Improving Myoelectric Prosthetic and Orthotic Limb Control for Hemiparesis

This study is looking for people aged 18 to 70 who have experienced a stroke at least six months ago and have ongoing weakness on one side of their body (chronic hemiparesis). The goal is to improve how well advanced robotic braces (orthoses) are controlled. Researchers are comparing a standard control method (commercially available control algorithm) with a new method (experimental control algorithm) that uses more detailed muscle signals and artificial intelligence. Success will be measured by how well you can move blocks using the device, as assessed by the Box and Blocks Test. The study plans to enroll 45 participants, but its current recruitment status is unclear.

Study design
This interventional study plans to enroll 45 participants. It compares two different control algorithms for robotic braces.
What's involved
You would use the device for up to 2 hours while performing the Box and Blocks Test.
Compensation
Not stated in the trial record.
Follow-up
Not specified.

AI-generated from the public study record. Only the study team can confirm whether you're eligible — confirm details with them before making decisions.

NCT05509101

Improving Myoelectric Prosthetic and Orthotic Limb Control

Recruiting
NAAges 18–70Interventional
University of Utah
~45 participants
Updated 2026-05-06 on ClinicalTrials.gov
What's tested:commercially available control algorithmexperimental control algorithm

At a glance

Recruiting sites
1 of 1 listed site is recruiting right now
RecruitingSuspended, closed, or not yet open
What they're measuring
Box and Blocks Test (BBT)
Measured over while using the device (up to 2 hours)
Hemiparesis

NCT05509101

Where you'd take part

This study runs at 1 site. They're the same protocol — you choose where, and that choice sets who your contact draft is addressed to.

  • University of Utah

    Salt Lake City, Utahstudy coordinator listed

    Recruiting

Sites open and close at different times, so the status above is per site — it can differ from the study's overall status.

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Eligibility criteria

Inclusion

First-ever ischemic or hemorrhagic stroke
Chronic Stroke (at least 6 months since onset)
Chronic hemiparesis
Functional range of motion for contralateral arm

Exclusion

Individuals who are currently Incarcerated
  • Box and Blocks Test (BBT)while using the device (up to 2 hours)

    The Box and Blocks test is performed using the orthotic device under each condition. The individual puts on the device for a maximum of two hours. During that time wearing the device, they will use two different algorithms for controlling the device to complete the Box and Blocks Test.