Clinical trial Recruiting at 1 site Interventional Ages 18 to 65

Assessing how beetroot juice affects blood vessel function in different racial groups

Official title: Effect of Acute Nitrate Supplementation on Vascular Function in Hispanic, Black and White Population

Run by University of Texas at Austin · NCT05188079 · Data updated 2026-11-12

This study is testing if drinking beetroot juice can improve blood vessel function in healthy African American, Hispanic, and Caucasian adults compared to a placebo.

Quick facts

Study typeInterventional
Ages18 Years to 65 Years
SexAll
Enrollment90 (estimated)
SponsorUniversity of Texas at Austin
Academic / other
Locations1 site (Austin, Texas)
StatusRecruiting
StartedOctober 1, 2021
Main results expectedAugust 1, 2027
Study endsJanuary 31, 2028
Registry record updatedJanuary 16, 2025
Trial IDNCT05188079 on ClinicalTrials.gov

Is this trial a fit for you?

Likely a good fit

Ideal candidates are healthy men and women who identify as Caucasian American, Hispanic, or non-Hispanic African American.

Probably not a fit

Patients with high blood pressure, obesity, or a history of cardiovascular diseases 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 study aims to evaluate vascular function among healthy African American, Hispanic, and Caucasian adults to explore racial differences in cardiovascular health. Participants will consume either beetroot juice, known for its high nitrate content, or a placebo, with their vascular responses measured before and 90 minutes after consumption. The study will employ a randomized, placebo-controlled design, ensuring a rigorous assessment of the effects of nitrate supplementation on vascular function. A washout period of at least one week will be implemented between the two visits to ensure accurate results.

Why it matters

Potential benefit: If successful, this study could lead to improved dietary recommendations for enhancing vascular health in diverse populations.

How similar studies have gone: Previous studies have shown that nitrate supplementation can improve vascular function, but this specific investigation into racial differences is novel.

Who can join: the full rules

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Healthy men and women who are either Caucasian American, Hispanic, or non-Hispanic African American

Exclusion Criteria:

* Blood pressure higher than or equal to 140/90 mmHg
* BMI \> 35kg/m2
* Have a history of cardiovascular, neurological or vascular diseases
* Take prescription medications
* Are smokers
* Are pregnant

Where it's running

  • University of Texas at Austin
    Austin, Texas, United States
    Recruiting

Study contacts

Similar studies

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How to take part

  1. Review the eligibility criteria above with your treating physician.
  2. Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
  3. Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.
Last reviewed 2026-11-14 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.