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Robot and electrical zaps at home could boost stroke recovery

NCT ID NCT04550728

Disease control Sponsor: University of Maryland, Baltimore 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 is testing whether a home-based ankle robot, with or without functional electrical stimulation (FES), can improve leg movement and walking in people who have had a stroke. The trial will include 60 participants who are at least 6 months post-stroke and can walk a short distance with help. The goal is to see if this combination of technologies can be used effectively at home to aid recovery.

What this could mean

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

Active substance
ankle robot training and functional electrical stimulation (FES)
What this could lead to
If successful, this could provide an effective home-based rehabilitation option to improve leg function and walking ability in chronic stroke survivors.
What could go wrong
This is an early-phase trial with only 60 participants, so results may not apply to all stroke survivors. The home-based setting may also affect consistency of training.

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 1/2

Runs two stages together: safety and dose first, then whether the treatment works.

Participants

About 60 people

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

Started

Aug 2021

Expected to finish

Dec 2026

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 85 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 18-85; * Able to ambulate at least 10 meters without human assistance, with or without an assistive device * ≥ 6 months post stroke; * having a caregiver to assist in training at home. Exclusion Criteria: * having expressive and receptive aphasia; * an inability to follow multi-step commands; * enrolled in another lower limb rehabilitation program; * having severe pain in the paralyzed lower-limb; * \>30º ankle plantar flexion contracture; * Having implanted electronic device such as a pacemaker, spinal cord, or deep brain stimulator because FES may potentially interfere with their functions.

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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.

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 Maryland School of Medicine

    RECRUITING

    Baltimore, Maryland, 21201, United States

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