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New device aims to take the guesswork out of prosthetic fit

NCT ID NCT07491614

Knowledge-focused Sponsor: University of Washington 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 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 26, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study tests a new, non-invasive device that attaches to the outside of a prosthetic leg socket to measure how well it fits. Poor socket fit can cause pain, skin problems, and reduced mobility. The device tracks movement and accuracy as users perform a simple task, aiming to provide objective fit data. The pilot study will enroll 18 adults with above-knee amputations to see if the device is reliable and valid.

What this could mean

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

Active substance
Prosthetic socket fit testing system
What this could lead to
If successful, this device could provide a quick, non-invasive way to check prosthetic socket fit, helping prosthetists make adjustments that reduce pain and improve mobility.
What could go wrong
This is a very small pilot study with only 18 participants, so results may not apply to everyone. The device is still a prototype and may not prove accurate or practical in real-world use.

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 18 people

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

Expected to start

Apr 2026

An estimate. Start dates often move.

Expected to finish

Feb 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

18 to 70 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: * be between 18 and 70 years old * have a unilateral transfemoral amputation * be at least 12 months post-amputation * have a residual limb that is free of open wounds or infections * wear a prosthesis for a minimum of four hours per day * be able to ambulate short distances with a prosthesis * be able to stand on the intact leg for brief periods * be able to hold onto parallel bars with the arms for balance * have pain-free range of motion at the hip on the amputated side * have no back problems that make standing or hip movement difficult * have corrected vision that is sufficient to see the cursors on the screen * be able to follow simple instructions in English Exclusion Criteria: * residual limb issues (e.g. sensitive or frail skin) that may be made worse by testing * a prosthetic socket that cannot be disconnected from the distal prosthetic components * unable to read and speak English

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As listed by the trial registrant

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

Amputation

How to take part

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  1. The official record

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  2. A doctor treating you

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