Amputation Clinical Trial
Official title:
Evaluation of Powered Prosthesis for Use With Transfemoral Osseointegration Recipients
The purpose of this study is to evaluate functional mobility, control, and user satisfaction from persons who have an amputation above the knee and have received osseo-integration (OI) and targeted muscle reinnervation (TMR) surgery, while walking with a powered knee and ankle prosthesis.
Status | Recruiting |
Enrollment | 6 |
Est. completion date | October 2028 |
Est. primary completion date | October 2027 |
Accepts healthy volunteers | No |
Gender | All |
Age group | 18 Years to 70 Years |
Eligibility | Inclusion Criteria: - Unilateral lower limb amputation at the transfemoral level - Existing prosthesis wearer - K2/K3/K4 level ambulation - 18-70 years old - Mini-Mental State Exam (MMSE) score greater than 17 - Ability to demonstrate proper safety with passive prosthesis - Candidate for a myoelectric prosthesis (can generate mV level electromyographic EMG signals as detected by surface electrodes - Candidate for OI surgery as verified by surgical team or has previously received OI - Candidate for TMR surgery as verified by surgical team or has previously received TMR Exclusion Criteria: - Unable to successfully receive osseointegration and TMR - Significant new injury that would prevent use of a prosthesis: Ability to consistently wear prosthesis and perform activities of daily living and specific performance tasks is necessary to properly evaluate the relative benefits of the intervention - Cognitive impairment sufficient to adversely affect understanding of or compliance with study requirements, ability to communicate experiences, or ability to give informed consent: The ability to understand and comply with requirements of the study is essential in order for the study to generate useable, reliable data. - Visually impaired - Proximal nerve injury that prevents TMR - Individuals who smoke: may interfere with OI process from both bone healing and soft tissue standpoints - Individuals with active implants. - Significant comorbidity that would preclude completion of the study, use of prostheses, or would otherwise prevent data acquisition by researchers |
Country | Name | City | State |
---|---|---|---|
United States | Shirley Ryan AbilityLab | Chicago | Illinois |
Lead Sponsor | Collaborator |
---|---|
Shirley Ryan AbilityLab | Northwestern Memorial Hospital, Northwestern University |
United States,
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Primary | Amputee Mobility Predictor with Prosthesis (AMPPRO) | A questionnaire that measures the ambulatory potential of lower limb amputees. It requires the amputee to complete various tasks. Including sitting balance, reaching, transfers, sit to stand, and standing balance. | Completion of Aim 1:approximately 10-12 weeks (10 in lab visits) from enrollment | |
Primary | Amputee Mobility Predictor with Prosthesis (AMPPRO) | A questionnaire that measures the ambulatory potential of lower limb amputees. It requires the amputee to complete various tasks. Including sitting balance, reaching, transfers, sit to stand, and standing balance. | Completion of study, an average of 1 year from enrollment | |
Primary | Six Minute Walk Test (6MWT) | The 6 minute walk test (6MWT) assesses distance walked over 6 minutes as a sub-maximal test of aerobic capacity/endurance. | Completion of Aim 1:approximately 10-12 weeks (10 in lab visits) from enrollment | |
Primary | Six Minute Walk Test (6MWT) | The 6 minute walk test (6MWT) assesses distance walked over 6 minutes as a sub-maximal test of aerobic capacity/endurance. | Completion of study, an average of 1 year from enrollment | |
Primary | Timed Up and Go (TUG) | The Timed Up and Go Test (TUG) assesses mobility, balance, walking ability, and fall risk in older adults. | Completion of Aim 1:approximately 10-12 weeks (10 in lab visits) from enrollment | |
Primary | Timed Up and Go (TUG) | The Timed Up and Go Test (TUG) assesses mobility, balance, walking ability, and fall risk in older adults. | Completion of study, an average of 1 year from enrollment | |
Primary | Single Leg Stance Test (SLS) | The Single Leg Stance (SLS) Test is used to assess static postural and balance control. The SLS Test is a balance assessment that is widely used in clinical settings to monitor neurological and musculoskeletal conditions. | Completion of Aim 1:approximately 10-12 weeks (10 in lab visits) from enrollment | |
Primary | Single Leg Stance Test (SLS) | The Single Leg Stance (SLS) Test is used to assess static postural and balance control. The SLS Test is a balance assessment that is widely used in clinical settings to monitor neurological and musculoskeletal conditions. | Completion of study, an average of 1 year from enrollment | |
