- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT05328934
SoftHand Comparison Study
May 15, 2023 updated by: Kristin Zhao, PhD, Mayo Clinic
Toward Use of the Synergy-based SoftHand Pro for Activities of Daily Living by Persons With Transradial Limb Loss: A Multi-site Clinical Trial
A trial to compare the performance of the SoftHand Pro (SHP) and Ossur i-Limb in people with transradial limb loss over an 8-week period.
Study Overview
Status
Enrolling by invitation
Conditions
Intervention / Treatment
Detailed Description
This study will measure improvements in outcomes obtained from laboratory testing of the SHP and i-Limb from baseline to after 8 weeks of daily use.
A secondary analysis will incorporate the subjects' existing prosthetic hands.
Finally, surveys and usage data collected through the SHP and i-Limb firmware during daily use will complement data the aforementioned outcomes to explore factors that may be related to differences in grasping and manipulation performance.
Study Type
Interventional
Enrollment (Anticipated)
36
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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Arizona
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Tempe, Arizona, United States, 85281-9709
- Marco Santello
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Minnesota
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Rochester, Minnesota, United States, 55905
- Mayo Clinic
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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 70 years (Adult, Older Adult)
Accepts Healthy Volunteers
No
Description
Inclusion Criteria:
- the individual can successfully use their prosthesis, list the components used and that their current prosthesis is fitting properly (by performing a tension analysis);
- the individual had unilateral transradial limb loss more than 6 months before the clinical evaluation because, to use a myoelectric prosthesis, the residual limb volume needs to be stable;
- the individual is a user of one or more common myoelectric prosthetic hands, such as the Sensor Hand Speed and Bebionic.
Exclusion Criteria:
- individuals who have had transradial amputation for less than 6 months;
- individuals who have been fit and trained to use a prosthesis but chose not to use one;
- individuals who use the i-Limb Quantum myoelectric prosthesis;
- clinical history of brachial plexopathy, cervical radiculopathy or polyneuropathy;
- orthopedic, joint degeneration (i.e., arthritis, self-reported) affecting the hand or cervical spine that severely limit upper limb function (observed);
- visual problems that would interfere with the grasping;
- co-existing central nervous system disease with symptoms that limit upper extremity function (e.g., multiple sclerosis, motor neuron disease, myasthenia gravis, Parkinson's disease, dystonia) revealed in medical history;
- limited range of motion as assessed through range of motion testing;
- inability to follow study instructions;
- use of medications that might affect sensory and/or motor functions.
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: Randomized
- Interventional Model: Crossover Assignment
- Masking: None (Open Label)
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Experimental: Initial Assignment: SoftHand Pro
This arm of the crossover design will begin the trial using the SoftHand Pro.
|
Performance assessments utilizing the SoftHand Pro over an 8-week period.
Performance assessments utilizing the i-Limb over an 8-week period.
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Active Comparator: Initial Assignment: Ossur i-Limb
This arm of the crossover design will begin the trial using the i-Limb.
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Performance assessments utilizing the SoftHand Pro over an 8-week period.
Performance assessments utilizing the i-Limb over an 8-week period.
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Upper Extremity Functional Ability [1]
Time Frame: 8 Weeks
|
Change in upper extremity function, as measured by the Activities Measure for Upper Limb Amputees (AM-ULA).
Participants complete 17 tasks, rated on task completion, speed of completion, movement quality, skillfulness of prosthesis use, and independence from the use of other assistive devices or adaptive environments with the prosthesis.
The scale is 0 to 4, with a higher number representing higher performance in each category.
Scores in each category are averaged for a Grade in each task.
Grades for the 17 tasks are averaged and multiplied by 40 for a final score of 0 - 40, with a higher number representing higher overall function.
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8 Weeks
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Upper Extremity Functional Ability [2]
Time Frame: 8 Weeks
|
Change in upper extremity function, as measured by the Action Research Arm Test (ARAT).
Participants perform up to 19 tasks categorized by grasp, grip, pinch, and gross movement.
The scale is 0 to 3, with a higher number representing higher performance in each category.
Categories are scored separately.
|
8 Weeks
|
Upper Extremity Manual Dexterity
Time Frame: 8 Weeks
|
Change in upper extremity gross manual dexterity, as measured by the Box and Blocks test.
