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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Filters: Condition: Above Knee Amputation Clear all
Not yet recruiting Not applicable Interventional

Effect of a Microprocessor-controlled Prosthetic Knee Joint on K2 Level Ambulators

NCT07103798
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated May 7, 2026 · Synced Jul 22, 2026, 2:21 AM EDT
Completed Phase 1 Interventional

A Clinical and Histological Analysis of Mesenchymal Stem Cells in Amputation

NCT02685098
View directory record Official record
Conditions
Ischemia, Peripheral Arterial Disease, Peripheral Vascular Disease, Vascular Disease, Arterial Occlusive Disease, Arteriosclerosis, Atherosclerosis, Cardiovascular Disease, Pathologic Processes, Orthopedic Procedures, Amputation
Interventions
Allogeneic bone marrow derived mesenchymal stem cells
Biological
Lead sponsor
Indiana University
Other
Eligibility
40 Years to 90 Years
Enrollment
81 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2023
U.S. locations
1
States / cities
Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Sep 22, 2025 · Synced Jul 22, 2026, 2:21 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 Jul 22, 2026, 2:21 AM EDT
Completed No phase listed Observational Results available

Microbiome and Metagenome in Percutaneous Osseointegrated Prostheses (MMPOP)

NCT02564432
View directory record Official record
Conditions
Transfemoral Amputation
Interventions
Not listed
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years to 80 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2018
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Feb 18, 2020 · Synced Jul 22, 2026, 2:21 AM EDT
Completed Phase 4 Interventional Results available

Peripheral Nerve Blocks for Above-the-knee Amputations

NCT03404180
View directory record Official record
Conditions
Peripheral Vascular Diseases, Hyperglycaemia (Diabetic), Hypertension, Coronary Artery Disease, Pulmonary Disease, Chronic Obstructive
Interventions
Peripheral nerve block, Intravenous Sedatives, Lateral femoral cutaneous nerve blocks, Obturator nerve blocks
Procedure · Drug
Lead sponsor
University of Florida
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2024
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Jan 7, 2026 · Synced Jul 22, 2026, 2:21 AM EDT
Recruiting Not applicable Interventional

Prosthetic Performance Enhancement Trial

NCT06419920
View directory record Official record
Conditions
Amputation, Lower Limb Amputation Below Knee (Injury), Lower Limb Amputation Above Knee (Injury), Lower Limb Amputation at Ankle (Injury), Lower Limb Amputation Knee, Lower Limb Amputation at Hip (Injury)
Interventions
Flat terrain locomotor training, Uneven terrain locomotor training
Other
Lead sponsor
University of Nevada, Las Vegas
Other
Eligibility
18 Years and older
Enrollment
35 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
Las Vegas, Nevada
Source: ClinicalTrials.gov public record
Updated Jun 22, 2026 · Synced Jul 22, 2026, 2:21 AM EDT
Recruiting Phase 1 Interventional

Towards Efficient Personalization of Computerized Lower Limb Prostheses Via Reinforcement Learning in a Clinical Setup - Group 1

NCT07204925
View directory record Official record
Conditions
Transfemoral Amputation
Interventions
RISE guided personalization of prosthetic legs by tuning experts, RISE guided personalization of prosthetic legs by prosthetists, Manual personalization of the prosthetic leg by tuning experts
Device
Lead sponsor
North Carolina State University
Other
Eligibility
18 Years to 75 Years
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2029
U.S. locations
1
States / cities
Raleigh, North Carolina
Source: ClinicalTrials.gov public record
Updated May 18, 2026 · Synced Jul 22, 2026, 2:21 AM EDT
Completed No phase listed Observational

Improved Training Program for Fall Prevention of War Fighters

NCT03446131
View directory record Official record
Conditions
Limb Injury
Interventions
Not listed
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years to 55 Years
Enrollment
45 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
4
States / cities
San Diego, California • Bethesda, Maryland • Rochester, Minnesota + 1 more
Source: ClinicalTrials.gov public record
Updated Jan 6, 2021 · Synced Jul 22, 2026, 2:21 AM EDT
Completed Not applicable Interventional Results available

Cryoanalgesia to Treat Phantom Limb Pain Following Above-Knee Amputation

NCT06071715
View directory record Official record
Conditions
Amputation, Surgical, Amputation, Traumatic, Phantom Limb Pain, Phantom Pain Following Amputation of Lower Limb
Interventions
ACTIVE cryoneurolysis, SHAM cryoneurolysis
Device
Lead sponsor
University of California, San Diego
Other
Eligibility
18 Years and older
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
1
States / cities
La Jolla, California
Source: ClinicalTrials.gov public record
Updated Apr 7, 2026 · Synced Jul 22, 2026, 2:21 AM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Improving Socket Fit in Female and Male Veterans With Transtibial and Transfemoral Amputation

