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One-Leg workout may ease pain in both knees for seniors

NCT ID NCT07490977

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 This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 explores whether exercising just one leg can improve strength, balance, and pain in both legs for older adults with knee osteoarthritis. Forty-five participants aged 60-80 will be assigned to different unilateral training programs for 8 weeks. Researchers will measure changes in balance, movement control, and pain to see if the benefits transfer to the untrained leg.

What this could mean

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

Active substance
unilateral strength and balance training program
What this could lead to
If it works, this could offer a simpler, less painful way to improve mobility and reduce fall risk in older adults with knee osteoarthritis.
What could go wrong
This is a small, early-stage study with only 45 participants, so results may not apply widely. The training may not produce meaningful improvements in the untrained leg.

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 45 people

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

Expected to start

Sep 2026

An estimate. Start dates often move.

Expected to finish

Dec 2027

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 to 80 years

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: * age 60-80 years, * bilateral knee osteoarthritis of grade II-III according to the Kellgren-Lawrence classification Exclusion Criteria: * acute lower extremity injuries in the past year, * taking nonsteroidal anti-inflammatory drugs within the past month, * involvement in physical therapy within the past 6 months, * undergoing intra-articular injections and/or knee surgery within the past year, * rheumatoid arthritis, septic arthritis, uncontrolled diabetes, other systemic inflammatory and autoimmune diseases, and severe cardiovascular, renal, and hepatic comorbidities

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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.

  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

  • University of Zagreb Faculty of Kinesiology

    Zagreb, 10000, Croatia

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