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AI learns to tune robotic legs in half the time

NCT ID NCT07204925

Knowledge-focused Sponsor: North Carolina State University Source: ClinicalTrials.gov ↗

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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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 tests a new AI system that helps doctors and prosthetists quickly tune robotic prosthetic legs for people with above-knee amputations. 24 participants will compare AI-guided tuning against manual tuning to see which is faster and leads to better walking. The goal is to make personalized robotic legs easier and quicker to adjust.

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

Phase 1

The first testing in people. Mainly checks safety and dose, usually in a small group.

Participants

About 24 people

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

Started

Aug 2025

Expected to finish

Nov 2029

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 75 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: * Unilateral transfemoral amputees between 18-75 with K level three or higher * More than one year after amputation * Using current prosthetic socket and leg for more than three months * No major skin issues on the residual limb for more than six months * Can walk for more than 4 minutes continuously without any other assistive devices Exclusion Criteria: * Have very short residual thighs (the length of the residual limb is \<15% of the length of the unimpaired limb) * Are \<1.50m in height or \>116Kg in weight (who would not fit our prosthesis or the PowerKnee) * Have cognitive, visual, audio impairments that would affect their ability to give informed consent or to follow simple Instructions during the experiments * Have any significant co-morbidity that interferes with the study (e.g. stroke, pacemaker placement, pain, etc.).

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As listed by the trial registrant

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

Transfemoral amputation

How to take part

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  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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