Participants are tested in a timed transfer of blocks from one side of a box to another side over a low partition.
A higher number of blocks successfully transferred during the timed episode represents a higher level of upper extremity manual dexterity.
|
8 Weeks
|
Hand Motor Function
Time Frame: 8 Weeks
|
Change in fine and gross motor hand function, as measured by the Jebsen-Taylor Hand Function Test.
Participants are timed in seven activities of daily living closely involving use of the hand, with a lower number of seconds required to complete the task representing a higher level of motor hand function.
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8 Weeks
|
Occupational Performance
Time Frame: 8 Weeks
|
Change in participants' perceived occupational performance, as measured by the Canadian Occupational Performance Measure (COPM).
Participants choose up to 5 occupational performance problems; their perception of their own performance and their satisfaction with their performance regarding each problem is measured on a 1 to 10 scale, with higher scores representing higher performance and satisfaction.
The difference in performance and satisfaction is calculated, and then the differences for all problems together are totaled and averaged, with the average divided by the number of problems establishing the final score for each performance and satisfaction.
Higher averages represent better perceived performance and satisfaction.
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8 Weeks
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Quality of Life
Time Frame: 8 Weeks
|
Change in participants' perceived quality of life, as measured by the the World Health Organization Quality of Life Disabilities Module (WHOQOL-DIS).
Participants answer qualitative questions regarding patient activities, independence, and overall quality of life on a 1 to 5 scale, with a higher number indicating a higher concurrence or frequency related to the item in question, and totaled for a score which categorizes patient quality of life.
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8 Weeks
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Upper Extremity Function and Pain
Time Frame: 8 Weeks
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Change in participants' perceived levels of upper extremity physical function and symptoms, as measured by the Disabilities of the Arm, Shoulder, and Hand Score (QuickDASH).
Participants rate their difficulty with examples of physical function and their severity of physical symptoms on a 1 to 5 scale, with higher values representing more severe difficulties and symptoms.
The scores are combined in a calculation which results in an overall score, with higher scores representing more severe overall difficulties and symptoms.
|
8 Weeks
|
Overall Functional Performance
Time Frame: 8 Weeks
|
Change in participants' perceived functional performance, as measured by the Patient-Specific Functional Scale.
Participants select 5 or more activities for which they perceive a problem, rating their own performance of that activity on a scale of 0 to 10, with higher values representing greater ability to perform the activity.
The scores are totaled and divided by the number of tasks for an average score, with higher values representing better performance.
|
8 Weeks
|
Prosthesis Overall Functional Utility
Time Frame: 8 Weeks
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Change in participants' perception of the utility of their currently-used prosthesis, as measured by the Orthotics Prosthetics Users Survey - Upper Extremity Functional Status (OPUS).
Participants rate the prosthetic's ease of use for a variety of daily activities, 23 of which are scored, on a 0 to 4 scale, with higher values representing easier use.
Scores are totaled and converted to a 0 to 92 scale, with higher overall scores representing better functional utility with the prosthesis.
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8 Weeks
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Other Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Prosthesis User Preference
Time Frame: 8 Weeks
|
Changes in participants' perception of the utility, functional performance, ergonomics, and ease of use of their currently-used prosthesis, as measured by a custom Active Use questionnaire.
Participants rate the extent to which they agree to 12 to 14 statements (depending of which prosthesis) on a 1 to 10 scale, with higher ratings representing closer agreement.
Individual statements are assessed separately (no overall score).
|
8 Weeks
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Collaborators and Investigators
This is where you will find people and organizations involved with this study.
Sponsor
Investigators
- Principal Investigator: Marco Santello, Ph.D., Arizona State University
- Principal Investigator: Kristin D. Zhao, Ph.D., Mayo Clinic
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 (Actual)
April 28, 2022
Primary Completion (Anticipated)
May 1, 2026
Study Completion (Anticipated)
May 1, 2026
Study Registration Dates
First Submitted
April 7, 2022
First Submitted That Met QC Criteria
April 7, 2022
First Posted (Actual)
April 14, 2022
Study Record Updates
Last Update Posted (Actual)
May 16, 2023
Last Update Submitted That Met QC Criteria
May 15, 2023
Last Verified
May 1, 2023
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- 21-005070
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
NO
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
No
Studies a U.S. FDA-regulated device product
Yes
product manufactured in and exported from the U.S.
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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