Beetroot juice may fight muscle wasting during bed rest
NCT ID NCT07161973
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study tests whether taking dietary nitrate (found in beets) can help prevent muscle loss and weakness when a leg is immobilized in a brace for 14 days. Researchers will measure muscle function and energy use in 24 healthy young men. The goal is to find a simple, drug-free way to protect muscles during recovery from injury or illness.
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Study facts
What this study's own registry entry says, in plain language.
- Phase
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Not a phased trial
Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.
- Participants
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About 24 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Jan 2026
- Expected to finish
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Dec 2026
An estimate. End dates often move.
- Lead sponsor
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Other sponsor
The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
- Ages
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18 to 44 years
- Sex
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Male participants only
- Healthy volunteers
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Accepted
You do not need to have the condition being studied to take part.
Show the full entry requirements Hide the full entry requirements
Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: * Men age 18-44 * Above the minimum threshold of the IPAQ questionnaire * Below the maximum threshold of the IPAQ questionnaire Exclusion Criteria: * Men and women \<18 or \>44 years of age * Unable to provide informed consent * Known clotting disorder * Previous history of deep vein thrombosis * Injury to either leg resulting in reduced mobility in the previous year * Currently dieting or weight instability for the past 3 months * Epileptic * Pacemaker or other implantable heart device * Currently taking antibiotics * Current smoker * Stage II hypertension (resting blood pressure \>140/\>90) * Previously undergone a revascularization procedure involving a vascular graft or stenting of the femoral or popliteal arteries * Those taking phosphodiesterase inhibitors (e.g., Viagra), proton pump inhibitors, antacids, xanthine oxidase inhibitors, hormonal contraceptives or on hormone replacement therapy * An answer of yes to any of the seven questions on the first page of the Physical Activity Readiness Questionnaire (PAR-Q. These exclusions include the following: * If participant's doctor has ever said that he/she has a heart condition and that he/she should only do physical activity recommended by a doctor * Pain in chest when doing physical activity * In past month, chest pain when not doing physical activity * If participant has ever lost balance because of dizziness or has ever lost consciousness * Muscle, bone, or joint problem that could be made worse by physical activity * Currently on prescribed drugs for blood pressure or heart condition. * If the participant knows of any other reason he/she should not do physical activity.
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
How to take part
Only the study team decides who joins. These are the ways to reach them.
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The places running it
1 site. The list below names each one and where it is.
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The official record
ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.
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A doctor treating you
A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.
Contacts and locations
Locations
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Indiana University Indianapolis
RECRUITINGIndianapolis, Indiana, 46202, United States
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