Kinematic, Kinetic, and Metabolic Comparison of Bilateral Transfemoral Ambulation With Passive Versus Powered Prosthetic Devices
1 other identifier
observational
3
1 country
1
Brief Summary
The purpose of this descriptive and exploratory pilot study is to investigate: (1) sagittal plane hip kinematics and kinetics and (2) metabolic consumption/cost, for bilateral transfemoral walking with passive prostheses versus powered prostheses. The pilot study will collect data from three subjects with bilateral transfemoral amputations. Differences in kinetics, kinematics, and oxygen consumption/cost when comparing passive and powered components may indicate benefits for clinical application of powered devices for persons with lower limb amputation.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at below P25 for all trials
Started Feb 2015
Longer than P75 for all trials
1 active site
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
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Study Timeline
Key milestones and dates
Study Start
First participant enrolled
February 1, 2015
CompletedFirst Submitted
Initial submission to the registry
February 12, 2015
CompletedFirst Posted
Study publicly available on registry
February 19, 2015
CompletedPrimary Completion
Last participant's last visit for primary outcome
February 1, 2017
CompletedStudy Completion
Last participant's last visit for all outcomes
February 1, 2020
CompletedApril 5, 2019
April 1, 2019
2 years
February 12, 2015
April 3, 2019
Conditions
Outcome Measures
Primary Outcomes (2)
Sagittal Plane Hip Moment
During the stance phase of the gait cycle after two weeks of training with powered device.
Metabolic Cost of Transport
5 minutes of steady state walking after two weeks of training with powered device.
Study Arms (1)
Individuals with Bilateral Transfemoral Amputation
Interventions
Eligibility Criteria
Individuals with bilateral transfemoral amputation who are community level ambulators. Individuals are ambulatory with non-powered prosthetic devices.
You may qualify if:
- Male or female
- All causes of limb amputation: congenital, trauma, vascular, limb salvage, infection.
- All transfemoral residual limb lengths: joint disarticulation, long, medium, short, very short.
- Subjects currently walk with entirely passive type prostheses daily.
- Subjects walk without assistive devices OR with single point cane.
- High-activity level walkers
You may not qualify if:
- Ages \< 18 or \> 45 years
- Medical comorbidities or existing conditions that may impede the subjects ability to complete the protocol excluding the amputations.
- Current medications or pharmaceutical interventions that may impede the subjects ability to complete the protocol.
- Any powered prosthetic component or prosthesis, including but not exclusive to: Ossur Proprio Foot, BiOM or BiOM T2 System Foot, Ossur Power Knee, Ossur Symbionic Leg.
- Subjects requiring a walker, crutches, quad cane, or other assistive devices excluding a single point cane.
- Low-activity level walkers
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (1)
VA Long Beach Healthcare System
Long Beach, California, 90822, United States
Related Publications (52)
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Study Officials
- PRINCIPAL INVESTIGATOR
Michael Goldfarb, Ph.D.
Vanderbilt University
Study Design
- Study Type
- observational
- Observational Model
- CASE CROSSOVER
- Time Perspective
- PROSPECTIVE
- Sponsor Type
- OTHER
- Responsible Party
- PRINCIPAL INVESTIGATOR
- PI Title
- Health System Specialist
Study Record Dates
First Submitted
February 12, 2015
First Posted
February 19, 2015
Study Start
February 1, 2015
Primary Completion
February 1, 2017
Study Completion
February 1, 2020
Last Updated
April 5, 2019
Record last verified: 2019-04