Independent directory Public ClinicalTrials.gov records United States
ClinicalTrials.gov record
Completed Not applicable Interventional Accepts healthy volunteers

Inorganic Nitrate and OSA

ClinicalTrials.gov ID: NCT03930563

Public ClinicalTrials.gov record NCT03930563. 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.

ClinicalTrials.gov public records Last synced May 14, 2026, 7:18 PM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Official title

Acute Beetroot Juice Supplementation and Peripheral Chemoreflex Sensitivity in Patients With Obstructive Sleep Apnea

Study identification

NCT ID
NCT03930563
Recruitment status
Completed
Study type
Interventional
Phase
Not applicable
Lead sponsor
University of Iowa
Other
Enrollment
21 participants

Conditions and interventions

Interventions

  • Post-beetroot juice supplementation Dietary Supplement
  • Pre-beetroot juice supplementation Dietary Supplement

Dietary Supplement

Eligibility (public fields only)

Age range
30 Years to 70 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
Jun 11, 2019
Primary completion
Mar 5, 2020
Completion
Mar 5, 2020
Last update posted
Apr 26, 2021

2019 – 2020

United States locations

U.S. sites
1
U.S. states
1
U.S. cities
1
Facility City State ZIP Site status
Medical Education Building Iowa City Iowa 52242

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 NCT03930563, 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 Apr 26, 2021 · Synced May 14, 2026

Related: full search, browse by condition, browse by drug or therapy, browse by sponsor, browse by U.S. city.

Open the official record

The complete protocol, eligibility criteria, and contact information for NCT03930563 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →