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Clinical Trial Summary

The purpose of this study is to investigate if a beetroot juice supplement can improve oxygen capacity during walking tasks at a submaximal and maximal effort in people greater than 6 months following stroke.


Clinical Trial Description

During this study, participants will perform baseline measurements such as walking and balance tests. During baseline testing, participants will be asked to perform a maximal exertion test while walking on a treadmill to determine the speed for a submaximal walking test. One week after baseline testing, the participant will have an intervention session where they drink either a beetroot juice supplement or a placebo. The placebo will taste similar to the beetroot juice and participants may not be able to tell the difference between the two different supplements. After a week, the participant will return to the lab and drink the other supplement. For example, if the participant drank the beetroot juice in the first session, then they will drink the placebo in the second session. During each intervention session, the participant will be asked to perform two treadmill tests, one with submaximal effort and one with maximal effort. After the walking tests, they will drink either the beetroot juice or placebo and have their blood drawn. They will wait at the hospital for 2-3 hours and have their blood drawn again. The participants will then complete the two treadmill tests again. The two intervention sessions will last about 4-6 hours for each session. Participation in the study will last 4-6 weeks including screening and baseline testing. ;


Study Design


Related Conditions & MeSH terms


NCT number NCT05720013
Study type Interventional
Source Indiana University
Contact George Hornby
Phone 317-329-2353
Email tghornby@iu.edu
Status Recruiting
Phase N/A
Start date February 1, 2023
Completion date December 31, 2023

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