- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT04149769
Mobility and Therapeutic Benefits Resulting From Exoskeleton Use in a Home and Community Setting (SC140121 Study 3)
November 5, 2020 updated by: Michael Goldfarb, Vanderbilt University
The proposed study is a pilot study intended to inform the hypothesis that regular walking in an exoskeleton within the home and community might offer health benefit, neurological recovery, and/or mobility benefit to the user.
This exploratory pilot study is also intended to assess the level of compliance (i.e., exoskeleton use) among study participants by characterizing extent the device is used beyond the minimum required.
Study Overview
Detailed Description
Study 3 Outline Study 3 enrollment will be limited to 1 or 2 subjects at each site.
Each subject will take home an exoskeleton for the 8-week duration of the treatment period.
The subjects will be selected from the pool of poorly-ambulatory subjects previously enrolled in Studies 1 and/or 2, and as such will have prior experience walking in the exoskeleton.
Note that study 3 will emply the exoskeleton as per existing FDA approval (510(k) number K171334); specifically, "to enable individuals with spinal cord injury at levels T3 to L5 to perform ambulatory functions [in the home and community] with supervision of a specially trained companion in accordance with the user assessment and training certification program."
Use of the exoskeleton in the home and community (i.e., outside a clinical setting) is referred to as "personal use."
So that this study complies with FDA approval for personal use, subjects selected for enrollment in Study 3, along with each subject's designated support person, will be trained and certified for personal use in accordance with the manufacturer's FDA-approved personal use training program.
Study Type
Interventional
Phase
- Not Applicable
Contacts and Locations
This section provides the contact details for those conducting the study, and information on where this study is being conducted.
Study Locations
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Florida
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Tampa, Florida, United States, 33637
- Tampa VA
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Minnesota
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Rochester, Minnesota, United States, 55905
- Minnesota Mayo Clinic
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Tennessee
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Nashville, Tennessee, United States, 37212
- Vanderbilt University Medical Center
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Participation Criteria
Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.
Eligibility Criteria
Ages Eligible for Study
18 years and older (ADULT, OLDER_ADULT)
Accepts Healthy Volunteers
No
Genders Eligible for Study
All
Description
Inclusion Criteria:
- Age 18 years or older.
- Size and limb proportions capable of fitting in the exoskeletal device :
- Height between 1.55 m (5 ft, 1 in) and 1.92 m (6 ft, 3 in).
- Femur length between 37.5 cm (15 in) and 43.125 cm (17.25 in).
- Body mass no greater than 114 kg (250 lb).
- "Poorly ambulatory" individual, defined as a person with FIM Gait 2- 6, who may be able to walk short distances with or without braces or stability aid, or may be able to walk with assistance of one person, but whose primary means of mobility is a manual or power-operated wheelchair.
- Sufficient upper extremity strength and coordination to balance using appropriate stability aids, such as a rolling walker or forearm crutches, during exoskeleton walking.
- Neurological injury level (NLI) T3 to L5 (between and inclusive).
- Chronic SCI: at least 6 months post-injury, and preferably post-injury more than 1 year.
- Sufficient bone health for walking with full weight-bearing without undue risk of fracture, as determined by each subject's personal medical doctor, and approved by each site's medical supervisor.
- Passive range of motion (PROM) at shoulders, trunk, upper extremities and lower extremities within functional limits for safe gait and use of appropriate assistive device/stability aid.
- Skin intact where interfacing with robotic device.
- MAS for spasticity score 3 or less in lower extremities.
- Resting blood pressure and heart rate within established guidelines for locomotor training, specifically systolic 150 mmHg or less, diastolic 90 mmHg or less, heart rate 105 bpm or less.
- Ability to tolerate an upright standing position for 20 min, passive or active, without being lightheaded or having a headache.
- Availability and willingness of support person to be trained in accordance with the FDA training protocol for personal use of the exoskeleton, and who will assume responsibility for the support person role, which specifically includes providing ambulatory support during all exoskeletal walking.
- Access to a wireless internet connection (for use of exoskeleton iPod device).
- Willingness and ability to electronically send walking session reports from exoskeleton iPod to appointed site monitor following each walking session.
Exclusion Criteria:
- Heterotopic ossification that, in the opinion of the site medical supervisor, would place the subject at undue risk for fracture.
- Inability to follow instructions.
- Colostomy bag.
- Women who are pregnant or attempting to become pregnant during the course of the study. Note that a pregnancy test will be required and must be negative for all women prior to enrolling in the study, and will be additionally required and must be negative every four weeks during the course of the study protocol.
- Any disease, concomitant injury, or condition that interferes with the performance or interpretation of the protocol- specified assessments.
- Insufficient availability to complete study.
- Any other issue which, in the opinion of the investigators or medical supervisor, make the subject unsuitable for study participation.
Study Plan
This section provides details of the study plan, including how the study is designed and what the study is measuring.
How is the study designed?
Design Details
- Primary Purpose: HEALTH_SERVICES_RESEARCH
- Allocation: NA
- Interventional Model: SINGLE_GROUP
- Masking: NONE
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
OTHER: Interventional
Walking in an exoskeleton within the home and community.
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Regular dosing of Indego Exoskeleton walking.
