Status:
RECRUITING
A Biomechanical Evaluation of the Ossur Power Knee in Persons With Transfemoral Amputation
Lead Sponsor:
VA Office of Research and Development
Conditions:
Transfemoral Amputation
Limb Loss
Eligibility:
All Genders
45-75 years
Phase:
NA
Brief Summary
Microprocessor-controlled knees (MPKs) do not typically utilize motors to power joint rotation, but they automatically adjust resistance or damping in the joint to improve swing- and/or stance-phase c...
Detailed Description
The anatomical knee is a complex, polycentric joint characterized by a large range of motion in the sagittal plane and limited mobility in the coronal and transverse planes. The sagittal plane motion ...
Eligibility Criteria
Inclusion
- Unilateral, transfemoral amputation (any etiology).
- Age from 45-75 years.
- Residual limb length classified as standard (i.e., medium) to long.
- Prosthesis user for at least 1 year prior to enrolling in the study.
- K3 or K4 level ambulator.
- Good sensation on their residual limb(s) (upon routine clinical examination).
- Good skin integrity upon visual inspection.
- Does not require the use of assistive devices to walk for short distances.
- Not currently taking medications that are known to affect balance or gait.
- Presents with good socket fit based upon a standard assessment by the study prosthetist.
Exclusion
- Bilateral amputations
- Individuals with a knee disarticulation
Key Trial Info
Start Date :
April 1 2024
Trial Type :
INTERVENTIONAL
Allocation :
ESTIMATED
End Date :
March 31 2027
Estimated Enrollment :
20 Patients enrolled
Trial Details
Trial ID
NCT06218238
Start Date
April 1 2024
End Date
March 31 2027
Last Update
September 9 2025
Active Locations (1)
Enter a location and click search to find clinical trials sorted by distance.
1
Jesse Brown VA Medical Center, Chicago, IL
Chicago, Illinois, United States, 60612