Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Sep 10, 2026, 5:48 AM EDT

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Showing 1–18 of 18 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Conditions
Transfemoral Amputation, Limb Loss, Limb Absence
Interventions
College Park ICON, Conventional NMPK
Other
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
45 Years to 85 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
2
States / cities
Chicago, Illinois • Hines, Illinois
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
Recruiting Not applicable Interventional

Bio Leg: Advancing Mobility (BAM)

NCT07613502
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
Conditions
Transfemoral Amputation
Interventions
Powered Microprocessor-controlled Knee (PMPK)
Other
Lead sponsor
Loma Linda University
Other
Eligibility
18 Years to 75 Years
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
1
States / cities
Loma Linda, California
Conditions
Prosthesis User, Amputation
Interventions
NAVii
Device
Lead sponsor
Össur Iceland ehf
Industry
Eligibility
18 Years and older
Enrollment
14 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022
U.S. locations
3
States / cities
Merrillville, Indiana • Bay City, Michigan • Perrysburg, Ohio
Conditions
Transfemoral Amputees
Interventions
Vanderbilt Powered Knee-Ankle Prosthesis, Microprocessor (MP) Knee Prosthesis
Device
Lead sponsor
Shirley Ryan AbilityLab
Other
Eligibility
18 Years to 80 Years
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2026
U.S. locations
1
States / cities
Chicago, Illinois
Conditions
Amputation
Interventions
Ottobock Kenevo/C-Leg, Ottobock 3R60/3R62
Device
Lead sponsor
University of Washington
Other
Eligibility
18 Years and older
Enrollment
19 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
1
States / cities
Seattle, Washington
Completed Not applicable Interventional Results available

Clinical Investigation (Beta) of a New Developed Prosthetic Knee

NCT06748729
Conditions
Amputation
Interventions
Navii Knee
Device
Lead sponsor
Össur Iceland ehf
Industry
Eligibility
18 Years to 80 Years
Enrollment
11 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024
U.S. locations
1
States / cities
Orlando, Florida
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
Conditions
Lower Limb Amputation Above Knee (Injury), Congenital Amputation of Lower Limb, Lower Limb Amputation Knee
Interventions
Kenevo or C-Leg 4, Non microprocessor controlled knee (NMPK)
Device
Lead sponsor
Otto Bock Healthcare Products GmbH
Industry
Eligibility
65 Years and older
Enrollment
107 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2026
U.S. locations
90
States / cities
Dothan, Alabama • Gilbert, Arizona • Phoenix, Arizona + 85 more
Completed Not applicable Interventional Accepts healthy volunteers Results available

Comparative Outcomes Assessment of the C-Leg With a New Knee Prosthesis

NCT01473992
Conditions
Other and Unspecified Complications of Amputation Stump
Interventions
Otto Bock C-Leg, Otto Bock Genium
Device
Lead sponsor
Jason Highsmith
Other
Eligibility
18 Years to 85 Years
Enrollment
25 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2013
U.S. locations
1
States / cities
Tampa, Florida
Completed Not applicable Interventional Results available

Personalizing MPK Prescription

NCT06399471
Conditions
Transfemoral Amputation
Interventions
Microprocessor prosthetic knee
Device
Lead sponsor
Georgia Institute of Technology
Other
Eligibility
18 Years to 75 Years
Enrollment
11 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
1
States / cities
Atlanta, Georgia
Completed Not applicable Interventional Results available

Functional Outcomes in Dysvascular Transfemoral Amputees

NCT01537211
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
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
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
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
Completed Not applicable Interventional Results available

Clinical Investigation (Beta) of Power Knee Mainstream - Dynamic

NCT04787627
Conditions
Prosthesis User, Amputation
Interventions
Power Knee
Device
Lead sponsor
Össur Iceland ehf
Industry
Eligibility
18 Years and older
Enrollment
17 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2020
U.S. locations
2
States / cities
Silver Spring, Maryland • Boston, Massachusetts
Completed Not applicable Interventional Accepts healthy volunteers Results available

Clinical Outcomes With Passive MPKs vs. Powered Prosthetic Knees

NCT05267639
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