Effects of Aronia Berries on Vascular Endothelial Function and the Gut Microbiota in Middle-Aged/Older Adults
Public ClinicalTrials.gov record NCT03824041. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.
Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.
Official title
Aronia Berry Supplementation for Improving Vascular Endothelial Dysfunction and Modulating the Gut Microbiota in Middle-Aged/Older Adults
Brief summary
Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.
Aging is the primary risk factor for cardiovascular disease (CVD) largely due to vascular endothelial dysfunction, a major initial step in the development of atherosclerosis. Endothelial dysfunction is characterized by impaired endothelium-dependent dilation and is primarily caused by reduced nitric oxide bioavailability secondary to oxidative stress and inflammation. Interventions that improve endothelial dysfunction are important for improving endothelial function and reducing CVD risk in this high-risk population. Aronia melanocarpa, commonly known as aronia berries or chokeberries, are rich in polyphenols such as anthocyanins, proanthocyanidins, and phenolic acids. These compounds, and derivatives resulting from gut microbial and phase II metabolism, have been shown to attenuate oxidative stress and inflammation, and to improve endothelial function. Aronia berries and other berries have been shown in numerous studies to have diverse cardiometabolic health effects including modulation of endothelial function, arterial stiffness, blood pressure, oxidative stress, and inflammation. In addition, berries, dietary fiber, polyphenols have been shown to exert positive effects on the gut microbiota, which may mediate improvements in cardiovascular health. Recently, we have demonstrated that modulation of the gut microbiota is associated with improvements in vascular dysfunction. The primary goal of the currently proposed research is to assess the efficacy and dose-dependent response of an aronia full spectrum dietary supplement to improve endothelial function in middle-aged/older men and postmenopausal women. A secondary goal is to determine whether aronia full spectrum modulation of the gut microbiota is associated with improvements in endothelial function. Other functional and biochemical measures of cardiovascular health, oxidative stress, inflammation, and polyphenol metabolism will be assessed.
Study identification
- NCT ID
- NCT03824041
- Recruitment status
- Completed
- Study type
- Interventional
- Phase
- Not applicable
- Enrollment
- 24 participants
Conditions and interventions
Conditions
Interventions
- Aronia full spectrum - half dose Dietary Supplement
- Aronia full spectrum - full dose Dietary Supplement
- Placebo Dietary Supplement
Dietary Supplement
Eligibility (public fields only)
- Age range
- 45 Years to 75 Years
- Sex
- All
- Healthy volunteers
- Accepts healthy volunteers
This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.
Study timeline
- Start date
- Feb 10, 2019
- Primary completion
- Jul 25, 2021
- Completion
- Jul 25, 2021
- Last update posted
- Jul 2, 2023
2019 – 2021
United States locations
- U.S. sites
- 1
- U.S. states
- 1
- U.S. cities
- 1
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Department of Food Science and Human Nutrition, Colorado State University | Fort Collins | Colorado | 80523-1571 | — |
Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT03824041, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
- What this page does not do
- No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
- Where the data comes from
- Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
- Last refresh
- Last update posted Jul 2, 2023 · Synced Sep 9, 2026
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Open the official record
The complete protocol, eligibility criteria, and contact information for NCT03824041 live on ClinicalTrials.gov.