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New wearable aims to retrain stroke survivors' walking using smart electrical pulses

NCT ID NCT04155866

Knowledge-focused Sponsor: Chinese University of Hong Kong Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now
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 This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 26, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This completed study tested a wearable device that delivers electrical stimulation to multiple leg muscles to help stroke survivors walk more naturally. Researchers first measured muscle activity in 30 healthy adults to understand normal walking patterns. The next step will be to use this information to guide stimulation in chronic stroke survivors during 18 training sessions over about one month. The goal is to restore the missing muscle coordination that stroke often damages.

What this could mean

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

Active substance
Functional Electrical Stimulation (FES) wearable device
What this could lead to
If successful, this approach could lead to a new, personalized rehabilitation tool that helps stroke survivors regain a more natural walking pattern.
What could go wrong
This is an early-stage study with only 30 healthy participants to define normal muscle patterns. The actual effect on stroke survivors has not yet been tested, so it is unclear if the device will improve walking in real-world settings.

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.

Participants

30 people

The number who actually took part.

Started

Jul 2021

Finished

Dec 2025

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.

Who is studied

Age-matched healthy control subjects will be recruited through advertisements. Chronic Stroke Survivors will be recruited from the local community such as clinic.

Ages

40 to 85 years

Sex

Anyone

Healthy volunteers

Accepted

You do not need to have the condition being studied to take part.

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 chronic stroke survivors: 1. Right-handed elderly chronic stroke survivors; age ≥40; ≥6 months post-stroke 2. Unilateral ischemic brain lesions 3. Participants should be able to walk continuously for ≥15 min. with or without assistive aid For healthy participants: 1. Healthy, right-handed subjects, age ≥40, free from any history of major neurological, musculoskeletal, and psychiatric disorders 2. Able to walk continuously for ≥20 min. without fatigue. Exclusion Criteria: For both healthy participants and chronic stroke survivors: 1. Cannot comprehend and follow instructions, or with a score \<21 on the mini-mental state exam; 2. Have cardiac pacemaker; 3. Have skin lesions at the locations where FES or EMG electrodes may be attached; 4. Have major depression; 5. Present with severe neglect

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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.

Healthy

Contacts and locations

Locations

  • The Hong Kong Polytechnic University

    Hong Kong, Hong Kong, 852, Hong Kong

More trials for these conditions

Other studies related to the condition(s) this trial covers.