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Dietary Supplement
Blueberries for High Blood Pressure
Phase 1 & 2
Recruiting
Research Sponsored by Colorado State University
Eligibility Criteria Checklist
Specific guidelines that determine who can or cannot participate in a clinical trial Must have
Men and postmenopausal women aged 45-70 years
Be older than 18 years old
Timeline
Screening 3 weeks
Treatment Varies
Follow Up baseline to 12 weeks
Awards & highlights
Study Summary
This trial will test whether blueberries can help reduce blood pressure and improve vascular function in middle-aged and older men with elevated blood pressure or stage 1 hypertension.
Who is the study for?
This trial is for men aged 45-70 and postmenopausal women with elevated blood pressure or stage 1 hypertension. Participants must be able to consent, not have had cancer, cardiovascular disease, diabetes, or certain other health conditions. They shouldn't be on multiple antihypertensive drugs or recent smokers.Check my eligibility
What is being tested?
The study tests if blueberry powder can lower blood pressure and improve vascular health compared to a placebo in middle-aged/older individuals with high blood pressure. It aims to see if the antioxidants in blueberries help reduce oxidative stress and inflammation.See study design
What are the potential side effects?
Blueberry powder is generally considered safe with minimal risk of side effects; however, potential mild gastrointestinal discomfort could occur due to dietary changes.
Eligibility Criteria
Inclusion Criteria
You may be eligible if you check “Yes” for the criteria belowSelect...
I am a man or a postmenopausal woman aged between 45 and 70.
Timeline
Screening ~ 3 weeks3 visits
Treatment ~ Varies
Follow Up ~ baseline to 12 weeks
Screening ~ 3 weeks
Treatment ~ Varies
Follow Up ~baseline to 12 weeks
Treatment Details
Study Objectives
Outcome measures can provide a clearer picture of what you can expect from a treatment.Primary outcome measures
Reactive hyperemia index
Secondary outcome measures
Augmentation index
Blood pressure
Endothelial cell protein expression
+8 moreTrial Design
2Treatment groups
Experimental Treatment
Placebo Group
Group I: BlueberryExperimental Treatment1 Intervention
22 g blueberry powder per day
Group II: ControlPlacebo Group1 Intervention
22 g placebo control powder per day
Treatment
First Studied
Drug Approval Stage
How many patients have taken this drug
Blueberry Powder
2017
N/A
~80
Find a Location
Logistics
Participation is compensated
You will be compensated for participating in this trial.
Who is running the clinical trial?
Colorado State UniversityLead Sponsor
125 Previous Clinical Trials
38,301 Total Patients Enrolled
Wild Blueberry Association of North AmericaUNKNOWN
1 Previous Clinical Trials
10 Total Patients Enrolled
Media Library
Eligibility Criteria:
This trial includes the following eligibility criteria:- I have been diagnosed with cancer or a major organ disease.I have been on hormone replacement therapy for the last 6 months.I am a current smoker or have smoked in the last year.My BMI is either below 18.5 or above 40.Your reactive hyperemia index is higher than 3.00%.I am a man or a postmenopausal woman aged between 45 and 70.Your blood pressure is too high.I am on more than one blood pressure medication or take it more than once a day.I have taken antibiotics in the last two months.I have high triglycerides, LDL cholesterol, or blood sugar, or I'm on medication for these.I have lost or gained 3 kg recently and am not trying to keep my weight stable.Your blood pressure is too low (less than 120) or too high (140/90 or higher).You drink a lot of alcohol, more than 3 drinks at a time or more than 7 drinks per week if you're a woman, and more than 4 drinks at a time or more than 14 drinks per week if you're a man.
Research Study Groups:
This trial has the following groups:- Group 1: Control
- Group 2: Blueberry
Awards:
This trial has 0 awards, including:Timeline:
This trial has the following timeline:- Screening: It may take up to 3 Weeks to process to see if you qualify in this trial.
- Treatment: The duration you will receive the treatment varies.
- Follow Ups: You may be asked to continue sharing information regarding the trial for 6 Months after you stop receiving the treatment.
Frequently Asked Questions
These questions and answers are submitted by anonymous patients, and have not been verified by our internal team.
Does this experiment prohibit patients who are over 55 years old?
"The age range for patients eligible to participate in this trial fall between 45 and 70 years old."
Answered by AI
How many patients are part of this clinical trial?
"That is correct. The clinical trial in question, which was initially posted on January 1st 2020, is still recruiting patients according to the information available on clinicaltrials.gov. So far, 58 people have been enrolled at a single location."
Answered by AI
Are there any patients still needed for this experiment?
"The most recent update on clinicaltrials.gov shows that this trial is still searching for volunteers. The original posting date was 1/1/2020, with the 8/19/2022 update being the latest change."
Answered by AI
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