Clinical trials: Amputation of Knee, open to volunteers
Peripheral Arterial Disease
Randomized Clinical Trial for Ewing Amputation in the VA
This study follows the Pilot Investigation of Ewing Amputation for Veterans with PAD Undergoing a Below Knee Amputation. The 2 year pilot feasibility phase has concluded recruitment and enrollment.
- Trial name
- NCT05437562
- Testing
- Ewing Below Knee Amputation, Standard Below Knee Amputation
- Where
- 3 sites in United States
- Volunteers
- 120 people
- Sponsor
- VA Office of Research and Development
Amputation of Lower Limb Above Knee, Amputee
Bio Leg: Advancing Mobility (BAM)
Following transfemoral amputation, regaining functional mobility, particularly the ability to navigate curbs, ramps, long distances, and the ability to stand is challenging and often unattainable.
- Conditions
- Amputation of Lower Limb Above Knee, Amputee, Amputation
- Trial name
- BAM (NCT07613502)
- Testing
- Bio Leg
- Where
- United States
- Volunteers
- 12 people
- Sponsor
- University of Florida
Phantom Limb Pain After Amputation, Lower Limb Amputation Above Knee
Clinical Application Observation on the Evaluation of Phantom Limb Pain With the Suralis System
This study tests whether a vibration-based feedback device (Suralis) can reduce phantom limb pain in people with lower-leg amputations over 3 weeks.
- Conditions
- Phantom Limb Pain After Amputation, Lower Limb Amputation Above Knee, Lower Limb Amputation Below Knee, Lower Limb Amputation Knee
- Trial name
- NCT07324109
- Testing
- Vibrotactile sensory feedback
- Where
- Germany
- Volunteers
- 20 people
- Sponsor
- Median
Transfemoral Amputation
Evaluation of a Neural-Controlled Powered Prosthesis Across Diverse Real-World Tasks
The purpose of this study is to evaluate the performance and adaptability of a neural-controlled powered knee or ankle prosthesis across diverse real-world mobility tasks.
- Trial name
- NCT07204912
- Testing
- MIT Powered Leg
- Where
- United States
- Volunteers
- 10 people
- Sponsor
- Massachusetts Institute of Technology
Intrathecal, Dexmedetomidine
Intrathecal Dexmedetomidine-Fentanyl Combination Versus Fentanyl Alone as Adjuvant to Bupivacaine in Spinal Anesthesia for Above Knee Amputation in Sarcomas of Lower Extremity
The current work evaluated whether the combination of intrathecal dexmedetomidine and fentanyl provides superior postoperative analgesia to fentanyl alone when administered with hyperbaric bupivacaine.
- Conditions
- Intrathecal, Dexmedetomidine, Fentanyl, Bupivacaine
- Trial name
- NCT07276867
- Testing
- Fentanyl + Dexmedetomidine, Fentanyl
- Where
- Egypt
- Volunteers
- 58 people
- Sponsor
- National Cancer Institute, Egypt
Amputation, Transtibial Amputation - Unilateral
Influence of Prosthetic Foot Stiffness on Transtibial Osseointegrated Bone-Anchored Limb Outcomes
A clinical trial utilizing cross-over study design in which individuals with transtibial amputation using either a bone-anchored limb or standard socket prosthesis will perform activities of daily living with varying prosthetic…
- Conditions
- Amputation, Transtibial Amputation - Unilateral, Bone Anchored Devices, Osseointegration
- Trial name
- TBAL (NCT07263945)
- Testing
- As-prescribed prosthetic foot stiffness, A prosthetic foot that is two prosthetic foot stiffness categories stiffer than the stiffness of the as-prescribed prosthetic foot, A prosthetic foot that is two prosthetic foot stiffness categories softer than the stiffness of the as-prescribed prosthetic foot
- Where
- United States
- Volunteers
- 60 people
- Sponsor
- University of Colorado, Denver
Transfemoral Amputees
Early Rehabilitation After Transfemoral Amputation in Moderately Active Patients Using the Avior Knee
The goal of this clinical trial is to compare microprocessor-controlled knee prostheses in early rehabilitation in amputees with transfemoral amputations and low mobility (K I-II).
