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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Transfemoral Amputation Clear all
Completed Not applicable Interventional Results available

Comparative Effectiveness Between Microprocessor Knees and Non-Microprocessor Knees

NCT02240186
View directory record Official record
Conditions
Lower Limb Amputation Above Knee (Injury)
Interventions
Microprocessor Knee (MPK), Non-Microprocessor Knee (NMPK)
Device
Lead sponsor
Mayo Clinic
Other
Eligibility
55 Years and older
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2017
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Dec 11, 2018 · Synced Sep 17, 2026, 4:08 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Clinical Outcomes With Passive MPKs vs. Powered Prosthetic Knees

NCT05267639
View directory record Official record
Conditions
Amputation, Amputation; Traumatic, Leg, Lower, Limb; Absence, Congenital, Lower, Prosthesis User, Lower Limb Amputation Above Knee (Injury), Amputation; Traumatic, Leg: Thigh, Between Hip and Knee
Interventions
Power Knee
Device
Lead sponsor
Liberating Technologies, Inc.
Industry
Eligibility
18 Years and older
Enrollment
13 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2024
U.S. locations
2
States / cities
Holliston, Massachusetts • Austin, Texas
Source: ClinicalTrials.gov public record
Updated Jun 25, 2025 · Synced Sep 17, 2026, 4:08 AM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Mobile Device Outcomes-based Rehabilitation Program

NCT02891707
View directory record Official record
Conditions
Transfemoral Amputation, Transtibial Amputation
Interventions
Rehabilitative Lower-limb Orthopedic Accommodating-feedback Device (ReLOAD)
Device
Lead sponsor
Henry M. Jackson Foundation for the Advancement of Military Medicine
Other
Eligibility
20 Years to 80 Years
Enrollment
150 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2020
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jun 10, 2019 · Synced Sep 17, 2026, 4:08 AM EDT
Recruiting Not applicable Interventional

Effects of Microprocessor-controlled Prosthetic Knees on Fall-related Health Outcomes in Limited Community Ambulators

NCT06937242
View directory record Official record
Conditions
Amputation, Prosthesis User, Amputation; Traumatic, Leg: Thigh, Between Hip and Knee, Limb; Absence, Congenital, Lower, Lower Limb Amputation Above Knee (Injury), Lower Limb Amputation Above Knee
Interventions
Ottobock C-Leg 4 Microprocessor Knee, Ottobock Kenevo
Device
Lead sponsor
Hanger Institute for Clinical Research and Education, LLC
Industry
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
Austin, Texas
Source: ClinicalTrials.gov public record
Updated Feb 4, 2026 · Synced Sep 17, 2026, 4:08 AM EDT
Recruiting Not applicable Interventional

Bio Leg: Advancing Mobility (BAM)

NCT07613502
View directory record Official record
Conditions
Amputation of Lower Limb Above Knee, Amputee, Amputation
Interventions
Bio Leg
Device
Lead sponsor
University of Florida
Other
Eligibility
40 Years to 70 Years
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
Jacksonville, Florida
Source: ClinicalTrials.gov public record
Updated Jul 5, 2026 · Synced Sep 17, 2026, 4:08 AM EDT
Completed Not applicable Interventional Results available

Assist-Knee: Energy-Harvesting Knee Prosthesis

NCT04023045
View directory record Official record
Conditions
Transfemoral Amputation, Artificial Limbs
Interventions
Assist-Knee, Habitual Prosthesis
Device
Lead sponsor
Orthocare Innovations, LLC
Industry
Eligibility
21 Years to 80 Years
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2020
U.S. locations
1
States / cities
Edmonds, Washington
Source: ClinicalTrials.gov public record
Updated Oct 17, 2023 · Synced Sep 17, 2026, 4:08 AM EDT
Active, not recruiting Not applicable Interventional

VR to Evaluate Phantom Limb Pain

NCT05915065
View directory record Official record
Conditions
Phantom Limb Pain, Phantom Pain, Phantom Sensation, Phantom Limb Syndrome With Pain, Phantom Pain Following Amputation of Lower Limb, Phantom Pain Following Amputation of Upper Limb, Amputation, Upper Limb Amputation at the Hand, Upper Limb Amputation at the Wrist, Upper Limb Amputation Below Elbow (Injury), Upper Limb Amputation Above Elbow (Injury), Lower Limb Amputation Knee, Lower Limb Amputation Above Knee (Injury), Lower Limb Amputation Below Knee (Injury), Lower Limb Amputation at Ankle (Injury)
Interventions
Coapt Phantom Limb Pain Management System
Device
Lead sponsor
Shirley Ryan AbilityLab
Other
Eligibility
18 Years and older
Enrollment
48 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2025
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Mar 13, 2025 · Synced Sep 17, 2026, 4:08 AM EDT
Completed Phase 1 Interventional

