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CompletedNCT06167954Updated Sep 27, 2024

Safety and Usability of a Robotic Gait Device for Children and Adolescents With Neurological or Neuromuscular Disease in Their Natural Environment

An interventional study of EXPLORER in Cerebral Palsy, Acquired Brain Injury and Spinal Muscular Atrophy, sponsored by MarsiBionics. Completed at 5 sites in Spain. Open to participants aged 2 Years to 17 Years. Per ClinicalTrials.gov, last updated 2024-09-27.

Sponsored by MarsiBionics · Not applicable, Interventional, and Treatment

Phase
Not applicable
Study type
Interventional
Enrollment
50
Allocation
Not applicable
Ages
2 Years to 17 Years
Sex
All
01

Study summary

The goal of this clinical trial is to analyze the usability and safety of the robotic gait device EXPLORER in children with cerebral palsy, acquired brain injury and spinal muscular atrophy.

Participants will use the exoskeletons in their home and the community and variables regarding safety and usability will be measured and recorded.

Read the detailed description

Neurological and neuromuscular diseases are the main cause of motor disability in children, leading to the inability to stand and walk in many cases. Robotic devices are a useful tool in the rehabilitation of these children, but most of them are designed to be used in the clinical setting. EXPLORER is a robotic device designed to assist gait in children with motor disability in their homes and the community. The aim of this study is to analyze the safety and usability of the EXPLORER in children with cerebral palsy, acquired brain injury and spinal muscular atrophy.

A test phase will be conducted in order to make some final modifications and improve the device. Some participants of the sample will use the device in 1-3 occasions in a controlled environment.

After these modifications, participants will use the final version of the device in 8 different occasions in their homes and the community in order to prove its safety and usability.

02

Conditions studied

  • Cerebral Palsy
  • Acquired Brain Injury
  • Spinal Muscular Atrophy

Keywords

  • cerebral palsy
  • acquired brain injury
  • spinal muscular atrophy
  • robotics
  • gait
  • rehabilitation
03

In context

Cerebral Palsy

1,891 studies on the registry are indexed under Cerebral Palsy; 439 are open to participants now.

This study's enrollment of 50 is above the median of 34 across 1,396 interventional studies indexed under Cerebral Palsy.

Browse Cerebral Palsy studies →

Lead sponsor

MarsiBionics is the lead sponsor of 14 studies on the registry; 3 are open to participants now.

Counted across the registry records on this site, refreshed daily.

04

Who can participate

Ages eligible
2 Years to 17 Years
Sexes eligible
All
Accepts healthy volunteers
No

Go through the criteria one by one — yes, no or not sure — and take the list to your doctor or the study team. Kept in this browser only.

Inclusion criteria

  • Diagnosis of cerebral palsy, acquired brain injury or spinal muscular atrophy
  • Medical authorization for standing, gait training and weight bearing.
  • Informed consent signed by legal guardians.
  • Maximum user weight of 60 kg.
  • Hip width (between greater trochanters) ≤40 cm.
  • Length of the thigh (distance from the greater trochanter to the lateral condyle of the tibia) from 21cm to 36cm.
  • Tibia leg length (distance from the lateral condyle of the tibia to the lateral malleolus) from 20cm to 35cm.
  • Shoe size ≤40 (EU)

Exclusion criteria

Exclusion Criteria:

  • Medical contraindications for standing or walking.
  • Non-reducible contractures or heterotropic ossifications above the degrees allowed by the device or out of the trajectory imposed by the device
  • Spasticity equal to 4 on the Modified Ashworth Scale at the time of use of the device.
  • More than 20º of hip and/or knee non-reducible contractures at the time of using the exoskeleton.
  • Necessity to walk with more than 5º of hip abduction.
  • Impossibility to reach 5º of ankle dorsiflexion with ir without orthoses.
  • Lower length dysmetria that cannot be mitigated with a wedge under the foot.
  • Skin lesion on parts of the lower extremities that are in contact with the device.
  • History of fracture without trauma.
  • Presence of other conditions causing exercise intolerance (such as uncontrolled hypertension, coronary artery disease, arrhythmia, congestive heart failure, severe pulmonary disease).
  • Conductual disorders that may interfere with the use of the device or their participation in the study, like impulsiveness.
  • Allergy to any of the EXPLORER materials: cotton, nylon, polyester, PPS, PEEK or ABS.
05

Study design

Phase
Not applicable
Primary purpose
Treatment
Allocation
Not applicable
Intervention model
Single group
Masking
None (open label)
Enrollment
50 participants (actual)

Study arms

  • Experimental
    EXPLORER

    8 sessions with the robotics gait device in their homes and natural environment for all participants

    Device: EXPLORER

Interventions

  • DeviceEXPLORER

    8 sessions of use of the device in the home and the community of the participants

06

What researchers measure

Primary outcomes

  1. Serious Adverse Events

    occurrence of any serious adverse event to the participant or the caregiver

    Time frame: through study completion, along 8 weeks

  2. Falls prevalence

    Number of falling events occurred from the participant or caregiver

    Time frame: through study completion, along 8 weeks

  3. Skin integrity

    Occurrence of any injury of the skin in the areas of contact and produced by the use of the device

