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Breathe to move: new device aims to unclench Stroke-Stiffened hands

NCT ID NCT04750564

Symptom relief Sponsor: The University of Texas Health Science Center, Houston 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This early study tests a device called BreEStim, which uses breathing to control mild electrical stimulation, to see if it can reduce finger stiffness and improve hand function in people who had a stroke at least 6 months ago. Only 4 participants will receive a single 10-20 minute session. The goal is to see if this approach is worth studying further for severe hand impairment.

What this could mean

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

Active substance
Breathing-controlled electrical stimulation (BreEStim) device
What this could lead to
If it works, this could point toward a non-drug way to ease hand stiffness and improve hand use after a stroke.
What could go wrong
This is a very early, tiny study with only 4 participants and a single session of treatment. Results may not apply to others, and the effect may be small or temporary.

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

Sep 2025

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 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: * has post stroke ≥ 6 months , medically stable; * Unilateral, single stroke (no restriction on type (ischemic or hemorrhagic) or volume (large or small) of stroke); * MAS score ≥ 1, i.e., detectable finger flexor hypertonia; Exclusion criteria include: * Patients with visual deficit/neglect; hearing or cognitive impairment; * Patients with history of pulmonary disease (Asthma, chronic obstruction pulmonary disease, COPD); * Patients that are currently adjusting tone alternating medications (e.g., baclofen), or * Patients received botulinum toxin injection to the arm/fingers \<4 months, or phenol injections \< 2 years; * Patients with a pacemaker; * Women who are pregnant.

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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.

Motor recovery

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 University of Texas Health Science Center

    RECRUITING

    Houston, Texas, 77030, United States

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