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Robot arm trainer shows promise for kids with nerve conditions

NCT ID NCT02443857

Knowledge-focused Sponsor: Huub van Hedel 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 study tested a new robot called ChARMin designed to help children with arm weakness due to nervous system diseases. 63 children aged 5 to 21 used the robot to play games that encouraged arm movement. The goal was to see if the robot was safe, easy to use, and could measure progress. This was a feasibility study, not a treatment trial.

What this could mean

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

Active substance
ChARMin robot (a device for arm rehabilitation)
What this could lead to
If successful, this robot could become a new tool to help children with arm weakness improve their movement through engaging games.
What could go wrong
This was a small, early feasibility study, not a large trial. The robot may not work for all children, and technical issues could arise.

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

63 people

The number who actually took part.

Started

Jun 2015

Finished

May 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.

Ages

5 to 21 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: * Age between 5 and 21 years * Neurological diagnoses * Impairment of the upper extremity (for projects (i) and (ii) we might also include patients without upper extremity impairments to cover a wide range of patients with different abilities) * Other (non-neurological) diagnoses, who require intense training of the upper extremity Exclusion Criteria: * Strong adipositas, which makes it not possible to adjust the cuffs and orthoses to the anthropometrics of the participant * Fixed contractures of the upper extremity that should be positioned in ChARMin * Instabilities of bones or joints, fractures or osteoporosis/osteopenia * Allergy against material of cuffs * Open skin lesions of the upper extremity that should be positioned in ChARMin * Luxations or subluxations of joints of the upper extremity that should be positioned in ChARMin * Strong pain that increases while training in ChARMin\* * Injuries or lesioned nerves of the upper extremity that should be positioned in ChARMin\* * Strong spontaneous movements like ataxia, dyskinesia, myoclonus\* * Instable vital functions like pulmonal or cardiovascular conditions * Implanted pace maker, defibrillator of the heart * Implanted shunt by hydrocephalus\* * Implanted cochlear or baha\* * Uncooperative or aggressive behaviour * Known or suspected non-compliance * Severe cognitive deficits * Inability to signal pain or discomfort * Apraxia\* * Severe visual impairment (inability to see the screen) * Severe spasticity (Ashworth 4) * Severe epilepsy\* * Insufficient head stability * Infections requiring isolation of the patient Contraindications marked with an \* are relative contraindications. Final approval needs to be obtained from the medical doctor.

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Conditions

The condition(s) this trial relates to.

nervous system disorder

As listed by the trial registrant

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

Nervous system diseases

Contacts and locations

Locations

  • Rehabilitation Center for Children and Adolescents of the University Children's Hospital Zurich

    Affoltern am Albis, 8910, Switzerland

More trials for these conditions

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