Effect of Socket Wall Height With Vacuum Suspension for Above Knee Amputees

NCT01559909
View directory record Official record
Conditions
Amputation
Interventions
Vacuum assisted socket technology (Harmony System, Otto Bock Healthcare)
Device
Lead sponsor
Stony Brook University
Other
Eligibility
21 Years to 75 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2013
U.S. locations
2
States / cities
Stony Brook, New York • West Babylon, New York
Source: ClinicalTrials.gov public record
Updated May 11, 2014 · Synced Sep 17, 2026, 4:08 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Comparison of Prosthetic Knee Performance During Sitting and Standing

NCT00421356
View directory record Official record
Conditions
Amputation
Interventions
Not listed
Lead sponsor
University of South Florida
Other
Eligibility
21 Years to 65 Years
Enrollment
28 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2010
U.S. locations
1
States / cities
Tampa, Florida
Source: ClinicalTrials.gov public record
Updated Dec 13, 2023 · Synced Sep 17, 2026, 4:08 AM EDT
Recruiting Not applicable Interventional

Clinical Outcomes With Non-Powered vs. Powered Prosthetic Knees by K2-level Amputees

NCT06194838
View directory record Official record
Conditions
Amputation, Amputation; Traumatic, Leg, Lower, Limb; Absence, Congenital, Lower, Prosthesis User, Lower Limb Amputation Above Knee (Injury), Amputation; Traumatic, Leg: Thigh, Between Hip and Knee
Interventions
Ossur Power Knee, Reboocon Intuy Knee
Device
Lead sponsor
Liberating Technologies, Inc.
Industry
Eligibility
18 Years and older
Enrollment
26 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
1
States / cities
Austin, Texas
Source: ClinicalTrials.gov public record
Updated Sep 2, 2025 · Synced Sep 17, 2026, 4:08 AM EDT
Completed Not applicable Interventional Results available

Functional Performance Evaluation of NU-FlexSIV Socket

NCT02678247
View directory record Official record
Conditions
Amputation, Artificial Limbs
Interventions
Northwestern University Flexible Sub-Ischial Vacuum Socket, Ischial Containment Socket
Device
Lead sponsor
Northwestern University
Other
Eligibility
21 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2019
U.S. locations
3
States / cities
Chicago, Illinois • Oakbrook Terrace, Illinois
Source: ClinicalTrials.gov public record
Updated Jun 14, 2021 · Synced Sep 17, 2026, 4:08 AM EDT
Active, not recruiting Not applicable Interventional

Walking Exercise Sustainability Through Telehealth for Veterans With Lower-limb Amputation

NCT05412550
View directory record Official record
Conditions
Lower-Limb Amputation
Interventions
Exercise self-management, Attention control
Behavioral
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
40 Years to 89 Years
Enrollment
95 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2026
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Apr 23, 2026 · Synced Sep 17, 2026, 4:08 AM EDT
Completed Not applicable Interventional Results available

An Investigation of Functional Improvements in the RHEO KNEE Compared to Hydraulic Microprocessor Controlled Knees (MPKs)

NCT04023578
View directory record Official record
Conditions
Prosthesis User, Amputation
Interventions
RHEO KNEE XC
Device
Lead sponsor
Össur Iceland ehf
Industry
Eligibility
18 Years and older
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015
U.S. locations
4
States / cities
Orlando, Florida • Flowood, Mississippi • Fort Worth, Texas + 1 more
Source: ClinicalTrials.gov public record
Updated Apr 5, 2020 · Synced Sep 17, 2026, 4:08 AM EDT
Completed Not applicable Interventional

e-OPRA Implant System for Lower Limb Amputees

NCT03720171
View directory record Official record
Conditions
Amputation
Interventions
e-OPRA Implant System
Device
Lead sponsor
Integrum
Industry
Eligibility
22 Years to 65 Years
Enrollment
2 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2025
U.S. locations
1
States / cities
Cambridge, Massachusetts
Source: ClinicalTrials.gov public record
Updated May 6, 2025 · Synced Sep 17, 2026, 4:08 AM EDT
Recruiting Not applicable Interventional

A Biomechanical Evaluation of the Ossur Power Knee in Persons With Transfemoral Amputation

NCT06218238
View directory record Official record
Conditions
Transfemoral Amputation, Limb Loss, Limb Absence
Interventions
Powered prosthetic knee joint, Conventional prosthetic knee joint
Other
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
45 Years to 75 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Sep 8, 2025 · Synced Sep 17, 2026, 4:08 AM EDT
Completed Not applicable Interventional

