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Showing 1–24 of 51 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Above Knee Amputation Clear all
Completed Not applicable Interventional

The Effect of Ischemic Conditioning on Strength and Ambulation in Subjects with PAD

NCT04937179
View directory record Official record
Conditions
Peripheral Arterial Disease, Peripheral Vascular Disease, Amputation, Lower Limb Amputation Knee, Lower Limb Amputation Above Knee (Injury), Lower Limb Amputation Below Knee (Injury)
Interventions
Ischemic Conditioning Low - Sham Comparator, Ischemic Conditioning High - Active Comparator
Procedure
Lead sponsor
University of Illinois at Chicago
Other
Eligibility
18 Years and older
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Feb 26, 2025 · Synced Jul 21, 2026, 10:17 PM 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 Jul 21, 2026, 10:17 PM EDT
Completed No phase listed Observational

Women's-Specific Footwear With Prosthetic Feet

NCT03673371
View directory record Official record
Conditions
Lower Limb Amputation Below Knee (Injury), Lower Limb Amputation Above Knee (Injury)
Interventions
Questionnaire
Other
Lead sponsor
Minneapolis Veterans Affairs Medical Center
Federal
Eligibility
18 Years to 80 Years
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2023
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Mar 21, 2023 · Synced Jul 21, 2026, 10:17 PM EDT
Active, not recruiting Not applicable Interventional

Active Knee Prosthesis Study

NCT06700668
View directory record Official record
Conditions
Transfemoral Amputation
Interventions
MIT Powered Knee
Device
Lead sponsor
Massachusetts Institute of Technology
Other
Eligibility
22 Years to 65 Years
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2026
U.S. locations
1
States / cities
Cambridge, Massachusetts
Source: ClinicalTrials.gov public record
Updated Oct 13, 2025 · Synced Jul 21, 2026, 10:17 PM 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 Jul 21, 2026, 10:17 PM 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 Jul 21, 2026, 10:17 PM EDT
Recruiting Not applicable Interventional

Metabolic Cost of Walking With Passive vs. Powered Prosthetic Knees Among Persons With Limb Loss

NCT05831696
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Feb 3, 2026 · Synced Jul 21, 2026, 10:17 PM EDT
Active, not recruiting Not applicable Interventional

Assessing Outcomes With Microprocessor Knee Utilization in a K2 Population

NCT04784429
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Feb 8, 2024 · Synced Jul 21, 2026, 10:17 PM 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 Jul 21, 2026, 10:17 PM 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 Jul 21, 2026, 10:17 PM EDT
Completed Not applicable Interventional Results available

Feasibility Study to Evaluate a New Energy Storage and Return Prosthetic Foot

NCT04239222
View directory record Official record
Conditions
Lower Limb Amputation Below Knee (Injury), Lower Limb Amputation Above Knee (Injury), Lower Limb Amputation Knee
Interventions
Revo-M, Taleo, Proflex XC
Device
Lead sponsor
Otto Bock Healthcare Products GmbH
Industry
Eligibility
18 Years and older
Enrollment
27 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
4
States / cities
Mesa, Arizona • Linthicum, Maryland • Dayton, Ohio + 1 more
Source: ClinicalTrials.gov public record
Updated Sep 22, 2024 · Synced Jul 21, 2026, 10:17 PM 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 Jul 21, 2026, 10:17 PM EDT
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 Jul 21, 2026, 10:17 PM 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 Jul 21, 2026, 10:17 PM 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 Jul 21, 2026, 10:17 PM EDT
Completed No phase listed Observational

Pilot Study to Assess the Use of Spy Elite for Assessment of Amputation Healing

NCT02440295
View directory record Official record
Conditions
Wound Healing, Lower Extremity Amputation, Above Knee Amputation, Below Knee Amputation
Interventions
Lower Extremity Amputation, SPY Elite Imaging System, Indocyaine Green
Procedure · Device · Drug
Lead sponsor
Corewell Health West
Other
Eligibility
18 Years and older
Enrollment
18 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2016
U.S. locations
1
States / cities
Grand Rapids, Michigan
Source: ClinicalTrials.gov public record
Updated Sep 27, 2023 · Synced Jul 21, 2026, 10:17 PM 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 Jul 21, 2026, 10:17 PM EDT
Completed Not applicable Interventional

Sub-Ischial Socket for Transfemoral Amputation and Lower Mobility

NCT05662982
View directory record Official record
Conditions
Transfemoral Amputation
Interventions
Northwestern University Flexible Subischial Suction Socket (NU-FlexSIS)
Device
Lead sponsor
University of Washington
Other
Eligibility
18 Years and older
Enrollment
84 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
3
States / cities
Minneapolis, Minnesota • Houston, Texas • Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Dec 14, 2025 · Synced Jul 21, 2026, 10:17 PM 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 Jul 21, 2026, 10:17 PM EDT
Recruiting Not applicable Interventional

Effectiveness of Frontal Plane Adaptability in a Novel Foot Prosthesis

NCT06214026
View directory record Official record
Conditions
Amputation
Interventions
META-Arc foot locked, META-Arc foot unlocked
Device
Lead sponsor
University of Washington
Other
Eligibility
16 Years and older
Enrollment
96 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
3
States / cities
Tampa, Florida • Mount Sterling, Ohio • Seattle, Washington
Source: ClinicalTrials.gov public record
Updated May 22, 2024 · Synced Jul 21, 2026, 10:17 PM EDT
Recruiting Not applicable Interventional

Improving Mobility and Function Following Transfemoral Amputation: A Novel Approach to Reverse Volumetric Muscle Loss

NCT05929508
View directory record Official record
Conditions
Traumatic Amputation of Lower Extremity
Interventions
Ischemic Preconditioning
Other
Lead sponsor
University of Illinois at Chicago
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Nov 16, 2025 · Synced Jul 21, 2026, 10:17 PM EDT
Active, not recruiting Not applicable Interventional

Transfemoral Osseointegrated Prosthesis Limb-Load Symmetry Training

NCT05695911
View directory record Official record
Conditions
Amputation, Transfemoral Amputation, Osseointegration
Interventions
Limb Load Biofeedback Training Intervention, Attention Control
Behavioral · Other
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years and older
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Apr 26, 2026 · Synced Jul 21, 2026, 10:17 PM EDT
Recruiting Not applicable Interventional

Evaluation of a Neural-Controlled Powered Prosthesis Across Diverse Real-World Tasks

NCT07204912
View directory record Official record
Conditions
Transfemoral Amputation
Interventions
MIT Powered Leg
Device
Lead sponsor
Massachusetts Institute of Technology
Other
Eligibility
18 Years to 70 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2028
U.S. locations
1
States / cities
Cambridge, Massachusetts
Source: ClinicalTrials.gov public record
Updated Oct 1, 2025 · Synced Jul 21, 2026, 10:17 PM EDT
Completed Not applicable Interventional Results available

Personalizing MPK Prescription

NCT06399471
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Nov 13, 2024 · Synced Jul 21, 2026, 10:17 PM EDT