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Robots lend a hand: new device aims to restore arm movement after stroke

NCT ID NCT07218276

Symptom relief Sponsor: University of Michigan 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 study tests whether simple, passive robotic devices can help people who have had a stroke regain arm and hand movement. Four participants will use the devices during reaching exercises, sometimes with electrical stimulation to activate muscles. The goal is to see if this approach is practical and helpful for rehabilitation.

What this could mean

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

Active substance
passive robotic devices (SepaRRo and NeuRRoFES) with neuromuscular stimulation
What this could lead to
If it works, this could point toward a new way to help stroke survivors improve arm function using simple, passive devices.
What could go wrong
This is a very early feasibility study with only 4 participants, so results may not apply to everyone. The devices may not provide meaningful improvement over standard therapy.

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 4 people

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

Started

Nov 2025

Expected to finish

Oct 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 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: * Age 18 to 75 years; * Ischemic or hemorrhagic stroke confirmed by CT, MRI, or clinical criteria; * No major deficits of sensation or proprioception; Exclusion Criteria: * Bilateral stroke * Unable to think clearly and remember (Mini-Mental State Exam score \< 22 and miniMOCA \< 8); * Uncontrolled Diabetes or Hypertension; * Severe limitations of joint range of motion that will lead to inability of testing * Severe spasticity and joint contractures that will lead to inability of testing * Complete paresis with no possible movements * Severe aphasia * Any other medical condition that will significantly impact the study results * Unable to obtain reliable motor evoked potentials * Are pregnant or are actively trying to conceive * Have a recent history of repeated fainting spells or syncope. * Have a recent history of seizure (epilepsy) while on anti-seizure medication * Have a recent history of skull fracture/head injury * Have metal implants in the skull * Have cardiac pacemakers

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Conditions

The condition(s) this trial relates to.

Asthenia Paresis stroke disorder

As listed by the trial registrant

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

Stroke

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

  • University of Michigan - NeuRRo Lab

    RECRUITING

    Ann Arbor, Michigan, 48108, United States

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