Clinical trials: Amputations
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
Unilateral Transfemoral Amputation
Study of Medial-Lateral Center of Pressure Displacement in Unilateral Transfemoral Amputees
The purpose of this study is to examine the path and velocity of the center of mass (CoM) and center of pressure (CoP) during double support of persons walking with a unilateral above-the-knee prosthesis and determine the effects…
- Trial name
- NCT02299674
- Testing
- Level overground ambulation
- Where
- United States
- Volunteers
- 3 people
- Sponsor
- Southern California Institute for Research and Education
Amputation; Traumatic, Hand
Functional Outcomes of Single Digit Replantation Versus Revision Amputation
The purpose of this study is to compare functional outcomes in single digit replantation subjects compared with revision amputation.
- Trial name
- NCT05155735
- Testing
- Replantation, Primary wound closure
- Where
- Canada
- Volunteers
- 30 people
- Sponsor
- Centre hospitalier de l'Université de Montréal (CHUM)
Prosthesis User, Amputation
Connect TF - An Investigation of Function and Usability of a New Adaptable Socket System
The primary objective of this investigation is to evaluate how the CONNECT TF compares to traditional handmade sockets, specifically that it provides reliable suspension and improved usability and comfort for the amputee, and…
- Trial name
- NCT04388488
- Testing
- CONNECT TF adaptable socket system, Any conventional handmade socket
- Where
- 2 sites in United States
- Volunteers
- 9 people
- Sponsor
- Össur Iceland ehf
Amputation Wound
Transcutaneous Oximetry, Transcutaneous Carbon Dioxide and Supplemental Oxygen Therapy in Lower Limb Amputations
TCOM is a multicentre prospective cohort study in patients undergoing lower limb amputations. Patients will provide oxygen and carbon dioxide measurements in the lower limb for 20 to 30 minutes before their surgery and will be…
- Trial name
- TCOM (NCT01703182)
- Where
- Canada
- Volunteers
- 41 people
- Sponsor
- Population Health Research Institute
Amputation, Traumatic
Rectus Femoris Thickness Measurement in Unilateral Transtibial Amputated Prosthesis Users
Knee extension strengthening is one of the cornerstones of rehabilitation in prosthesis users with transtibial amputation. It is recommended in terms of increasing functional mobility, preventing the risk of fall and knee…
- Trial name
- NCT04262297
- Where
- Turkey (Türkiye)
- Volunteers
- 28 people, healthy volunteers welcome
- Sponsor
- Marmara University
Amputation, Open Wound
Patterned Electric Dressing Effects on Open Wounds
1. This study is a pilot feasibility study to determine treatment effects to estimate sample size for future studies that evaluate wound bacteria colonization. 2.
- Trial name
- PED (NCT04018469)
- Testing
- No Interventions
- Where
- United States
- Sponsor
- Gayle Gordillo
Amputation, Chronic Pain
Efficacy of Opioids and Mexiletine for the Treatment of Postamputation Pain
Persistent pain occurs in 50-85 percent of patients who experience the amputation of an extremity. This study will compare the effectiveness of morphine and mexiletine to placebo in the treatment of postamputation pain.
- Trial name
- NCT00383682
- Testing
- morphine and mexiletine
- Where
- United States
- Volunteers
- 60 people
- Sponsor
- Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)
Polymorphism-Genetic, Amputation
Genetics and Phantom Limb Pain
Background: Many people who lose a limb feel pain in the missing limb. This feeling is called phantom limb pain. Researchers do not fully understand what causes this pain. Differences in people's genes may play a role.
- Conditions
- Polymorphism-Genetic, Amputation, Pain
- Trial name
- NCT01517061
- Sponsor
- National Institute of Nursing Research (NINR)
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, PTSD
Evacuation Time and Tourniquet Use as Risk Factors for PTSD in Combat-Related Amputation
This study aims to evaluate the relationship between evacuation time, tourniquet use, and the development of post-traumatic stress disorder (PTSD) in patients with combat-related amputations.
- Conditions
- Amputation, PTSD, Combat Posttraumatic Stess Disorder, Combat Trauma
- Trial name
- EVAC-PTSD Stud (NCT07502313)
- Where
- Ukraine
- Volunteers
- 300 people
- Sponsor
- Charitable Organisation Charitable Fund Superhumans (Co Cf Superhumans)
Amputation
Assessing Ambulatory and Non-ambulatory Community Mobility in People With Lower Limb Amputation
Mobility is a fundamental aspect of daily life, enabling individuals to participate in social, occupational, and recreational activities.
