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Mind-Controlled ankles could help amputees stand tall

NCT ID NCT06452186

Symptom relief Sponsor: North Carolina State 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Jul 15, 2026 · Updated 4 times

Summary

This study looks at whether a special prosthetic ankle that reads muscle signals can help people with below-knee amputations improve their balance and stability. About 50 adults who have had an amputation for at least two years will train with this powered ankle and be compared to a group using their regular prosthetic. The goal is to see if this technology leads to more natural movement and less mental effort when walking or standing.

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 50 people

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

Started

Oct 2023

Expected to finish

Jul 2028

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 99 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: * 18 years or older; * unilateral bower limb amputee * K-level 2 or higher (who are frequent prosthesis users and may benefit from the proposed prosthesis training and use of dEMG controlled powered prosthesis) * Amputation occurred over 2 years ago * At least 1 year of experience using their prosthetic leg * Has used the current socket for at least 6 months without a significant skin issue or major modification * Are willing to come to NC State University's Centennial Campus to participate in research and be photographed while doing research activities Exclusion Criteria: * Have a very short residual shank (the length of the residual limb is ≤15% of the length of intact limb) * Cannot perform functional ambulation in the community on a daily basis without assistive devices * Cognitive or visual impairment that affects the participant's ability to provide informed consent or to follow simple instructions during the experiments * Congenital amputees * Amputees who use powered prosthetic ankles * Weight more than 300lbs * Pregnant Person * Allergic to latex, which is often contained in medical tapes.

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Conditions

The condition(s) this trial relates to.

injury

As listed by the trial registrant

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

Lower limb amputation below knee (injury)

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

  • North Carolina State University

    RECRUITING

    Raleigh, North Carolina, 27695, United States

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