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Smart socks for surgery recovery? wireless insole measures walking after hip or knee replacement

NCT ID NCT03673293

Knowledge-focused Sponsor: University of Utah 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 27, 2026 · Last updated Jun 27, 2026

Summary

This study tested a wireless insole device (Loadsol) in 58 people who had hip or knee replacement surgery. The goal was to see if the device could accurately measure how much weight they put on their leg while walking and if giving feedback could help improve their walking symmetry. The study was completed and focused on evaluating the technology, not on providing a new treatment.

What this could mean

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

Active substance
Loadsol wireless insole device
What this could lead to
If successful, this could provide a simple way to track recovery after joint replacement and help patients improve their walking symmetry.
What could go wrong
This is a small, completed study focused on measuring outcomes, not testing a treatment. The device may not prove useful for improving recovery in larger or more diverse groups.

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

58 people

The number who actually took part.

Started

May 2018

Finished

Aug 2025

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

Patients who plan or recently underwent (up to 8 weeks postoperatively) primary total joint arthroplasty

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: * Planned or recently underwent (up to 8 weeks postoperatively) primary total joint arthroplasty * Free walking before surgery, no devices needed * Age \>/=18 years * Preoperative outcomes scores (PF CAT, PROMIS Global Health, KOOS JR) * Written informed consent Exclusion Criteria: * Index procedure is a revision total joint arthroplasty * Total knee or hip arthroplasty on the contralateral side within 1 one year of index procedure * Severe medical comorbidity (ASA\>/=3) * Participant is planning TJA on another joint within next 12 months * Significant symptoms on contralateral knee/hip/ankle that could impede performance on study

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As listed by the trial registrant

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

Total joint arthroplasty

Contacts and locations

Locations

  • University of Utah Orthopaedic Center

    Salt Lake City, Utah, 84108, United States

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