Feasibility of the Overground Bodyweight Supporting Walking System Andago

NCT ID: NCT03787199

Last Updated: 2019-04-18

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

NA

Total Enrollment

20 participants

Study Classification

INTERVENTIONAL

Study Start Date

2018-05-28

Study Completion Date

2019-03-21

Brief Summary

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The overall aim of this project is to investigate the clinical utility of the Andago System, a CE certified mobile bodyweight supporting walking robot, in children with neuromotor disorders. Clinical utility encompasses practicability, acceptability, appropriateness, and accessibility. In this study, the investigators would like to investigate several aspects of clinical utility that belong to the first three components.

Detailed Description

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The specific aims of the current project are:

1. To investigate the practicability, the investigators plan to determine the accuracy of the weight-supporting system of the Andago and the time needed for donning and doffing. The investigators also evaluate the number of times that the device stops and the nature of these stops (due to errors, sitting of the patient, when preventing falls, or when the patient moves too fast).
2. To evaluate acceptability, the investigators plan to evaluate differences in motivation and measures reflecting safety (i.e. number of falls prevented) and subjective feeling of safety when patients walk with the Andago compared to walking with their usual walking aids.
3. To evaluate the appropriateness, the investigators are interested in differences between walking on a treadmill and walking overground with this device or changes that occur during walking overground when changing the level of BWS through the unloading system. Therapists should be aware of these differences to know what the advantage of such a system could be or how adjustments in settings influence the walking pattern. The investigators plan two investigations: (a) To determine differences in stride-to-stride variability, leg muscle activation, hip, knee and ankle joint kinematics and other gait parameters during walking in the Andago (overground) versus walking on a treadmill. (b) To determine differences in the same parameters when walking in the Andago with different levels of BWS. These levels are the minimal required level of BWS to walk without buckling the knees (ref BWS), ref BWS plus 15% and ref BWS plus 30%.

To investigate these aims, the patients will be asked to participate in 3 appointments, which should be scheduled within 10 days.

Conditions

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Gait Disorders, Neurologic Cerebral Palsy Stroke Traumatic Brain Injury Child, Only Gait Disorders in Children

Study Design

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Allocation Method

NON_RANDOMIZED

Intervention Model

SINGLE_GROUP

Feasibility study, including a comparison between Andago and treadmill walking conditions (as we include a heterogeneous group of participants concerning age (children/adolescents), diagnosis, walking ability, etc., we include in this feasibility study 20 participants - rather than the usual 10).

Patients participate in 3 appointments (planned within 10 days):

Appointment 1 (60 min): patient characteristics, clinical tests (Selective Control Assessment of the Lower Extremity / Manual Muscle Testing / 10 meter walk test or 10MWT); practising on treadmill and in Andago; questions to participants

Appointment 2 (45 min): determine accuracy of the unloading system; practicing on treadmill and in Andago; questions to participant

Appointment 3 (60-90 min): 10MWT at onset and end; measurement of stride length, leg muscle EMG and joint kinematics during walking on treadmill with bodyweight unloading and walking overground with Andago with 3 levels of bodyweight unloading
Primary Study Purpose

DEVICE_FEASIBILITY

Blinding Strategy

NONE

Study Groups

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Andago

Application of walking over-ground with body-weight support in the Andago

Group Type EXPERIMENTAL

Andago

Intervention Type DEVICE

The Andago is a body-weight supporting device with which a patient can walk overground

Treadmill

Application of walking on a treadmill with body-weight support

Group Type ACTIVE_COMPARATOR

Treadmill

Intervention Type OTHER

Bodyweight supported treadmill walking

Interventions

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Andago

The Andago is a body-weight supporting device with which a patient can walk overground

Intervention Type DEVICE

Treadmill

Bodyweight supported treadmill walking

Intervention Type OTHER

Eligibility Criteria

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Inclusion Criteria

* Neuromotor or orthopaedic disorders
* taller than 135 cm
* able to understand simple instructions
* able to walk 10 meters with or without walking aid
* maximal age of 18 years (a minimal age is not defined as according to the growth curve, children younger than 7-8 years cannot be included because of insufficient height)
* given informed consent.

Exclusion Criteria

* not consolidated fractures or bone fragility of the lower extremities
* skin lesions in the harness' area which cannot be protected
* unstable hip, knee and/or ankle Joints
* reduced head control or inability to maintain an upright Position
* inability to communicate discomfort or pain
* surgery in the last 3 months
* newly implanted baclofen-pump (or children highly sensitive to it)
* implanted pacemakers
* passive knee extension deficit \> 30°
* self-selected walking speed \> 3.2 km/h.
* weight \> 135 kg
* height \> 2 m.
Maximum Eligible Age

18 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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Lions Club Zürich-Witikon

UNKNOWN

Sponsor Role collaborator

Mäxi Foundation

UNKNOWN

Sponsor Role collaborator

University Children's Hospital, Zurich

OTHER

Sponsor Role lead

Responsible Party

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Responsibility Role SPONSOR

Locations

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Rehabilitation Center of the University Children's Hospital

Affoltern am Albis, Canton of Zurich, Switzerland

Site Status

Countries

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Switzerland

References

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van Hedel HJA, Rosselli I, Baumgartner-Ricklin S. Clinical utility of the over-ground bodyweight-supporting walking system Andago in children and youths with gait impairments. J Neuroeng Rehabil. 2021 Feb 8;18(1):29. doi: 10.1186/s12984-021-00827-1.

Reference Type DERIVED
PMID: 33557834 (View on PubMed)

Other Identifiers

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2018-00412

Identifier Type: -

Identifier Source: org_study_id

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