Clinical trials: Amputations
Lower Limb Amputation Above Knee, Below Knee Amputation
Determining the Effects of Ischemic Conditioning and Neuromuscular Electrical Stimulation on Overall Function After Lower Limb Amputation
The goal of this clinical trial is to learn if ischemic conditioning and neuromuscular electrical stimulation improves muscle strength and walking behavior in those with limb loss.
- Trial name
- NCT07664995
- Testing
- Blood pressure cuff, Neuromuscular Electrical Stimulation
- Where
- United States
- Volunteers
- 24 people
- Sponsor
- University of Illinois at Chicago
Amputation, Diabetes Complications
Measuring Plantar Pressures in Diabetic Patients With Lateral Forefoot Amputation
This study aims to understand how pressure is placed on the bottom of the foot when people walk after a lateral forefoot amputation (for example, removal of the 5th toe).
- Conditions
- Amputation, Diabetes Complications, Foot Complications, Biomechanics
- Trial name
- NCT07865208
- Where
- 2 sites in Singapore
- Volunteers
- 70 people
- Sponsor
- Nanyang Technological University
Transfemoral Amputation, Limb Loss
Effect of a Microprocessor-controlled Prosthetic Knee Joint on K2 Level Ambulators
Microprocessor-controlled knees (MPKs) automatically adjust resistance or damping in the joint to improve swing- and/or stance-phase control as appropriate for the prosthesis user during gait.
- Conditions
- Transfemoral Amputation, Limb Loss, Limb Absence
- Trial name
- MPK-K2 (NCT07103798)
- Testing
- College Park ICON, Conventional NMPK
- Where
- 2 sites in United States
- Volunteers
- 20 people
- Sponsor
- VA Office of Research and Development
Transtibial Amputee, Transtibial Amputation
Feasibility Study Evaluating the Safety and Effectiveness of Magnetic Bead Tracking System When Used With a Bionic External Prosthesis
The investigation is an early feasibility study in up to 5 subjects, in which the primary objective is to capture preliminary safety and effectiveness information on the Magnetic Bead Tracking system.
- Trial name
- NCT07195461
- Testing
- Magnetic Bead Tracking System
- Where
- United States
- Volunteers
- 3 people
- Sponsor
- MuscleMetrix, LLC
Transfemoral Amputation
An Osseointegrated Transfemoral Prosthesis Offering Long-Term Bi-Directional Efferent-Afferent Neural Transmission
The purpose of the study is to investigate the clinical and functional outcomes of a transfemoral amputation with osseointegrated titanium implant, AMI muscle constructs, and implanted electrodes in the domain of gait, free space…
- Trial name
- NCT07615465
- Testing
- MIT Powered Knee Prosthesis
- Where
- United States
- Volunteers
- 2 people
- Sponsor
- Massachusetts Institute of Technology
Neuroma, Phantom Limb Pain After Amputation
Ultrasound-Guided Platelet-Rich Plasma Versus Local Anesthetic Injection for Chronic Neuroma Pain After Combat-Related Amputation
Patients with combat-related amputations frequently experience chronic neuroma pain that may interfere with rehabilitation, prosthesis use, mobility, sleep, and quality of life.
- Conditions
- Neuroma, Phantom Limb Pain After Amputation, Stump Pain, Platelet-rich Plasma (PRP)
- Trial name
- PRP-NEUROMA (NCT07624890)
- Testing
- Platelet-Rich Plasma (PRP) Injections, Local Anesthetic Injection
- Where
- 2 sites in Ukraine
- Volunteers
- 100 people
- Sponsor
- Ukrainian Society of Regional Anesthesia and Pain Therapy
Prosthesis User, Prosthesis
Optimize Pattern Recognition Control of Powered Upper Limb Prosthesis
This study is focused on optimizing methods for controlling upper-limb myoelectric prosthetic arms. If you are enrolled in this study you would be expected to visit one of the research sites for approximately 5 in-lab visits…
- Conditions
- Prosthesis User, Prosthesis, Prosthetic, Upper Limb Amputation
- Trial name
- NCT07850544
- Testing
- Condition A: Electrode Configuration, Condition B: Electrode Configuration, Condition C: Electrode Configuration
- Where
- 2 sites in United States
- Volunteers
- 32 people
- Sponsor
- Liberating Technologies, Inc.
Postamputation Pain, Lower Limb Amputation
Acute Post-Amputation Pain Management After Combat-Related Lower Limb Injury
Acute post-amputation pain remains a significant clinical challenge in patients with combat-related lower limb injuries and may negatively affect early rehabilitation, mobility, and opioid consumption.
- Conditions
- Postamputation Pain, Lower Limb Amputation, Combat Trauma
- Trial name
- APAPMACRLLI (NCT07863921)
- Testing
- Continuous Peripheral Nerve Blocks, Peripheral Nerve Cryoablation, Standard multimodal analgesia
- Where
- Ukraine
- Volunteers
- 36 people
- Sponsor
- Kharkiv National Medical University
Limb Amputation, Extremity Amputation
Vascularized Composite Allotransplantation for Multiple Extremity Amputations
Limb transplantation surgery is the transfer of one or more limbs from a deceased human donor to a patient with single or multiple limb amputation.
