NCT02366702

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

43
At Risk

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Trial has exceeded expected completion date
Enrollment
3

participants targeted

Target at below P25 for all trials

Timeline
Completed

Started Feb 2015

Longer than P75 for all trials

Geographic Reach
1 country

1 active site

Status
unknown

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Start

First participant enrolled

February 1, 2015

Completed
11 days until next milestone

First Submitted

Initial submission to the registry

February 12, 2015

Completed
7 days until next milestone

First Posted

Study publicly available on registry

February 19, 2015

Completed
2 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

February 1, 2017

Completed
3 years until next milestone

Study Completion

Last participant's last visit for all outcomes

February 1, 2020

Completed
Last Updated

April 5, 2019

Status Verified

April 1, 2019

Enrollment Period

2 years

First QC Date

February 12, 2015

Last Update Submit

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

Device: Lower Limb Powered Knee-Ankle Prosthesis

Interventions

Individuals with Bilateral Transfemoral Amputation

Eligibility Criteria

Age18 Years - 45 Years
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64)
Sampling MethodNon-Probability Sample
Study Population

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

Location

Related Publications (52)

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    BACKGROUND
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    BACKGROUND
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Study Officials

  • Michael Goldfarb, Ph.D.

    Vanderbilt University

    PRINCIPAL INVESTIGATOR

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

Locations