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Smart insoles could forecast knee surgery success

NCT ID NCT07367789

Knowledge-focused Sponsor: Yonsei 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 special insoles that measure how you walk can predict your recovery after knee replacement surgery. 200 adults with knee osteoarthritis will wear the insoles before surgery and complete questionnaires about their symptoms. Researchers will use computer models to see if walking patterns can forecast who will improve the most.

What this could mean

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

What this could lead to
If successful, this could lead to a simple test using smart insoles to predict how well someone will recover after knee replacement surgery.
What could go wrong
This is an early observational study, not a treatment trial. The predictions may not be accurate enough to use in practice, and results may not apply to all patients.

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.

Participants

About 200 people

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

Started

Jun 2021

Expected to finish

Dec 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.

Who is studied

Adults with knee osteoarthritis undergoing primary total knee arthroplasty at two hospitals in South Korea.

Ages

19 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: * Age ≥ 19 years * Diagnosed with knee osteoarthritis (Kellgren-Lawrence grade 1-4) * Scheduled for primary Total Knee Arthroplasty (TKA) at either study site * Able to walk independently on level ground (Functional Ambulation Categories, FAC ≥ 3) Exclusion Criteria: * Cancellation of scheduled TKA * History of TKA on the same knee * Neurological or musculoskeletal disorders affecting gait * Pregnancy or possibility of pregnancy * Any condition deemed inappropriate for study participation by the investigator

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Conditions

The condition(s) this trial relates to.

osteoarthritis, knee

As listed by the trial registrant

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

Knee osteoarthritis Total knee arthroplasty

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

  • Yongin Severance Hospital

    RECRUITING

    Yongin-si, Gyeonggi-do, 16995, South Korea

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