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A Biomechanical Evaluation of the Ossur Power Knee in Persons With Transfemoral Amputation

Study acronym: OPKTFA
StatusRecruiting
PhaseNot applicable
Started
View on ClinicalTrials.gov ↗

Record History

  1. Primary endpoints: details revised at 1 of 3 entries Interventions modified · Eligibility criteria expanded, about 7 words · Study description revised · 1 more Show 4 more changesShow less
    • Interventions modified
    • Eligibility criteria expanded, about 7 words
    • Study description revised
    • Site contact updated
  2. Site contact updatedv7
  3. 2 versions Re-verified since Mar 17, 2025, no change to tracked fieldsv5-v6
  4. Interventions: Conventional prosthetic knee joint (Device), Powered prosthetic knee joint (Device) to Conventional prosthetic knee joint (Other), Powered prosthetic knee joint (Other)v4
  5. Trial status: Not Yet Recruiting to Recruiting Site details revisedv3 Show 1 more changeShow less
    • Site details revised
  6. Re-verified, no change to tracked fieldsv2
  7. Study First Submitted
  • Stopped: an ongoing trial was terminated, suspended or withdrawn.
  • Notable: the trial’s plan changed such as a big move in its timeline or size, a new primary endpoint, sponsor or phase, or recruiting opened or resumed.
  • Minor: routine progress and housekeeping, such as sites added or enrollment closed.
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 control as appropriate for the prosthesis user during gait. The Ossur Power Knee is the only commercially-available MPK that uses a motor to provide active power generation during walking and other activities. The purpose of this proposed investigation is to perform and compare biomechanical evaluations of the Power Knee and Ossur Rheo XC, a passive MPK, during walking and other activities by prosthesis users. Furthermore, mobility between male and female subjects will be compared to determine if there are differences in prosthetic knee usage on the basis of sex.
Trial Details
NCT Number NCT06218238
Lead Sponsor VA Office of Research and Development
Conditions Transfemoral Amputation, Limb Loss, Limb Absence
Enrollment 20 participants
Start Date
Primary Completion (estimated)
Study Completion (estimated)
Updated on ClinicalTrials.gov