- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT05057377
Estimating Highest Capacity Performance During Evaluation of Walking for Individuals With Traumatic Brain Injury
Traumatic brain injury (TBI) due to trauma and/or neurologic disease is a leading cause of long-term disability in the United States. The loss of balance for people with a traumatic brain injury can have a large effect on their walking abilities and this can come with a number of challenges. There is a greater risk of falling after being discharged from the hospital. In addition, people are more likely to become sedentary after TBI, which leads to the loss of muscle strength.
To help provide the best care, clinicians need accurate measurements when people begin their therapy, as well as throughout to ensure they are making appropriate progress. The tests currently used by clinicians may not provide the most accurate measurements that show what a person is capable of physically doing. The study you are being asked to participate in aims to provide more accurate measurements by using a robotic treadmill device and by assessing motivating factors that are important to you. The treadmill device will allow us to more accurately test your walking ability in a safe, fall-free environment.
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
Traumatic brain injury due to trauma and/or neurologic disease is a leading cause of long-term disability in the United States. Balance impairments observed within the post-TBI population can greatly impact walking abilities and pose a variety of challenges. Following hospital discharge, there is a greater fall risk as well as a decrease in physical activity and increase in sedentary behaviors that lead to deconditioning.
It is difficult to determine the extent of what a person is capable of doing using current overground assessment methods, which are the current standard means of physical capability measurements (i.e. 6-minute walk test, 5 times sit-to-stand, 10-meter walk test). Improvement of walking and balance outcomes in this population requires the re-evaluation of current approaches and the testing/implementation of new approaches. This will allow more appropriate assessment of baseline walking abilities in order to apply the appropriate amount of challenge during rehabilitation training. This study will involve the use of a robotic treadmill device in order to determine maximum walking capacities of participants and compare these capacities to standard overground assessments. It has been shown that walking speeds overground are correlated with walking speeds on a robotic device (and even specifically on the KineAssist-MX, which will be used for this project). If it is found that maximum capacities be greater on the robotic device, rehabilitation training goals can be more appropriately tailored to these participants.
The aims and hypotheses of this research project are:
Aim 1) Assess function at preferred performance in an overground environment vs. a safety-enhanced robotic environment to establish concurrent validity.
Hypothesis 1) Participants with the highest overground performances (strength, speed, and endurance) will have the highest performances on the KineAssist-MX and vice versa.
Aim 2) Assess maximum capacities of participants over ground vs. in the safety-enhanced robotic environment to establish content validity.
Hypothesis 2) Maximum capacity will be higher in the safety-enhanced robotic environment than overground and vice versa. Therefore, people will be able to do more in the robotic environment than overground.
Aim 3) Assess the capacities of individuals across different baseline functional strata to establish usability.
Hypothesis 3) Individuals in the lower quadrants of baseline function will have lower maximum capacities in the safety-enhanced robotic environment.
This study will occur over a two-day period of time during which participants will undergo overground assessments during day 1 and robotic safety-environment assessments during day 2. There will be no interventions implemented.
Study Type
Enrollment (Actual)
Contacts and Locations
Study Locations
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Texas
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Galveston, Texas, United States, 77550
- Moody Neurorehabilitation Institute at Galveston
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Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Sampling Method
Study Population
Description
Inclusion Criteria:
- Adults ages 18 years and older
- All demographic groups will be invited to participate and would have equal access
- Post-TBI individuals currently enrolled at the Moody Neurorehabilitation Institute
- Ambulatory with or without assistive devices
- Subjects with expressive aphasia in the case of a caregiver able to provide assistance when needed
- English-speaking only
- Medically stable (controlled hypertension, no arrhythmia, stable cardiovascular status)
- Able to provide written informed consent
Exclusion Criteria:
- Subjects with loss of lower limb
- History of serious cardiac disease (e.g., myocardial infarction)
- Uncontrolled blood pressure (systolic pressure >140 mmHg, diastolic blood pressure >90 mmHg)
- Subjects with receptive aphasia
- Presence of cerebellar and brainstem deficits
- Severe cognitive disorder
- Uncontrolled respiratory or metabolic disorders
- Major or acute musculoskeletal problems
- Spasticity management that included phenol block injections within 12 months or botulinum toxin injections within 4 months of the study
- Participants undergoing any rehabilitation therapy during the timeframe of this study.
- Body weight greater than 250 pounds (due to robotic device weight restrictions)
- Non-English speaking individuals
Study Plan
How is the study designed?
Design Details
- Observational Models: Cohort
- Time Perspectives: Prospective
Cohorts and Interventions
Group / Cohort |
Intervention / Treatment |
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Post-TBI Participants
Over a 2-day period post-TBI adults age 18 years and older, will undergo overground assessments with a questionnaire regarding motivation during day 1, followed by robotic safety-environment assessments during day 2.
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The standard overground methods to assess three main components of walking are the 10 Meter Walk Test (meters/second, used to measure speed), 5x Sit-to-Stand (seconds, used to measure strength), and the 6-Minute Walk Test (meters, used to measure endurance).
The methods for assessment of the three main components of walking in the robotic environment will be the maximum walking speed tolerated (meters/second, to measure speed), deadband resistance (kilograms, to measure strength), and the 6-minute walk test (meters, to measure endurance).
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What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Change in 10-Meter Walk Test-Overground
Time Frame: Baseline, pre-intervention.
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The 10-meter walk test assess walking speed in meters per second over a short duration.
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Baseline, pre-intervention.
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Change in 5x Sitting to Standing Resistance Test
Time Frame: Baseline, pre-intervention.
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In order to measure walking strength, participants will be asked to perform a Sit-to-Stand test.
Beginning from a sitting position, a participant is asked to stand and return to a seated position.
They will be asked to repeat this procedure 5 times.
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Baseline, pre-intervention.
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6-Minute Walk Test
Time Frame: Baseline, pre-intervention.
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In order to measure walking endurance, participants will be asked to walk as far as they are able to comfortably walk during a 6 minute time period, with the total distance (in meters) being the outcome.
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Baseline, pre-intervention.
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Top Walking Speed/Max Tolerated using Robotic Device
Time Frame: During the intervention.
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In order to measure walking speed, and with the assistance of the safety enhanced robotic-treadmill device, a participant's maximum walking speed will be measured in meters per second.
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During the intervention.
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Deadband Resistance/Max Tolerated using Robotic Device
Time Frame: During the intervention.
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In order to measure walking strength, participants will be asked to walk on the robotic-treadmill device as fast as they can over a series of trials.
Resistance of the treadmill will be increased until a maximum is reached and recorded.
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During the intervention.
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6-Minute Walk Test using Robotic Device
Time Frame: During the intervention.
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In order to measure walking endurance, participants will be asked to walk as far as they are able to comfortably walk during a 6 minute time period while using the robotic-treadmill device.
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During the intervention.
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Collaborators and Investigators
Investigators
- Principal Investigator: David Brown, PhD, The University of Texas Medical Branch, Galveston
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Actual)
Study Completion (Actual)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Actual)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- 20-0300
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
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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