * Individuals 45-65 years of age * Diagnosis of elevated blood pressure or stage 1 hypertension (systolic blood pressure = 120-139 mmHg and/or diastolic blood pressure = 80-89 mmHg) for at least 6 months * BMI 25-35 kg/m2 via anthropometric measurements. * Ability to give consent Exclusion Criteria: * Allergies to berries * Use of one hypertensive drug for less than three months * Use of more than one anti-hypertensive or statin drug, insulin, antibiotics, and anti-inflammatory drugs, active cancer, gastrointestinal, renal, cardiovascular, thyroid, and neurological disorders or severe head injury * Smoking * Alcohol consumption (\>2 drinks/day) * Consuming antioxidant, probiotic, and prebiotic supplements * Pregnant or lactating * Participating in a weight loss program
Study sites (1)
GA
- Georgia State University · Atlanta, GA 30303Rafaela Feresin, PhD · Study contact · 404-413-1233 · berries@gsu.eduRafaela G Feresin, PhD · Principal investigatorAndrew Gerwitz, PhD · Sub-investigatorTricia Z King, PhD · Sub-investigatorMore trials in Atlanta