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New adjustable socket could help veterans walk more comfortably

NCT ID NCT05989243

Symptom relief Sponsor: VA Office of Research and Development 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 26, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study compares a new adjustable prosthetic socket to a standard rigid socket in 40 veterans with leg amputations. Participants will walk on a treadmill at different speeds while researchers measure how evenly they walk and how comfortable the socket feels. The goal is to find a socket design that improves rehabilitation and daily function.

What this could mean

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

Active substance
Adjustable Quatro socket (prosthetic device)
What this could lead to
If successful, this could lead to better-fitting prosthetic sockets that improve comfort, walking symmetry, and quality of life for people with lower-limb amputations.
What could go wrong
This is a small early-stage study with only 40 participants, so results may not apply to everyone. The adjustable socket may not prove significantly better than conventional sockets.

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 40 people

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

Started

Jan 2022

Expected to finish

Mar 2027

An estimate. End dates often move.

Lead sponsor

A government agency

The lead sponsor is a US federal agency other than the NIH.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Who is studied

20 Veterans with unilateral transtibial amputation and 20 Veterans with unilateral transfemoral amputation

Ages

18 to 65 years

Sex

Anyone

Healthy volunteers

Accepted

You do not need to have the condition being studied to take part.

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 investigators will enroll up to 40 Veterans * 20 with unilateral transtibial amputation * 20 with unilateral transfemoral amputation who are at or above a K2 Medicare functional classification level (MFCL) and who are 18-65 years old * All participants will have no current problems with their prosthesis or residual limb, and be at least 6-months post-amputation * Participants will be at or above a K2 MFCL, defined as a person who has the ability or potential for ambulation with the ability to traverse low level environmental barriers such as curbs, stairs, or uneven surfaces, typical of the limited community ambulator Exclusion Criteria: * Cardiovascular, pulmonary, or neurological disease or disorder or requirement for an assistive device for their unaffected leg (i.e. orthosis, cane)

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As listed by the trial registrant

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

Transfemoral amputation Transtibial amputation

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

  • Rocky Mountain Regional VA Medical Center, Aurora, CO

    RECRUITING

    Aurora, Colorado, 80045-7211, United States

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