- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT02887690
Pilot Project to Evaluate the Revolutionizing Prosthetics Modular Prosthetic Limb System for Upper Extremity Amputees (MPL)
March 13, 2019 updated by: Henry M. Jackson Foundation for the Advancement of Military Medicine
The purpose of this study is to optimize the Defense Advanced Research Projects Agency's (DARPA) advanced upper limb prosthesis, the Modular Prosthetic Limb (MPL), by evaluating the performance, usability, and patient acceptance of the MPL in a clinical setting.
This study will be a non-randomized limited clinical optimization study.
The study will consist of two phases.
Up to twenty-four upper extremity amputees will be recruited in order to ensure twelve subjects for participation in the study: 6 trans-humeral amputees and 6 trans-radial amputees.
During Phase 1, subjects will be evaluated for their potential to operate the MPL using a virtual limb controlled by signals from surface electromyograms (sEMG).
The first six trans-humeral amputee subjects and the first six trans-radial amputee subjects with a demonstrated proficiency controlling the MPL based on analytical performance metrics will enter Phase 2. During Phase 2, each subject will be fitted for the prosthesis with a custom socket.
The user will then evaluate the prosthesis during twelve 1- hour or 1 and one half-hour sessions, working with an occupational therapist and research associates and completing both quantitative and qualitative assessments.
Study Overview
Status
Unknown
Conditions
Intervention / Treatment
Study Type
Interventional
Enrollment (Actual)
20
Phase
- Not Applicable
Contacts and Locations
This section provides the contact details for those conducting the study, and information on where this study is being conducted.
Study Locations
-
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Maryland
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Bethesda, Maryland, United States, 20889
- Walter Reed National Military Medical Center
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Participation Criteria
Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.
Eligibility Criteria
Ages Eligible for Study
18 years to 65 years (ADULT, OLDER_ADULT)
Accepts Healthy Volunteers
Yes
Genders Eligible for Study
All
Description
Inclusion Criteria
- Male or female subjects, 18 to 65 years of age with a unilateral or bilateral upper-limb amputation at any time prior to enrollment
- Active duty military, beneficiary, retiree, and civilian non-beneficiaries are all eligible to participate in this minimal risk study.
- If non active duty military, proof of verified, current health insurance in the form of a health insurance card must be provided in person and health plan expiration date not prior to the end of the projected study participation period will be verified.
- No prior history of vertebral disk disease/condition, sciatica or radiculopathy.
- Ability to follow study instructions and likely to complete all required visits for both phases of the study.
- Normal neurological examination with the exception of limb amputation.
- Medically cleared to use a prosthetic device based on residual limb condition and overall health, including participants both with and without prior prosthetic experience.
Exclusion Criteria
- Age less than 18 or greater than 65.
- Presence of mild to severe traumatic brain injury - permanent or temporary impairments of cognitive, physical, and psychosocial functions with an associated diminished or altered state of consciousness - as indicated by neuropsychological screening that is currently performed routinely on patients by the TBI program at WRNMMCB and noted in the subject's medical record.
- Current, known uncontrolled systemic disease.
- Any condition or situation that, in the investigator's opinion, may put the subject at significant risk, confound the study results, or interfere significantly with the subject's participation in the study.
- Subjects with lack of effort as determined by the research team. Subjects will be screened for effort using the Test of Malingering Memory (TOMM), with a score lower than 42/50 serving as exclusionary.
- Significant Axis I or II diagnosis determined by a neurologist or psychiatrist in the 6 months prior to entry into the study.
- Use of a pacemaker, so as to minimize the risk of surface electromyography interference.
- Lack of health insurance.
Study Plan
This section provides details of the study plan, including how the study is designed and what the study is measuring.
How is the study designed?
Design Details
- Primary Purpose: TREATMENT
- Allocation: NA
- Interventional Model: SINGLE_GROUP
- Masking: NONE
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
EXPERIMENTAL: Modular Prosthetic Limb
The Defense Advanced Research Projects Agency's (DARPA) advanced upper limb prosthesis, the Modular Prosthetic Limb (MPL)
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Other Names:
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What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
MPL functionality during clinical use
Time Frame: From beginning to end of clinical testing period, evaluated up to four weeks
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The overall objective of the study is to determine the functionality of the MPL during clinical use in training scenarios simulating activities of daily living, and to assess patient satisfaction of the MPL by individuals with upper extremity amputations.
The results will be used to optimize control and features of the MPL based on qualitative and quantitative user driven feedback in a clinical setting.
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From beginning to end of clinical testing period, evaluated up to four weeks
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Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Optimally controlled degrees of freedom
Time Frame: From beginning to end of clinical testing period, evaluated up to four weeks
|
We will functionally assess the number of optimally controlled degrees of freedom by having users perform comparative assessments using their existing prosthesis as a baseline, followed the MPL configured with increasing number of controllable degrees of freedom to accomplish functional activities of daily living.
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From beginning to end of clinical testing period, evaluated up to four weeks
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Collaborators and Investigators
This is where you will find people and organizations involved with this study.
Study record dates
These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.
Study Major Dates
Study Start
December 1, 2013
Primary Completion (ANTICIPATED)
December 1, 2019
Study Completion (ANTICIPATED)
December 1, 2019
Study Registration Dates
First Submitted
August 18, 2016
First Submitted That Met QC Criteria
August 29, 2016
First Posted (ESTIMATE)
September 2, 2016
Study Record Updates
Last Update Posted (ACTUAL)
March 15, 2019
Last Update Submitted That Met QC Criteria
March 13, 2019
Last Verified
March 1, 2019
More Information
Terms related to this study
Keywords
Other Study ID Numbers
- 386304
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
NO
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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