    Time frame: through study completion, along 8 weeks

  4. Pain (Visual Analogic Scale)

    pain measured by the Visual Analogic Scale (VAS) by the participant and the caregiver, scored from 0 to 10, being 0 "no pain" and 10 "unbearable pain"

    Time frame: through study completion, along 8 weeks

  5. Spasticity

    spasticity measured by the Modified Ashworth Scale (MAS), scored from 0 (no spasticity) to 4 (affected part in rigid flexion or extension)

    Time frame: through study completion, along 8 weeks

  6. Heart rate

    measurement of heart rate

    Time frame: through study completion, along 8 weeks

  7. Oxygen saturation

    measurement of Oxygen saturation when medical prescription

    Time frame: through study completion, along 8 weeks

  8. Donning and doffing time

    Time to don and doff the device to each participant

    Time frame: through study completion, along 8 weeks

  9. Number of steps

    Number of steps taken provided by the device

    Time frame: through study completion, along 8 weeks

  10. Walking time

    Walking time provided by the device

    Time frame: through study completion, along 8 weeks

  11. Interventions of the investigators

    The number of times that the investigators have to intervene in the session in order to avoid damage when the device is being used by the caregiver

    Time frame: through study completion, along 8 weeks

  12. Participant satisfaction

    Satisfaction of the participant (caregiver) with the device measured by the Quebec User Evaluation of Satisfaction with Assistive Technology 2.0. (QUEST 2.0), scored with a Likert type scale from 0 to 5, being 0 the lowest satisfaction and 5 the highest possible satisfaction with the device

    Time frame: at the end of the intervention, 8th week

  13. Blood pressure

    measurement of blood pressure

    Time frame: through study completion, along 8 weeks

Secondary outcomes

  1. Acceptability

    Analysis of the drop-out rate during the study period

    Time frame: at the end of the intervention, 8th week

  2. Accessibility of the participant

    Rate of the participants suitable to use the device

    Time frame: through study completion, along 8 weeks

  3. Accessibility of the house

    Rate of the houses suitable to use the device

    Time frame: through study completion, along 8 weeks

  4. Accessibility of the exterior spaces

    Rate of the exterior spaces that are suitable to use the device

    Time frame: through study completion, along 8 weeks

07

Study locations

5 sites
  • Hospital Universitario Gregorio Marañón
    Madrid, 28007, Spain
  • Hospital Infantil Universitario Niño Jesús-Servicio de Rehabilitación
    Madrid, 28009, Spain
  • Hospital Universitario Niño Jesús-Servicio de Neuro Ortopedia
    Madrid, 28009, Spain
  • Hospital Universitario 12 de Octubre
    Madrid, 28041, Spain
  • Hospital Universitario La Paz
    Madrid, 28046, Spain
08

Timeline

Tracking since Sep 25, 2026
ElapsedEstimatedEstimated, not yet reachedSimilar studies: half by the dot; the band is the middle halfHalf of similar studies reached it by the dot; the band is the middle half, from a quarter to three quarters

Ran from Dec 2023 to primary completion in Aug 2024, 8 months.

Of 900 interventional studies with no phase under Cerebral Palsy, half reached primary completion within 12 months of starting (the median), counting those still running; a quarter within 5 and three quarters within 31. This study's 8 months is below that.

How these figures are worked out, and which studies are left out of them.

Registered
Dec 4, 2023
First posted
Dec 13, 2023
StartActual
Dec 4, 2023
Primary completionActual
Aug 17, 2024
CompletionActual
Aug 17, 2024
Last update
Sep 27, 2024
What these dates mean
Start.
When the first participant enrolled; while estimated, when the study expects to open to recruitment.
Primary completion.
When the last participant was examined or treated to collect data for the study's main question, its primary outcome. A study that stopped early gives the date its data collection stopped.
Completion.
When the last participant's last visit took place, for every outcome, secondary ones and side effects included: the end of the study. Often later than primary completion, sometimes the same day.
Actual and Est.
Actual means the registry says the date has happened. Est. (estimated) is a date the sponsor plans or expects. It can still move, and the sponsor is expected to change it to actual once it has passed.
No changes since tracking began. The registry record was last updated on Sep 27, 2024, before this site started recording changes on Sep 25, 2026. Its history is on ClinicalTrials.gov ↗
09

Registry details

Key details

Study ID
NCT06167954
Lead sponsor
MarsiBionics
Collaborators
Hospital Infantil Universitario Niño Jesús, Madrid, Spain, Hospital Universitario La Paz, Hospital Universitario 12 de Octubre, Hospital General Universitario Gregorio Marañon
Responsible party
Sponsor
First posted
Dec 13, 2023
Start date
Dec 4, 2023
Primary completion
Aug 17, 2024
Completion
Aug 17, 2024
Last update
Sep 27, 2024

Oversight

Data monitoring committee
Yes
FDA-regulated drug
No
FDA-regulated device
No
View the source record on ClinicalTrials.gov ↗

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