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What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Ten meter walk test (10MWT)
Time Frame: 18 weeks
|
Measure of mobility (specifically gait speed) while wearing exoskeleton.
Scale 1 to 7 (1=total assistance and 7=independent)
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18 weeks
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Six minute walk test (6MWT)
Time Frame: 18 weeks
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Measure of gait speed over six minutes while wearing exoskeleton.
Scale 1 to 7 (1=total assistance and 7=independent)
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18 weeks
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Walking Index for Spinal Cord Injury II (WISCI-II)
Time Frame: 18 weeks
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Assessment of physical assistance required during walking while wearing exoskeleton.
Scale 0 to 20 (0= unable to participate and 20 Ambulates with no devices, no braces and no physical assistance.
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18 weeks
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Functional Independence Measures (FIM) gait score
Time Frame: 18 weeks
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Assessment of physical assistance required during walking while wearing exoskeleton.
Scale 0 to 7 (0= activity does not occur and 7= complete independence
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18 weeks
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Timed Up and Go Test (TUG)
Time Frame: 18 weeks
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Measure of ability to stand, walk, turn, and sit while wearing exoskeleton.
≤ to 10 seconds to > 30 seconds (≤ 10 seconds=normal to > 30 predictive of requiring assistive device for ambulation and being dependent in ADLs
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18 weeks
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Borg Rating Scale of Perceived Exertion (RPE)
Time Frame: 18 weeks
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Measure of exertion required while using exoskeleton.
Scale 6 to 20 (6= no exertion and 20 = maximal exertion
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18 weeks
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Modified Ashworth Score (MAS)
Time Frame: 18 weeks
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Measure of bone mineral density.
Scale 0 to 4 (0=No increase in muscle tone and 4=Affected part(s) rigid in flexion or extension)
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18 weeks
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Bone Mineral Density
Time Frame: 18 weeks
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Measure of bone mineral density.
Score -1 and above to -2.5 and below (-1.0 to +0.5= normal and -2.5 and below=osteoporosis)
|
18 weeks
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Functional Reach
Time Frame: 18 weeks
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Measure of core strength.
0 to 3 (0= unable to reach 3=Reach > or = to 10 inches)
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18 weeks
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Manual Muscle Test (MMT)
Time Frame: 18 weeks
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Measure of muscle strength Scale 0 to 5 (0= No visible or palpable contraction and 5=Full ROM against gravity, maximul resistance
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18 weeks
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Ten Meter Walk Test without exoskeleton (10MWT)
Time Frame: 18 weeks
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Measure of walking speed without exoskeleton.
Measure of mobility (specifically gait speed) while wearing exoskeleton.
Scale 1 to 7 (1=total assistance and 7=independent)
|
18 weeks
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Functional Independence Measures (FIM) gait score without exoskeleton
Time Frame: 18 weeks
|
Measure of assistance required for walking without exoskeleton Scale 0 to 7 (0= activity does not occur and 7= complete independence
|
18 weeks
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Walking Index for Spinal Cord Injury II (WISCI-II) score without exoskeleton
Time Frame: 18 weeks
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Measure of assistance required for walking without exoskeleton.
Scale 0 to 20 (0= unable to participate and 20 Ambulates with no devices, no braces and no physical assistance.
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18 weeks
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Other Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Spinal Cord Injury Spasticity Evaluation Tool (SCI-SET)
Time Frame: 18 weeks
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Survey of severity of spasticity.
Score -3 to +3 ( -3 (extremely problematic) to +3 (extremely helpful).
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18 weeks
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Self-Report Survey
Time Frame: 18 weeks
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Survey of pain, spasticity, bowel and bladder function, and quality of life.
Pain 0 to 5 (0=no pain and 5 =severe pain.
Overall level of pain -3 to 3 (-3 =decreased and 3 =increased) Spasticity 0 to 5 (0= No spasticity and 5 Severe spasticity) Overall level of spasticity -3 to 3 (-3 =decreased and 3 =increased) Changes in bowel habits -3 to 3 (-3 worse and 3=better) Changes in bladder habits -3 to 3 (-3 worse and 3=better) Changes in mood -3 to 3 (-3 worse and 3=better)
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18 weeks
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American Spinal Injury Association (ASIA) Impairment Scale
Time Frame: 18 weeks
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Measure of neurological injury level and classification.
Scale A to E (A= complete and E= normal)
|
18 weeks
|
Collaborators and Investigators
This is where you will find people and organizations involved with this study.
Sponsor
Investigators
- Principal Investigator: Michael Goldfarb, PhD, Vanderbilt University
Study record dates
These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.
Study Major Dates
Study Start (ANTICIPATED)
May 1, 2020
Primary Completion (ANTICIPATED)
June 30, 2020
Study Completion (ANTICIPATED)
December 31, 2020
Study Registration Dates
First Submitted
October 8, 2019
First Submitted That Met QC Criteria
October 31, 2019
First Posted (ACTUAL)
November 4, 2019
Study Record Updates
Last Update Posted (ACTUAL)
November 9, 2020
Last Update Submitted That Met QC Criteria
November 5, 2020
Last Verified
November 1, 2020
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- SC140121 Study 3
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
No
Studies a U.S. FDA-regulated device product
Yes
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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