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Smart robotic sleeve reads muscle signals to restore arm movement after stroke

NCT ID NCT03752775

Disease control Sponsor: The Hong Kong Polytechnic 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Jun 27, 2026

Summary

This trial tests a new clothing-like robotic arm that detects muscle signals to help people who have had a stroke move their arm and hand. The device supports coordinated movements of the shoulder, elbow, wrist, and fingers during 20 one-hour training sessions. The study includes both people who had a stroke recently (subacute) and those who had one more than six months ago (chronic). The goal is to see if this approach improves arm function and reduces stiffness.

What this could mean

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

Active substance
clothing-like robotic arm (exoneuromusculoskeleton)
What this could lead to
If it works, this could offer a new way to help stroke survivors regain arm and hand function, potentially improving daily life.
What could go wrong
This is a small early-stage trial with 45 participants, so results may not apply to all stroke survivors. The device may not work for everyone or could be uncomfortable.

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 45 people

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

Started

Nov 2018

Expected to finish

Dec 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: For the subacute groups: * Two weeks after the onset of stroke, however less than 0.5 year * Mini-Mental State Examination (MMSE)\>21 * Able to sit up for at least 1 hour * Fugl-Meyer Assessment (FMA) upper limb \<30 * Modified Ashworth Score (MAS) at the elbow, wrist and fingers \<3 * Detectable EMG on the target driving muscles (i.e., 3 times of the standard deviation above the baseline) For the chronic device assisted group: * At least 0.5 year after the onset of stroke * Mini-Mental State Examination (MMSE)\>21 * Able to sit up for at least 1 hour * Fugl-Meyer Assessment (FMA) upper limb \<30 * Modified Ashworth Score (MAS) at the elbow, wrist and fingers \<3 * Detectable EMG on the target driving muscles (i.e., 3 times of the standard deviation above the baseline) Exclusion Criteria: Subjects will be excluded if they do not meet the above inclusion criteria, or had the following conditions: * Currently pregnant * Dysphasia (language deficiency) * Post-stroke neglect * Pacemaker implantation, * Involved in drug studies, other clinical trials, or concurrent medication/occupational/physical treatments on the upper limb * The overall medical condition not suitable for the training (e.g., severe cardiac problem, unstable blood pressure, etc.).

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Conditions

The condition(s) this trial relates to.

stroke disorder

As listed by the trial registrant

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

Upper limb rehabilitation

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

  • The Hong Kong Polytechnic University

    RECRUITING

    Hong Kong, China

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