Clinical trials: Extremity Amputation
Postoperative Pain
Peripheral Nerve Blocks for Major Lower Extremity Amputations
This study will be a double-blinded randomized controlled trial analyzing all patients who will undergo major lower extremity amputations by the vascular surgery service at University of California, San Francisco (UCSF) Fresno…
- Trial name
- NCT03174782
- Testing
- Bupivacaine, Saline Solution
- Where
- United States
- Volunteers
- 42 people, healthy volunteers welcome
- Sponsor
- University of California, San Francisco
Traumatic Amputation of Lower Extremity
Effects of Wearing a Powered Ankle-Foot Prosthesis on Amputee Walking
Amputees wearing a conventional prosthesis require 20-30% more metabolic energy to walk at the same speeds as non-amputees and this discrepancy is more apparent at faster walking speeds.
- Trial name
- NCT00869947
- Testing
- Powered ankle-foot prosthesis, No device
- Where
- United States
- Volunteers
- 16 people, healthy volunteers welcome
- Sponsor
- US Department of Veterans Affairs
Amputation, Diabetes
Vacuum Suspension: Effects on Tissue Oxygenation, Activity and Fit
The fit of the residual limb within a prosthetic socket is a primary concern for many amputees. A poor fit can lead to skin irritation, tissue breakdown, and pain.
- Conditions
- Amputation, Diabetes, Leg Injuries, Traumatic Amputations
- Trial name
- NCT00117793
- Testing
- Total Surface Bearing Suction Socket, Vacuum assisted socket system
- Where
- United States
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- US Department of Veterans Affairs
Amputation
A Unique Body-Powered Terminal Device With Enhanced Grasping Capabilities for Individuals With Upper Limb Loss
We have developed a novel terminal device for a prosthetic arm that eliminates the functional tradeoffs seen in body-powered voluntary open devices.
- Trial name
- NCT07254247
- Testing
- Novel Prosthetic Hook, Control Hook (Light Spring), Control Hook (Heavy Spring)
- Where
- United States
- Volunteers
- 8 people, healthy volunteers welcome
- Sponsor
- Little Room Innovations, LLC
Amputation
Agonist-Antagonist Myoneural Interface for Functional Limb Restoration After Transtibial Amputation
This study involves the functional testing of a new lower extremity prosthesis by healthy, active participants with fully healed transtibial (below knee) amputations.
- Trial name
- NCT03913273
- Testing
- AMI transtibial amputation, Standard transtibial amputation
- Where
- United States
- Volunteers
- 14 people, healthy volunteers welcome
- Sponsor
- Massachusetts Institute of Technology
Diabetes Mellitus, Leg Injuries
Prosthetic Components and Stability in Amputee Gait
The biomechanics of changing direction while walking has been largely neglected despite its relevancy to functional mobility. In addition, an increased risk of injury can be associated with turning due to a decrease in stability.
- Conditions
- Diabetes Mellitus, Leg Injuries, Traumatic Amputation
- Trial name
- NCT00167778
- Testing
- Transverse plane rotation adaptor pylon, Rigid pylon
- Where
- United States
- Volunteers
- 12 people, healthy volunteers welcome
- Sponsor
- US Department of Veterans Affairs
Amputation, Amputation; Traumatic, Hand
Dexterous Partial Hand Prosthesis Outcomes
Liberating Technologies, Inc. (LTI) has developed a dexterous prosthetic fingertip that will be fit onto an i-Digits™ partial hand prosthesis and allow for an additional fine grasp.
- Conditions
- Amputation, Amputation; Traumatic, Hand, Limb; Absence, Congenital, Upper, Prosthesis User
- Trial name
- NCT05038566
- Testing
- Pointdexter
- Where
- 2 sites in United States
- Volunteers
- 4 people, healthy volunteers welcome
- Sponsor
- Liberating Technologies, Inc.
Upper Limb Amputation
Functional Performance of Voluntary Opening and Closing Body Powered Prostheses
This study will compare the functional performance of voluntary opening (VO) and voluntary closing (VC) body powered prostheses.
- Trial name
- NCT02136238
- Testing
- Hosmer 5XA voluntary opening hook, TRS Grip 3 voluntary closing hook
- Where
- United States
- Volunteers
- 18 people, healthy volunteers welcome
- Sponsor
- University of South Florida
Trauma
Investigating Outcomes of Lower Limb Trauma
This is an observational study, which aims to firstly develop a sensor-based objective mobility assessment. This will then be used to profile and compare the outcomes of patients who undergo amputation with those who have limb…
- Trial name
- NCT01691950
- Where
- United Kingdom
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Imperial College London
Amputation, Elderly
Falls in Older Persons With Limb Loss
Lower limb prosthesis users are known to be at a substantially increased fall risk compared to able-bodied individuals. The interaction between increased fall risk, reduced balance confidence and high prevalence of a fear of…
- Trial name
- FOPLL (NCT03670004)
- Where
- United States
- Volunteers
- 23 people, healthy volunteers welcome
- Sponsor
- VA Office of Research and Development
Amputation
Does Walking Performance Improve When Veterans With Leg Amputations Are Given Visual Feedback?