- Trial name
- NCT07387744
- Testing
- Clinical Descriptive Measures related to amputation collected, GPS device education/distributed, activPAL device education/distributed
- Where
- United States
- Volunteers
- 50 people
- Sponsor
- Virginia Commonwealth University
Amputation, Prosthesis User
Metabolic Cost of Walking With Passive vs. Powered Microprocessor Controlled Knees
This study is conducted to evaluate the efficacy of the Power Knee Mainstream Dynamic compared to passive microprocessor-controlled knees (MPKs) regarding metabolic cost for high active transfemoral amputees.The test is of a…
- Trial name
- NCT05048355
- Testing
- Power Knee Mainstream Dynamic, Passive microprocessor controlled knee
- Where
- 2 sites in Germany, Iceland
- Volunteers
- 15 people
- Sponsor
- Össur Iceland ehf
Osseointegrated Implants, Bone Mineral Density
Osseointegrated Transdermal Femoral Amputation Prostheses
Femur amputated patients often suffer from several problems with conventional socket prosthesis. Some experience changes in gait, discomfort when sitting, altered skin conditions (infection, irritation, rashes, sweat), phantom…
- Trial name
- NCT05736640
- Testing
- Denosumab
- Volunteers
- 6 people
- Sponsor
- University of Aarhus
Prosthesis User, Congenital Amputation of Upper Limb
Pattern Recognition Prosthetic Control
Many different factors can degrade the performance of an upper limb prosthesis users control with electromyographic (EMG)-based pattern recognition control.
- Conditions
- Prosthesis User, Congenital Amputation of Upper Limb, Amputation; Traumatic, Limb
- Trial name
- Adaptation (NCT04272489)
- Testing
- EMG-Pattern Recognition Controller
- Where
- United States
- Volunteers
- 9 people
- Sponsor
- Coapt, LLC
Amputations, Diabetes
Clinical Trial of Footwear in Patients With Diabetes
A Seattle VA study indicated lower extremity ulcers preceded 84% of diabetic amputations. Nearly half of the events that ban the causal chain leading to ulcers and amputation were initiated by ill-fitting footwear.
- Conditions
- Amputations, Diabetes, Lower Extremity Ulcers
- Trial name
- NCT00032864
- Sponsor
- US Department of Veterans Affairs
Fall Prevention, Balance, Falls
Evaluating Methods to Replicate Stumbles and Slips During Walking
This protocol outlines a study designed to investigate three different methodologies for inducing gait perturbations. Subjects will be divided into two groups: prosthetic users and able-bodied individuals.
- Conditions
- Fall Prevention, Balance, Falls, Amputation of Lower Limb
- Trial name
- NCT07175714
- Testing
- Methodologies to induce gait perturbations
- Where
- 2 sites in Iceland
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Össur Iceland ehf
Transfemoral Amputation
Personalizing MPK Prescription
In current clinical prosthetic practice, there is no evidence based method for selecting a microprocessor knee (MPK) joint for a patient with an above the knee amputation.
- Trial name
- NCT06399471
- Testing
- Microprocessor prosthetic knee
- Where
- United States
- Volunteers
- 11 people
- Sponsor
- Georgia Institute of Technology
Diabetic Foot, Gangrene; Limb
MetaMet: Bone Cutter Versus Bone Saw for Ray Amputation
Toe amputation is a commonly performed operation for infection and/or ischaemia (tissue death due to lack of blood flow). However, a large number of patients having this surgery ultimately require further amputation due to poor…
- Conditions
- Diabetic Foot, Gangrene; Limb, Wound Infection, Wound Healing Delayed
- Trial name
- MetaMet (NCT05804565)
- Testing
- Bone Saw, Bone Cutter
- Where
- Ireland
- Volunteers
- 40 people
- Sponsor
- University College Hospital Galway
Transfemoral Amputation
Osseointegrated Prostheses for the Rehabilitation of Amputees
Patients with transfemoral amputations (TFA) frequently experience problems related to the use of socket-suspended prostheses 1-3. These problems increase with short or deformed stumps 4.
- Trial name
- OPRA (NCT01725711)
- Testing
- OPRA Implant System
- Where
- Sweden
- Volunteers
- 51 people
- Sponsor
- Integrum