- Trial name
- NCT07898098
- Testing
- knee prothesis - Avior, knee prothesis - Kenevo
- Where
- Germany
- Volunteers
- 33 people
- Sponsor
- Median
Lower Limb Amputation Above Knee, Lower Limb Amputation Below Knee
Study on a Prosthetic Foot With Adjustable Heel Height
Most prosthetic feet have a fixed heel height, which requires users to always wear shoes with the same heel height. A fixed heel height is a significant constraint, whereas the ability to choose one's clothing freely is an…
- Trial name
- ADJUST (NCT07214493)
- Testing
- Taleo Adjust, The usual participant's foot
- Where
- 5 sites in France
- Volunteers
- 30 people
- Sponsor
- Otto Bock France SNC
Amputation, Lower Limb Amputation Below Knee (Injury)
Prosthetic Performance Enhancement Trial
The purpose of this research is to determine the feasibility of an uneven terrain walking program for lower limb prosthesis users.
- Conditions
- Amputation, Lower Limb Amputation Below Knee (Injury), Lower Limb Amputation Above Knee (Injury), Lower Limb Amputation at Ankle (Injury)
- Trial name
- PROSPER (NCT06419920)
- Testing
- Flat terrain locomotor training, Uneven terrain locomotor training
- Where
- United States
- Volunteers
- 35 people
- Sponsor
- University of Nevada, Las Vegas
Transfemoral Amputation
Assessment of Strength, Balance, and Function in Above-Knee Amputees in Relation to Residual Limb Length
The goal of this observational study is to learn how muscle strength, balance, and functional ability are affected in people with above-knee (transfemoral) amputations.
- Trial name
- NCT07032233
- Where
- Turkey (Türkiye)
- Volunteers
- 15 people
- Sponsor
- Ceren Kuzu
Amputation
Effectiveness of Frontal Plane Adaptability in a Novel Foot Prosthesis
People with lower extremity amputation (LEA) have persistent problems with balance, falls, residual limb pain, functional mobility, cognitive attention during gait, and satisfaction with participation in daily activities, despite…
- Trial name
- NCT06214026
- Testing
- META-Arc foot locked, META-Arc foot unlocked
- Where
- 3 sites in United States
- Volunteers
- 96 people
- Sponsor
- University of Washington
Prosthesis, Lower Limb Amputation Knee
Clinical and Functional Assessment of Patients With Transfemoral Amputation Treated With Osteointegrated Implant
Limb amputation is a traumatic event that significantly reduces the ability to perform daily activities, impairs mobility, and lowers quality of life.
- Conditions
- Prosthesis, Lower Limb Amputation Knee, Amputation; Traumatic, Leg, Lower
- Trial name
- OSTEO-OUTCOME (NCT06737770)
- Testing
- osseointegrated surgery for transfemoral amputation
- Where
- Italy
- Volunteers
- 15 people
- Sponsor
- Istituto Ortopedico Rizzoli
Amputation, Prosthesis User
Effects of Microprocessor-controlled Prosthetic Knees on Fall-related Health Outcomes in Limited Community Ambulators
The goal of this study is to find out if using microprocessor-controlled prosthetic knees (MPKs), prosthetic knees with a built-in computer, improves health outcomes related to falls in adults who use above-knee prostheses.
- Conditions
- Amputation, Prosthesis User, Amputation; Traumatic, Leg: Thigh, Between Hip and Knee, Limb; Absence, Congenital, Lower
- Trial name
- NCT06937242
- Testing
- Ottobock C-Leg 4 Microprocessor Knee, Ottobock Kenevo
- Where
- United States
- Volunteers
- 100 people
- Sponsor
- Hanger Institute for Clinical Research and Education, LLC
Analgesia Assessment, Above Knee Amputation
The Analgesic Efficacy of Dexmedetomidine Versus Fentanyl as an Adjuvant to Bupivacaine in Ultrasound Guided Peripheral Nerve Blocks as a Solo Anesthetic Technique in High Risk Patients Undergoing Unilateral Above Knee Amputation .