Use of Passive, Adaptive, and Active Prosthetic Knees in Persons With Unilateral, Transfemoral Amputation

NCT02219230
View directory record Official record
Conditions
Transfemoral Amputation
Interventions
Active knee (Ossur Power Knee II), Adaptive knee (Ossur Rheo), Passive knee (Various manufacturers)
Device
Lead sponsor
University of Washington
Other
Eligibility
45 Years to 75 Years
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Dec 27, 2015 · Synced Sep 17, 2026, 4:08 AM EDT
Recruiting Not applicable Interventional

Understanding How Powered Componentry Impacts K2-Level Transfemoral Amputee Gait

NCT06433648
View directory record Official record
Conditions
Amputation, Amputation, Traumatic, Amputation of Knee, Amputation; Traumatic, Limb
Interventions
Ottobock CLeg4 + Ottobock foot, SRALAB Hybrid Knee + Polycentric Ankle, SRALAB Hybrid Knee + Passive Ankle, Ottobock CLeg 4 + Polycentric Ankle
Device
Lead sponsor
Shirley Ryan AbilityLab
Other
Eligibility
18 Years to 95 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2029
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated May 29, 2024 · Synced Sep 17, 2026, 4:08 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Virtual Reality Treatment for Phantom Limb Pain

NCT03338842
View directory record Official record
Conditions
Lower Limb Amputation Above Knee (Injury), Lower Limb Amputation Below Knee (Injury), Phantom Limb Pain
Interventions
Distractor and Lower limb VR
Device
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years and older
Enrollment
14 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jun 15, 2020 · Synced Sep 17, 2026, 4:08 AM EDT
Completed Not applicable Interventional Results available

Intent Recognition for Prosthesis Control

NCT05537792
View directory record Official record
Conditions
Amputation
Interventions
Robotic Knee/Ankle Prosthesis
Device
Lead sponsor
Georgia Institute of Technology
Other
Eligibility
18 Years to 75 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Oct 1, 2024 · Synced Sep 17, 2026, 4:08 AM EDT
Completed No phase listed Observational

Study of Medial-Lateral Center of Pressure Displacement in Unilateral Transfemoral Amputees

NCT02299674
View directory record Official record
Conditions
Unilateral Transfemoral Amputation
Interventions
Level overground ambulation
Other
Lead sponsor
Southern California Institute for Research and Education
Other
Eligibility
18 Years to 65 Years · Male only
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2017
U.S. locations
1
States / cities
Long Beach, California
Source: ClinicalTrials.gov public record
Updated May 2, 2017 · Synced Sep 17, 2026, 4:08 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Transfemoral Socket Design and Muscle Function

NCT04212299
View directory record Official record
Conditions
Amputation
Interventions
Northwestern University Flexible Sub-Ischial Suction Socket (NU-FlexSIS)
Device
Lead sponsor
University of Illinois at Chicago
Other
Eligibility
21 Years to 85 Years
Enrollment
5 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2023
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Oct 9, 2024 · Synced Sep 17, 2026, 4:08 AM EDT
Recruiting Not applicable Interventional

Regenerative Peripheral Nerve Interface for Control of Lower Limb Prostheses

NCT06275282
View directory record Official record
Conditions
Amputation, Prostheses and Implants
Interventions
Intramuscular electrodes
Device
Lead sponsor
University of Michigan
Other
Eligibility
18 Years to 75 Years
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated May 18, 2026 · Synced Sep 17, 2026, 4:08 AM EDT
Withdrawn No phase listed Observational

Comparing the Ultrasound Appearance of the Sciatic Nerve With Its Appearance Under a Microscope

NCT02384447
View directory record Official record
Conditions
Diabetes
Interventions
Not listed
Lead sponsor
University of Toledo Health Science Campus
Other
Eligibility
18 Years to 90 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
1
States / cities
Toledo, Ohio
Source: ClinicalTrials.gov public record
Updated Mar 9, 2015 · Synced Sep 17, 2026, 4:08 AM EDT
Completed Not applicable Interventional Results available

Functional Outcomes in Dysvascular Transfemoral Amputees

NCT01537211
View directory record Official record
Conditions
Transfemoral Amputation, Unilateral Traumatic Amputation of Leg at or Above Knee
Interventions
C leg compared to subject's mechanical leg (Otto Bock)
Device
Lead sponsor
Shirley Ryan AbilityLab
Other
Eligibility
18 Years to 80 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2019
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Sep 5, 2019 · Synced Sep 17, 2026, 4:08 AM EDT