Previous studies suggest that Veterans with below the knee amputation using passive-elastic or powered prostheses have impaired physical function, which could increase the risk of osteoarthritis, leg/back pain, and…
- Trial name
- NCT03974945
- Testing
- Passive-elastic prosthetic foot, Powered ankle-foot prosthesis
- Where
- United States
- Volunteers
- 12 people, healthy volunteers welcome
- Sponsor
- VA Office of Research and Development
Amputation Stumps, Amputees
Moisture Management Liner Effectiveness Study
The comfort and fit of the residual limb within a prosthetic socket are of primary concern for many amputees. The residual limb is typically covered by non-breathable and non- thermally conductive materials that can create a warm…
- Conditions
- Amputation Stumps, Amputees, Amputation, Lower Limb Deformities, Congenital
- Trial name
- NCT04427007
- Testing
- Moisture Management Liner, Control Liner
- Where
- United States
- Volunteers
- 2 people, healthy volunteers welcome
- Sponsor
- Liberating Technologies, Inc.
Amputation Wound, Traumatic Amputation of Toe
Longitudinal Study of Weight Change Following Lower Limb Amputation
The purpose of this study is to assess weight change in a population of Veterans with amputations. Little is known about the how weight changes following an amputation.
- Conditions
- Amputation Wound, Traumatic Amputation of Toe, Dysvascular Amputation of Lower Limb
- Trial name
- NCT00932399
- Where
- United States
- Volunteers
- 4,549 people, healthy volunteers welcome
- Sponsor
- VA Office of Research and Development
Lower Limb Amputation, Drop Foot
Evaluating Mobility Interventions in the Real World
This study is intended to test the comparative biomechanical benefits of different lower-limb prostheses and orthoses using data collected over extended periods of everyday life using wearable sensors.
- Trial name
- NCT04275973
- Testing
- Lower limb prostheses, Orthoses for Drop-foot
- Where
- United States
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- University of Wisconsin, Madison
Amputation, Amputation; Traumatic, Leg, Lower
Socket Cooling Effectiveness Take Home Study
The comfort and fit of the residual limb within a prosthetic socket are of primary concern for many amputees. The residual limb is typically covered by non-breathable and non- thermally conductive materials that can create a warm…
- Conditions
- Amputation, Amputation; Traumatic, Leg, Lower, Amputation Stump, Limb; Absence, Congenital, Lower
- Trial name
- NCT04484805
- Testing
- ICE Condition
- Where
- 2 sites in United States
- Volunteers
- 12 people, healthy volunteers welcome
- Sponsor
- Liberating Technologies, Inc.
Amputation, Traumatic, Traumatic Amputation of Lower Extremity
What is the Optimal Stiffness and Height of a Running-specific Prosthesis?
The proposed study aims to characterize the effects of running-specific leg prosthetic stiffness and height during on performance during running and sprinting to optimize running-specific prosthesis prescription.
- Conditions
- Amputation, Traumatic, Traumatic Amputation of Lower Extremity, Wounds and Injuries
- Trial name
- NCT02318979
- Testing
- Otto Bock prosthesis, Ossur prosthesis, Freedom Innovations prosthesis
- Where
- United States
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- VA Eastern Colorado Health Care System
Amputation
Upper Limb Loss Perturbation Response
Recent investigations have suggested that persons with upper limb loss experience a high prevalence of falls with a quarter of reported falls resulting from a trip.
- Trial name
- NCT04274218
- Testing
- Perturbation
- Where
- United States
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- VA Office of Research and Development
Amputation, Amputation; Traumatic, Leg, Lower
Clinical Outcomes With Passive MPKs vs. Powered Prosthetic Knees
The goal of this proposed project is to gather community-based data from the K4-level Transfemoral Amputee (TFA) population to aid in evidence-based prescription of powered prosthetic knees (i.e., choosing the right device to…
- Conditions
- Amputation, Amputation; Traumatic, Leg, Lower, Limb; Absence, Congenital, Lower, Prosthesis User
- Trial name
- NCT05267639
- Testing
- Power Knee
- Where
- 2 sites in United States
- Volunteers
- 13 people, healthy volunteers welcome
- Sponsor
- Liberating Technologies, Inc.