The aim of this study is to compare the analgesic efficacy and safety of dexmedetomidine versus fentanyl as adjuvants to bupivacaine in ultrasound-guided combined supra-inguinal fascia iliaca and proximal sciatic nerve blocks…
- Conditions
- Analgesia Assessment, Above Knee Amputation, Fentanyl vs Dexmedetomidine
- Trial name
- NCT07640516
- Testing
- Dexmedetomidine, Fentanyl (as Citrate)
- Where
- Egypt
- Volunteers
- 64 people
- Sponsor
- Kasr El Aini Hospital
Lower Limb Amputation Above Knee (Injury)
Assessment of the Prosthetic System Impact on Mental Workload in Above-knee Lower Limb Amputees.
New generation of lower limb prosthesis provide improved functionalities. They are usually studied in the scope of biomechanics, sometimes PROMs like quality of life.
- Trial name
- INCREMENT (NCT06635655)
- Where
- France
- Volunteers
- 9 people
- Sponsor
- Proteor Group
Amputation, Amputation; Traumatic, Leg, Lower
Clinical Outcomes With Non-Powered vs. Powered Prosthetic Knees by K2-level Amputees
The goal of this proposed project is to gather community-based data from the K2-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
- NCT06194838
- Testing
- Ossur Power Knee, Reboocon Intuy Knee
- Where
- United States
- Volunteers
- 26 people
- Sponsor
- Liberating Technologies, Inc.
Transfemoral Amputation
Metabolic Cost of Walking With Passive vs. Powered Prosthetic Knees Among Persons With Limb Loss
The purpose of this industry-initiated research study is to test that a powered microprocessor controlled knee improves metabolic function during walking in level and sloped conditions as compared to the subject's physician…
- Trial name
- NCT05831696
- Testing
- Powered Microprocessor-controlled Knee (PMPK)
- Where
- United States
- Volunteers
- 12 people
- Sponsor
- Loma Linda University
Postoperative Pain
Unilateral Spinal Anesthesia vs Popliteal-Adductor Canal Block for Below-knee Amputation
To compare the mean duration of postoperative analgesia between unilateral spinal anaesthesia and combined popliteal sciatic nerve block with adductor canal block in diabetic patients undergoing below-knee amputation.
- Trial name
- NCT07854158
- Testing
- 0.5 % hyperbaric Bupvicaine, 15 ml of 0.5 bupvicaine
- Where
- Pakistan
- Volunteers
- 68 people, healthy volunteers welcome
- Sponsor
- Sargodha Medical College
Lower Limb Amputation Below Knee (Injury)
Restoration of Normative Postural Control
The objective of this proposal is to investigate the effects of training to use direct electromyographic (dEMG) control of a powered prosthetic ankle on transtibial amputees'. The aimed questions to answer: 1.
- Trial name
- NCT06452186
- Testing
- direct EMG controlled prosthetic ankle, PT guided prosthetic training
- Where
- United States
- Volunteers
- 50 people
- Sponsor
- North Carolina State University
Amputation
Combined Local Anesthetic Blockade and Neuromodulation vs Local Anesthetic Blockade Only for Analgesia After Below-knee Amputation: RCT
This multi-site clinical trial aims to assess the efficacy and safety of combining peripheral nerve stimulation with local anesthetic nerve blockade compared to the standard of care, i.e., local anesthetic blockade only using…
- Trial name
- NCT06964347
- Testing
- Ropivacaine 0.2% + nerve stimulator set, Ropivacaine 0.2%
- Where
- 4 sites in United States, Canada
- Volunteers
- 62 people
- Sponsor
- Stanford University