Vibrotactile Stimulation With Saphenus Device
Vibrotactile Stimulation for Improved Gait and Pain After Major Lower Extremity Amputation Using a Non-invasive Vibration Device
1 other identifier
interventional
50
1 country
1
Brief Summary
To determine the benefit of the vvibrotactile sensory feedback device.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P25-P50 for not_applicable
Started Aug 2023
Shorter than P25 for not_applicable
1 active site
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
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Study Timeline
Key milestones and dates
First Submitted
Initial submission to the registry
May 30, 2023
CompletedFirst Posted
Study publicly available on registry
July 27, 2023
CompletedStudy Start
First participant enrolled
August 1, 2023
CompletedPrimary Completion
Last participant's last visit for primary outcome
December 1, 2023
CompletedStudy Completion
Last participant's last visit for all outcomes
May 1, 2024
CompletedJuly 27, 2023
July 1, 2023
4 months
May 30, 2023
July 17, 2023
Conditions
Outcome Measures
Primary Outcomes (7)
Measure Velocity
To investigate the potential effects of vibrotactile stimulation on gait velocity by asking the participant to walk a given distance during gait tests and measuring the velocity during which they walk during this distance. The specific gait test is the 10-meter gait velocity test (meters/second).
One Year
Measure Endurance
To investigate the potential effects of vibrotactile stimulation on endurance by asking the participant to walk a given distance during the 2 minute walking endurance test (meters).
One Year
Measure Physical Function
To investigate the potential effects of vibrotactile stimulation on physical function of the patient through the Patient Reported Outcome Measurements Physical function short form 6b. This scale goes from 6-30 where lower numbers mean that the patient is less physically able.
One Year
Measure User Satisfaction of Function
To investigate the potential effects of vibrotactile stimulation on physical function of the patient through the Orthotics Prosthetics Users Survey satisfaction with device questionnaire after the gait tests. This scale goes from 20-100 where lower numbers indicate easier ability to perform physical activities.
One Year
Measure Pain Overall
To investigate the potential effects of vibrotactile stimulation on amputation-related pain through patient-reported outcomes such as the Defense and Veterans Pain Rating Scale (DVPRS). This scale goes from 0 (no pain) to a 10 (as bad as it could be, nothing else matters).
One Year
Measure Pain Interference
To investigate the potential effects of vibrotactile stimulation on amputation-related pain through patient-reported outcomes such as Patient Reported Outcome Measurements Pain Interference Short Form 4a. This scale goes from 4-20 where lower numbers indicate less pain.
One Year
Measure Pain Intensity
To investigate the potential effects of vibrotactile stimulation on amputation-related pain through patient-reported outcomes such as Patient Reported Outcome Measurements Pain Intensity Short Form 3a. This scale goes from 3-15 where lower numbers indicate less pain.
One Year
Secondary Outcomes (3)
Measure Patient Satisfaction
One Year
Measure Patient Depression
One Year
Measure Patient Anxiety
One Year
Study Arms (1)
Patients receiving the vibrotactile sensory feedback device
EXPERIMENTALPatients who have undergone a major lower limb amputation and are receiving the vibrotactile sensory feedback device
Interventions
The company Saphenus Medical Technology GmbH will provide all of the devices for this study. The non-invasive vibrotactile sensory feedback device consists of 4 vibration -motors, which are placed in a cuff or pant on the patient's residual limb (RL). Furthermore, the system consists of a foot sole with integrated sensors and transmitters. The patient will put the sole of their foot into the shoe of the amputated side. There are 4 sensors matching the vibration motors - 3 under the forefoot and 1 on the heel - in the foot sole. Depending on whether the patient loads their forefoot or their heel while walking, the assigned vibration motor vibrates on the skin of their RL. The patient will learn which vibration motor is assigned to their forefoot and which to their heel. This gives the patient sensory feedback without having to check with their eyes which part of the prosthetic foot is currently touching the ground.
Eligibility Criteria
You may qualify if:
- English-speaking
- Major lower limb amputee
- Willing and able to participate
You may not qualify if:
- Age under 18
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (1)
Massachusetts General Hospital
Boston, Massachusetts, 02114, United States
Study Officials
- PRINCIPAL INVESTIGATOR
Kyle R Eberlin, MD
Massachusetts General Hospital
Central Study Contacts
Study Design
- Study Type
- interventional
- Phase
- not applicable
- Allocation
- NA
- Masking
- NONE
- Purpose
- TREATMENT
- Intervention Model
- SINGLE GROUP
- Sponsor Type
- OTHER
- Responsible Party
- PRINCIPAL INVESTIGATOR
- PI Title
- Principal Investigator
Study Record Dates
First Submitted
May 30, 2023
First Posted
July 27, 2023
Study Start
August 1, 2023
Primary Completion
December 1, 2023
Study Completion
May 1, 2024
Last Updated
July 27, 2023
Record last verified: 2023-07
Data Sharing
- IPD Sharing
- Will not share