- Trial name
- NCT01293214
- Testing
- Limb transplantation
- Where
- United States
- Volunteers
- 10 people
- Sponsor
- Brigham and Women's Hospital
Amputation, Lower Limb
Reliability and Validity of Continuous Inter-limb Stability
To date, there is no valid and reliable measure of continuous inter-limb stability available to healthcare teams treating people with lower limb loss.
- Trial name
- CS (NCT06987019)
- Testing
- 3D motion capture, wearable devices, and functional outcome measures
- Where
- United States
- Volunteers
- 20 people
- Sponsor
- VA Office of Research and Development
Amputation Stump, Burn Injury
Hypertrophic Scar Prosthetic Pressure in Burn Amputee
Amputation following burn injury is rare but complex, affecting predominantly younger individuals with extensive burns, particularly electrical injuries, and often resulting in residual limbs characterized by scarring…
- Conditions
- Amputation Stump, Burn Injury, Pressure Distribution, Pressure Injuries
- Trial name
- NCT07850557
- Testing
- Skin assessment of prothesis interface and control area, Interface pressure
- Where
- Canada
- Volunteers
- 12 people
- Sponsor
- Centre hospitalier de l'Université de Montréal (CHUM)
Amputation, Prosthesis User
Optimizing Prosthetic Prescription to Mitigate the Effects of Perspiration
The specific aim of this research is to compare three clinically available liners, each intended to address problems of residual limb perspiration, with the as-prescribed liner of lower limb prosthesis user and determine their…
- Trial name
- NCT07024342
- Testing
- Liner perforated with very small diameter holes, Liner perforated with somewhat larger diameter holes, Liner-liner
- Where
- United States
- Volunteers
- 180 people
- Sponsor
- VA Puget Sound Health Care System
Lower Limb Amputation
Exploratory Functional Assessment After Lower Limb Amputation: Locomotion, Balance, Energy Performance and Strategies for Adapting to Orthopaedic Devices
The general aim of this exploratory study is therefore to investigate and quantify the functional capacities of patients with lower limb amputations (transtibial and transfemoral), with no change in their management, and to…
- Trial name
- AMILOCO (NCT07094074)
- Testing
- Walk tests, Functional testing, Balance analysis
- Where
- France
- Volunteers
- 100 people
- Sponsor
- Centre Hospitalier Universitaire Dijon
Cognitive Games, Sports Performance
Development of a Performance Model for Amputee Football Players
This study aims to investigate the effects of a cognitive game-based exercise program on cognitive and physical performance in amputee football players.
- Conditions
- Cognitive Games, Sports Performance, Lower Limb Amputation
- Trial name
- NCT07840781
- Testing
- Gince Intelligence Game-Based Exercise Program, Routine Training Group
- Where
- Turkey (Türkiye)
- Volunteers
- 20 people
- Sponsor
- Tarsus University
Transfemoral Amputation, Limb Loss
A Biomechanical Evaluation of the Ossur Power Knee in Persons With Transfemoral Amputation
Microprocessor-controlled knees (MPKs) do not typically utilize motors to power joint rotation, but they automatically adjust resistance or damping in the joint to improve swing- and/or stance-phase control as appropriate for the…
- Conditions
- Transfemoral Amputation, Limb Loss, Limb Absence
- Trial name
- OPKTFA (NCT06218238)
- Testing
- Powered prosthetic knee joint, Conventional microprocessor-controlled prosthetic knee joint
- Where
- United States
- Volunteers
- 20 people
- Sponsor
- VA Office of Research and Development
Amputation
Training Independent Muscle Activation From a Common Source
In this study, the investigators are evaluating a new surgical technique that may allow participants to control their muscles in a new way after their amputation or revision surgery.
- Trial name
- NCT07831278
- Testing
- amputation or revision procedure with additional RPNI construction
- Where
- 2 sites in United States
- Volunteers
- 10 people
- Sponsor
- Brigham and Women's Hospital
Lower Limb Amputation
The Role of Visual Attention and Environmental Complexity in Real-world Mobility for People With Lower Limb Amputation
Despite high medical expenses (>$500K/patient), mobility improvements achieved during rehabilitation for people with lower limb amputation (LLA) fail to translate into improved real-world outcomes.
- Trial name
- NCT07831707
- Testing
- Comprehensive assessment of walking patterns and functional mobility, Comprehensive assessment of eye movements during walking, Questionnaire Assessments completed
- Where
- United States
- Volunteers
- 30 people
- Sponsor
- Virginia Commonwealth University
Lower Extremity Surgical Amputation, Post-amputation Phantom Limb Pain
Improving Postamputation Functioning by Decreasing Phantom Pain With Perioperative Continuous Peripheral Nerve Blocks: A Department of Defense Funded Multicenter Study
When a limb is amputated, pain perceived in the part of the body that no longer exists often develops, called "phantom limb" pain.
- Trial name
- NCT03461120
- Testing
- Experimental continuous peripheral nerve blocks, Control continuous peripheral nerve blocks
- Where
- 8 sites in United States
- Volunteers
- 208 people
- Sponsor
- University of California, San Diego
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
Controlling Locomotion Over Continuously Varying Activities for Agile Powered Prosthetic Legs
The overall goal of this project is to model human joint biomechanics over continuously-varying locomotion to enable adaptive control of powered above-knee prostheses.
- Trial name
- NCT06138977
- Testing
- Powered prosthesis
- Where
- United States
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- University of Michigan