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Beetroot boost: could this supplement help hypertensive seniors exercise safely?

NCT ID NCT07444138

Symptom relief Sponsor: São Paulo State University Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now This study
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This study is testing whether a beetroot extract supplement can lower blood pressure and improve muscle oxygen levels in older women (ages 60-70) with high blood pressure during a single aerobic exercise session. Twenty participants will take either the beetroot supplement or a placebo before exercising on a treadmill. Researchers will measure blood pressure, muscle oxygen, and markers of oxidative stress to see if the supplement offers any immediate benefit.

What this could mean

Our plain-language read of the trial. This is informational only, not medical advice or a prediction.

Active substance
beetroot extract (nitrate-rich dietary supplement)
What this could lead to
If it works, this could point toward a simple dietary supplement to help manage blood pressure during exercise for older women with hypertension.
What could go wrong
This is a very small, early study with only 20 participants, so results may not apply to everyone. It only looks at immediate effects, not long-term benefits or safety.

This is an AI summary of the original study and may miss details. Read our disclaimer.

Study facts

What this study's own registry entry says, in plain language.

Phase

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

About 20 people

The number the study aims to enrol. It can still change while the study runs.

Started

Oct 2025

Expected to finish

Jul 2026

An estimate. End dates often move.

Lead sponsor

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

60 years and older

Sex

Female participants only

Healthy volunteers

Accepted

You do not need to have the condition being studied to take part.

Show 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: * Female sex: Older women aged between 60 and 70 years. * Physical capability: Absence of health conditions that could compromise performance in the required physical exercise tests. Exclusion Criteria: * Smoking: Current smokers. * Alcohol use: History of alcohol abuse or excessive alcohol consumption. * Cardiovascular Disease: Diagnosis of cardiovascular diseases (other than the primary condition of hypertension).

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Conditions

The condition(s) this trial relates to.

hypertensive disorder

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Hypertension Hypertension (HTN)

How to take part

Only the study team decides who joins. These are the ways to reach them.

  1. The places running it

    1 site. The list below names each one and where it is.

  2. The official record

    ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.

    Open the record ↗

  3. 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

  • São Paulo State University (UNESP)

    RECRUITING

    Bauru, São Paulo, 17011-041, Brazil

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