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Robotic sock could prevent ankle stiffness and blood clots after stroke

NCT ID NCT05491109

Disease control Sponsor: National University Hospital, Singapore 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 27, 2026 · Last updated Jun 27, 2026

Summary

This study tested a soft robotic sock called VACOM in 19 stroke patients who had trouble moving their ankle. The sock gently moves the ankle to prevent stiffness and improve blood flow, aiming to reduce the risk of blood clots and contractures. The trial is complete, but results are still being analyzed.

What this could mean

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

Active substance
Soft robotic sock (VACOM device)
What this could lead to
If it works, this could offer a new way to help stroke patients regain ankle movement and reduce the risk of blood clots without extra medication.
What could go wrong
This was a very small study (19 people) with no phase, so results are preliminary. The device may not work for everyone, and more research is needed.

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

19 people

The number who actually took part.

Started

Sep 2022

Finished

Oct 2023

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

21 to 99 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: * Acute ischemic or haemorrhagic stroke. * Affected Ankle Dorsi-Flexor MMT \< 3. * Modified Ashworth Scale (MAS) = 1+ (Ankle Dorsi-Flexor/Plantar Flexor). * Not able to ambulate without assistance except during therapy time. Exclusion Criteria: * Medically unstable. * Known pulmonary embolism (PE) or deep vein thrombosis (DVT). * Pre-existing lower limb deformity, amputation, and foot drop. * Open wound or ulcer, poor skin condition over the lower limb. * On anti-coagulation (treatment dose).

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Conditions

The condition(s) this trial relates to.

hemorrhagic stroke ischemic stroke stroke disorder venous thromboembolism Venous Thrombosis

As listed by the trial registrant

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

Ankle contracture DVT Stroke

Contacts and locations

Locations

  • Pui Kit Tam

    Singapore, 119074, Singapore

More trials for these conditions

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