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Floating on air: anti-gravity treadmill tested for hip replacement recovery

NCT ID NCT07170215

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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 26, 2026 · Last updated Jun 26, 2026

Summary

This study tested whether walking on an anti-gravity treadmill (which reduces body weight by 80%) helps people recover strength and mobility after total hip replacement. 34 adults with hip osteoarthritis were randomly assigned to either anti-gravity treadmill training or standard physiotherapy. The main focus was on hip muscle strength, along with pain and walking tests.

What this could mean

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

Active substance
anti-gravity treadmill (ALTERG VIA device)
What this could lead to
If it works, this could offer a gentler way to exercise early after hip replacement, possibly speeding up recovery of strength and mobility.
What could go wrong
This is a small, single-center trial with only 34 people. The results may not apply to everyone, and the device is not a substitute for standard rehab.

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

34 people

The number who actually took part.

Started

Jan 2023

Finished

Jul 2023

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 years and older

Sex

Anyone

Healthy volunteers

Not accepted

This study is not open to healthy volunteers. The entry requirements below say who it is open to.

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: * The inclusion criteria was primary osteoarthritis of the hip joint. Exclusion Criteria: * Exclusion criteria included: Undergoing surgery using a different technique, revision hip replacement, acute illness, cognitive impairment, and declining participation in the study.

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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.

Contacts and locations

Locations

  • University Hospital Thalassotherapia Opatija

    Rijeka, 51000, Croatia

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Other studies related to the condition(s) this trial covers.