Clinical trials: Amputation
Amputation
Measures of Gait Efficiency of Three Multi-Axial, Vertical Shock and Energy Storing-Return Prosthetic Feet During Simple & Complex Mobility Activities
Many service members suffering major limb amputation(s) during active duty seek to return to active duty. The purpose of this study is to determine if biomechanic and/or bioenergtic differences exist between popular…
- Trial name
- NCT01404559
- Testing
- Ossur Variflex prosthetic foot, Ossur Ceterus prosthetic foot, Endolite Elite Blade prosthetic foot
- Where
- United States
- Volunteers
- 28 people, healthy volunteers welcome
- Sponsor
- University of South Florida
Amputation Stumps
A Comparative Analysis Between College Park Sidekick Feet and Conventional Stubby Prosthesis
The purpose of this study is to compare the College Park Sidekicks to conventional stubby prosthetics to investigate their effects on bilateral above-knee-amputee gait velocity, exertion, and balance.
- Trial name
- NCT02921295
- Testing
- Sidekick Stubbies
- Where
- United States
- Volunteers
- 1 people, healthy volunteers welcome
- Sponsor
- Angela DeCandia
Hemorrhage, Vascular Injury
A Transparent Elasticized Adhesive Occlusive Compression Bandage for Use as an Arterial Tourniquet
This cross-over study of twenty five (anticipated) healthy human subjects will utilize two active control devices, and two different widths of the investigational device.
- Trial name
- NCT02592655
- Testing
- Pneumatic Tourniquet, One Windlass Tourniquet, Two Windlass Tourniquets
- Where
- United States
- Volunteers
- 19 people, healthy volunteers welcome
- Sponsor
- Marcus Migura
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, 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.
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 Stumps, Neuroma
Pathophysiology of Post Amputation Pain
The purpose of this study is to see how Post Amputation Pain (PAP) affects the body and brain by using sensory testing (such as pinprick testing), taking pictures of your brain (using a functional magnetic resonance imaging…
- Trial name
- PPAP (NCT01632709)
- Testing
- Bupivacaine
- Where
- United States
- Volunteers
- 16 people, healthy volunteers welcome
- Sponsor
- Shirley Ryan AbilityLab
Peripheral Artery Disease, Amputation
Digital Ankle Brachial Index (ABI) as a Screening Tool in Detecting Peripheral Arterial Disease
Peripheral artery disease (PAD) affects 8-18 million in the US and is an economic burden, currently estimated to be greater than cancer and heart disease.
- Conditions
- Peripheral Artery Disease, Amputation, Smoking, Diabetes
- Trial name
- NCT03161327
- Testing
- ABI using QuantaFlo™
- Where
- United States
- Volunteers
- 238 people, healthy volunteers welcome
- Sponsor
- St. Louis University
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
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
Transfemoral Socket Design and Muscle Function
The objective of this pilot research project is to evaluate the effect of prosthetic socket design on amputated limb hip muscle strength and endurance in Service members, Veterans, and civilians who use above-the-knee prostheses.
- Trial name
- NCT04212299
- Testing
- Northwestern University Flexible Sub-Ischial Suction Socket (NU-FlexSIS)
- Where
- United States
- Volunteers
- 5 people, healthy volunteers welcome
- Sponsor
- University of Illinois Chicago
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.
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
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, 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
Transtibial Amputation
Metabolic Cost Savings for Transtibial Amputees Wearing the Controlled Energy Storage and Return (CESR) Foot
To determine if below-knee amputees will walk with better efficiency wearing a CESR foot which stores energy at heel strike and releases energy releases energy during push-off.
- Trial name
- NCT00494143
- Testing
- CESR Prosthetic Foot, typical prosthetic foot, standardized prosthetic foot
- Where
- United States
- Volunteers
- 7 people, healthy volunteers welcome
- Sponsor
- US Department of Veterans Affairs
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
Amputation
Virtual Neuroprosthesis: Restoring a Sense of Touch to Amputees
The overall goal of this project is to develop a virtual neuroprosthesis in which a facsimile of a neural implant is externalized and housed in a well-controlled microfluidic chamber, thereby abating the intrinsic limitations of…
- Trial name
- NCT03581448
- Testing
- Sensory Restoration During Prosthesis Control
- Where
- United States
- Volunteers
- 21 people, healthy volunteers welcome
- Sponsor
- Florida Atlantic University
Amputation
Optimizing Prosthetic and Bicycle Fit for Veterans With Transtibial Amputations
Bicycling is a promising form of low-impact exercise that could prevent/treat Type 2 diabetes. However, Veterans with transtibial amputations (TTAs) may not effectively utilize bicycling for rehabilitation and exercise due to…
- Trial name
- BestBikeFit (NCT03828331)
- Testing
- Prosthetic/Bicycle Configuration
- Where
- United States
- Volunteers
- 12 people, healthy volunteers welcome
- Sponsor
- VA Office of Research and Development
Amputation; Traumatic, Arm, Upper
Teleoperation Experimental Comparison With Able-bodied Subjects
To compare the use of the semi-autonomous control algorithm (condition 1) with the standard of care myoelectric system used with the TASKA prosthetic hand (condition 2).
- Trial name
- NCT05048394
- Testing
- Semi-autonomous myoelectric control algorithm, Standard-of-care myoelectric control algorithm
- Where
- United States
- Volunteers
- 11 people, healthy volunteers welcome
- Sponsor
- Point Designs