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Tight bands during exercise: good or bad for your arteries?

NCT ID NCT05451641

Knowledge-focused Sponsor: Hirofumi Tanaka Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now
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 This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 24, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study looked at how two different blood flow restriction devices (wide-rigid cuffs vs. narrow-elastic bands) affect blood vessel function during resistance training. Twenty-six healthy young adults did a 2-week exercise program. Researchers measured changes in blood vessel health and muscle strength to see which device works better and if any short-term side effects occur.

What this could mean

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

Active substance
blood flow restriction resistance training
What this could lead to
If successful, this could help refine exercise methods to improve blood vessel health and muscle strength safely.
What could go wrong
This is a small, short-term study (26 people, 2 weeks) with healthy young adults, so results may not apply to older or less healthy populations.

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

26 people

The number who actually took part.

Started

Sep 2022

Finished

Sep 2024

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

18 to 40 years

Sex

Anyone

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: * Apparently healthy, sedentary or recreationally active young adults aged between 18 - 40 years old and signed the informed consent. Exclusion Criteria: * A current COVID-19 diagnosis * morbid obesity * hypertension * smoking * overt cardiovascular disease * using any medication that might affect the cardiovascular system * current participation in resistance training.

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As listed by the trial registrant

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

Endothelial function

Contacts and locations

Locations

  • Cardiovascular Aging Research Laboratory

    Austin, Texas, 78705, United States

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