Primary | Berg Balance Scale (BBS) | The Berg Balance Scale (BBS) is used to objectively determine a patient's ability (or inability) to safely balance during a series of predetermined tasks. It is a 14 item list with each item consisting of a five-point ordinal scale ranging from 0 to 4, with 0 indicating the lowest level of function and 4 the highest level of function and takes approximately 20 minutes to complete. It does not include the assessment of gait. | Completion of Aim 1:approximately 10-12 weeks (10 in lab visits) from enrollment | |
Primary | Berg Balance Scale (BBS) | The Berg Balance Scale (BBS) is used to objectively determine a patient's ability (or inability) to safely balance during a series of predetermined tasks. It is a 14 item list with each item consisting of a five-point ordinal scale ranging from 0 to 4, with 0 indicating the lowest level of function and 4 the highest level of function and takes approximately 20 minutes to complete. It does not include the assessment of gait. | Completion of study, an average of 1 year from enrollment | |
Primary | Four Square Step Test (FSST) | The Four Square Step Test (FSST) is used to assess dynamic stability and co-ordination. It looks at the ability of the subject to step over low objects forward, sideways, and backward.[ | Completion of Aim 1:approximately 10-12 weeks (10 in lab visits) from enrollment | |
Primary | Four Square Step Test (FSST) | The Four Square Step Test (FSST) is used to assess dynamic stability and co-ordination. It looks at the ability of the subject to step over low objects forward, sideways, and backward.[ | Completion of study, an average of 1 year from enrollment | |
Primary | Prosthetic Limb Users Survey of Mobility (PLUS-M) | The Prosthetic Limb Users Survey of Mobility™ is a self-report instrument for measuring mobility of adults with lower limb amputation. | Completion of Aim 1:approximately 10-12 weeks (10 in lab visits) from enrollment | |
Primary | Prosthetic Limb Users Survey of Mobility (PLUS-M) | The Prosthetic Limb Users Survey of Mobility™ is a self-report instrument for measuring mobility of adults with lower limb amputation. | Completion of study, an average of 1 year from enrollment | |
Primary | Prosthesis Evaluation Questionnaire (PEQ) | The PEQ is a self-evaluating instrument consisting of nine validated scales: ambulation, appearance, frustration, perceived response, stump health, social burden, noise, utility, and well-being. | Completion of Aim 1:approximately 10-12 weeks (10 in lab visits) from enrollment | |
Primary | Prosthesis Evaluation Questionnaire (PEQ) | The PEQ is a self-evaluating instrument consisting of nine validated scales: ambulation, appearance, frustration, perceived response, stump health, social burden, noise, utility, and well-being. | Completion of study, an average of 1 year from enrollment | |
Primary | Patient Reported Outcome Measure Information System (PROMIS) | The PROMIS is a set of person-centered measures that evaluates and monitors physical, mental, and social health in adults and children. It can be used with the general population and with individuals living with chronic conditions. | Completion of Aim 1:approximately 10-12 weeks (10 in lab visits) from enrollment | |
Primary | Patient Reported Outcome Measure Information System (PROMIS) | The PROMIS is a set of person-centered measures that evaluates and monitors physical, mental, and social health in adults and children. It can be used with the general population and with individuals living with chronic conditions. | Completion of study, an average of 1 year from enrollment | |
Secondary | Determine changes in EMG signal quality and neural information resulting from OI and TMR as compared to an instrumented socket for control of a powered leg prosthesis. | A non-weight bearing independent control system will be configured. The participant will be instructed to attempt to move their 'phantom' limb through knee flexion/extension and ankle plantarflexion/dorsiflexion range movements while EMG data are collected. These data are used to train a pattern recognition control system which can control the leg knee and ankle joints respectively, either in a virtual environment or with the physical prosthesis | Completion of Aim 1:approximately 10-12 weeks (10 in lab visits) from enrollment | |
Secondary | Determine changes in EMG signal quality and neural information resulting from OI and TMR as compared to an instrumented socket for control of a powered leg prosthesis. | A non-weight bearing independent control system will be configured. The participant will be instructed to attempt to move their 'phantom' limb through knee flexion/extension and ankle plantarflexion/dorsiflexion range movements while EMG data are collected. These data are used to train a pattern recognition control system which can control the leg knee and ankle joints respectively, either in a virtual environment or with the physical prosthesis | Completion of study, an average of 1 year from enrollment |
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