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Cuff trick may help aging muscles grow without heavy lifting

NCT ID NCT07689487

Disease control Sponsor: Akdeniz University Source: ClinicalTrials.gov ↗

What the study statuses mean

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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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Jul 08, 2026 · Last updated Jul 09, 2026 · Updated 1 time

Summary

This study tests whether low-load arm exercises combined with inflatable cuffs that briefly restrict blood flow can improve muscle size and small blood vessel health in older adults. Participants aged 50 and older are randomly assigned to exercise with the cuffs, exercise without them, or continue normal activities. Over eight weeks, researchers measure changes in arm muscle thickness and capillary structure using ultrasound and specialized cameras.

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 (BFR) device (KAATSU Cycle 2.0)
What this could lead to
If effective, this approach could offer a safe, low-impact exercise method to help older adults maintain muscle mass and blood vessel health without heavy weights.
What could go wrong
This is a small, early-phase trial with only 31 participants, so results may not apply broadly. The BFR device must be used carefully to avoid discomfort or injury.

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

31 people

The number who actually took part.

Started

Feb 2026

Finished

Jun 2026

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

50 years and older

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: * Age 50 years or older. * Recreationally active, defined as participating in light-to-moderate physical activity 2 or more days per week. * No structured resistance training within the preceding six months. * Free from cardiovascular disease, neurological conditions, or musculoskeletal injury contraindicating resistance exercise. * Able to provide written informed consent before enrollment. Exclusion Criteria: * Current use of anticoagulant or vasoactive medication. * History of deep vein thrombosis (DVT). * Resting systolic blood pressure greater than 160 mmHg.

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Conditions

The condition(s) this trial relates to.

muscular atrophy Sarcopenia

As listed by the trial registrant

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

Aging Muscle atrophy Sarcopenia in elderly

Contacts and locations

Locations

  • Akdeniz University, Faculty of Sport Sciences

    Antalya, Antalya, 07058, Turkey (Türkiye)

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