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The purpose of this study is to investigate the impact of ankle foot orthoses (AFOs) on the spatial and temporal gait parameters, electromyography (EMG), walking endurance, and quality of life in select individuals living with MS. The hypotheses of the study are: 1. Individuals who are fit with an AFO will demonstrate improvements in spatial and temporal gait parameters 2. Individuals who are fit with an AFO will demonstrate improvements in walking endurance. 3. Individuals who are fit with an AFO will demonstrate improvements in muscle firing profiles/EMG measures. 4. Individuals who are fit with an AFO will demonstrate improvements in quality of life.
This is a non-randomized, single group (N=15), repeated measures study. The outcome measure for the study include: 1. GAITRite System for step length, 2. EMG of the anterior tibialis, gastrocnemius, soleus, and vastus lateralis muscles, 3. 6 Minute Walk Test (gait endurance) 4. 12-Item MS Walking Scale (Quality of Life assessment). This study will be 24 weeks long. Over the 24-week period, the subject will participate in 14 gait training sessions which will be at weeks 1, 2, 3, 4, 5, 6, 8, 10, 12, 14, 17, 20 and 23. The treatments will be 45-60 minutes in duration. Outcome measures (all or part) will be assessed at the following times: initial (T1), week 5 (T2), week 13 (T3), and week 24 (T4). Subjects will be closely monitored throughout the 24 week study and will be un-enrolled by self-request or the following medical reasons: 1. Acute exacerbation of MS symptoms, 2. New diagnosis with direct consequences affecting gait training, 3. Inability to tolerate the AFO.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Application of ankle foot orthosis | Other | All participants will receive ankle foot orthosis or orthoses. Outcomes will be compared to pre-bracing findings. |
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| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Ankle foot orthosis | Device | The ankle foot orthoses (AFOs) that will be used are designed to provide assistance with anterior tibial advancement during stance and dorsi flexion assistance during swing. The device(s) are polypropylene and are custom-fabricated. |
| Measure | Description | Time Frame |
|---|---|---|
| Change in Walking Distance During 6-Minute Walk Test | Each participant walks at a self-selected velocity on level surfaces for 6 minutes. They will be allowed to use assistive devices if necessary. They will be asked to rate their level of exertion upon completion of walking on the rate of perceived exertion scale. | Assessed at visit 2 (week 1) and week 24 |
| Measure | Description | Time Frame |
|---|---|---|
| Change in Impact of MS on Fatigue Using the 12-Item Walk Scale | The 12-Item Walk Scale is a paper and pencil test that asks persons with MS to rate their level of fatigue when doing functional tasks. The maximum possible score is 60 points and the lowest possible score is 12. Higher scores indicate a greater impact on walking than lower scores. | Assessed at visit 2 (week 1) and week 24 |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Affiliation | Role |
|---|---|---|
| Karen J McCain, PT, DPT, NCS | University of Texas Southwestern Medical Center | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| UT Southwestern Medical Center School of Health Professions | Dallas | Texas | 75223 | United States |
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| ID | Title | Description |
|---|---|---|
| FG000 | Application of Ankle Foot Orthosis | persons in this group were fitted with bilateral ankle foot orthoses |
| Title | Milestones | Reasons Not Completed | ||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Overall Study |
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| ID | Title | Description |
|---|---|---|
| BG000 | Application of Ankle Foot Orthosis | persons in this group were fitted with bilateral ankle foot orthoses |
| Units | Counts |
|---|---|
| Participants |
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| Title | Description | Population Description | Parameter Type | Dispersion Type | Unit of Measure | Calculate Percentage | Denominator Units Selected | Denominators | Classes |
|---|---|---|---|---|---|---|---|---|---|
| Age, Categorical | Count of Participants |
| Type | Title | Description | Population Description | Reporting Status | Anticipated Posting Date | Parameter Type | Dispersion Type | Unit of Measure | Calculate Percentage | Time Frame | Units Analyzed | Denominator Units Selected | Arm/Group Information | Denominators | Classes | Analyses | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Primary | Change in Walking Distance During 6-Minute Walk Test | Each participant walks at a self-selected velocity on level surfaces for 6 minutes. They will be allowed to use assistive devices if necessary. They will be asked to rate their level of exertion upon completion of walking on the rate of perceived exertion scale. | Posted | Number | feet | Assessed at visit 2 (week 1) and week 24 |
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| ID | Title | Description | Deaths (Affected) | Deaths (At Risk) | Serious Events (Affected) | Serious Events (At Risk) | Other Events (Affected) | Other Events (At Risk) |
|---|---|---|---|---|---|---|---|---|
| EG000 | Application of Ankle Foot Orthosis | persons in this group were fitted with bilateral ankle foot orthoses |
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| Title | Organization | Phone | Extension | |
|---|---|---|---|---|
| Karen McCain, PT, DPT, NCS, Principal Investigator | University of Texas Southwestern Medical Center | 214-648-1559 | karen.mccain@utsouthwestern.edu |
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| ID | Term |
|---|---|
| D009103 | Multiple Sclerosis |
| ID | Term |
|---|---|
| D020278 | Demyelinating Autoimmune Diseases, CNS |
| D020274 | Autoimmune Diseases of the Nervous System |
| D009422 | Nervous System Diseases |
| D003711 | Demyelinating Diseases |
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| Change in Step Length Using the GAITRite Computerized Gait Analysis System | Participants will be asked to walk on a 12-16 foot long vinyl pad placed on the floor. | Assessed at visit 2 (week 1) and week 24 |
| Number of Persons With Change in Muscle Activity Using Surface Electromyography (EMG) | Surface EMG is done on key muscles in the lower extremity (quadriceps, anterior tibialis, gastrocnemius, soleus) during computerized gait assessment. Changes in amplitude of muscle activity or timing of muscle activity would indicate, for example, increases in strength or changes in timing of muscles which might indicate motor learning as a result of wearing the ankle foot orthosis. | Assessed at visit 2 (week 1) and week 24 |
| Participants |
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| Age, Continuous | Mean | Full Range | years |
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| Sex: Female, Male | Count of Participants | Participants |
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| Ethnicity (NIH/OMB) | Count of Participants | Participants |
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| Race (NIH/OMB) | Count of Participants | Participants |
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| Region of Enrollment | Number | participants |
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| Secondary | Change in Impact of MS on Fatigue Using the 12-Item Walk Scale | The 12-Item Walk Scale is a paper and pencil test that asks persons with MS to rate their level of fatigue when doing functional tasks. The maximum possible score is 60 points and the lowest possible score is 12. Higher scores indicate a greater impact on walking than lower scores. | Posted | Number | difference of sum of score | Assessed at visit 2 (week 1) and week 24 |
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| Secondary | Change in Step Length Using the GAITRite Computerized Gait Analysis System | Participants will be asked to walk on a 12-16 foot long vinyl pad placed on the floor. | Posted | Number | cm | Assessed at visit 2 (week 1) and week 24 |
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| Secondary | Number of Persons With Change in Muscle Activity Using Surface Electromyography (EMG) | Surface EMG is done on key muscles in the lower extremity (quadriceps, anterior tibialis, gastrocnemius, soleus) during computerized gait assessment. Changes in amplitude of muscle activity or timing of muscle activity would indicate, for example, increases in strength or changes in timing of muscles which might indicate motor learning as a result of wearing the ankle foot orthosis. | Posted | Number | persons | Assessed at visit 2 (week 1) and week 24 |
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| 0 |
| 2 |
| 0 |
| 2 |
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| D001327 | Autoimmune Diseases |
| D007154 | Immune System Diseases |