NCT05989243
View directory record Official record
Conditions
Transtibial Amputation, Transfemoral Amputation
Interventions
Conventional prosthetic socket, Adjustable Quatro socket
Device
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years to 65 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2027
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Apr 22, 2026 · Synced Jul 22, 2026, 2:21 AM EDT
Not listed Early Phase 1 Interventional

Biofeedback Retention in Individuals With AKA

NCT05126485
View directory record Official record
Conditions
Amputation of Knee, Back Pain, Osteo Arthritis Knee
Interventions
Haptic Biofeedback from SageMotion Biofeedback System
Device
Lead sponsor
San Jose State University
Other
Eligibility
18 Years to 70 Years
Enrollment
35 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
2
States / cities
Palo Alto, California • San Francisco, California
Source: ClinicalTrials.gov public record
Updated Oct 1, 2023 · Synced Jul 22, 2026, 2:21 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Evaluation of Ultrasonic Neuroma Size With Residual Limb Pain in Above-Knee Amputees

NCT00686764
View directory record Official record
Conditions
Neuroma Amputation
Interventions
Observational
Other
Lead sponsor
Oregon Health and Science University
Other
Eligibility
18 Years to 99 Years
Enrollment
7 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2010
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Dec 13, 2015 · Synced Jul 22, 2026, 2:21 AM EDT
Not listed Not applicable Interventional

Intuitive Control of a Hybrid Prosthetic Leg During Ambulation

NCT04038151
View directory record Official record
Conditions
Amputation
Interventions
Hybrid Leg, Prescribed Passive Prosthesis
Device
Lead sponsor
Shirley Ryan AbilityLab
Other
Eligibility
18 Years to 95 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2025
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated May 16, 2024 · Synced Jul 22, 2026, 2:21 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 Jul 22, 2026, 2:21 AM EDT
Completed Not applicable Interventional

Aerofit Post Market Investigation

NCT05925712
View directory record Official record
Conditions
Transfemoral Amputation, Amputation, Skin Health
Interventions
AeroFit Seal-In Liner / Socket, Seal-In Silicone Liner
Device
Lead sponsor
Össur Iceland ehf
Industry
Eligibility
18 Years and older
Enrollment
56 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
7
States / cities
Gainesville, Florida • Indianapolis, Indiana • Bay City, Michigan + 3 more
Source: ClinicalTrials.gov public record
Updated Oct 7, 2024 · Synced Jul 22, 2026, 2:21 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 Jul 22, 2026, 2:21 AM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Active Knee Prosthesis Study for Improvement of Locomotion for Above Knee Amputees

NCT00771589
View directory record Official record
Conditions
Amputation
Interventions
Active Knee Prosthesis
Device
Lead sponsor
Providence VA Medical Center
Federal
Eligibility
18 Years to 50 Years
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2009
U.S. locations
2
States / cities
Cambridge, Massachusetts • North Andover, Massachusetts
Source: ClinicalTrials.gov public record
Updated Oct 12, 2008 · Synced Jul 22, 2026, 2:21 AM EDT
Not yet recruiting Not applicable Interventional

Determining the Effects of Ischemic Conditioning and Neuromuscular Electrical Stimulation on Overall Function After Lower Limb Amputation

NCT07664995
View directory record Official record
Conditions
Lower Limb Amputation Above Knee, Below Knee Amputation
Interventions
Blood pressure cuff, Neuromuscular Electrical Stimulation
Device
Lead sponsor
University of Illinois at Chicago
Other
Eligibility
18 Years and older
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jun 23, 2026 · Synced Jul 22, 2026, 2:21 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 Jul 22, 2026, 2:21 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 Jul 22, 2026, 2:21 AM EDT
Terminated Not applicable Interventional Results available

Investigation on a New Power Knee Firmware Update on Gait and Daily Life Activities for Transfemoral Amputees

NCT06620861
View directory record Official record
Conditions
Amputation, Transfemoral Amputation
Interventions
Power Knee Firmware Update, Power Knee Current Marketed Firmware
Device
Lead sponsor
Össur Iceland ehf
Industry
Eligibility
18 Years and older
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024
U.S. locations
1
States / cities
Bay City, Michigan
Source: ClinicalTrials.gov public record
Updated Jan 29, 2026 · Synced Jul 22, 2026, 2:21 AM EDT
Active, not recruiting No phase listed Observational

C-STAR Movement Database

NCT05471375
View directory record Official record
Conditions
Stroke, Parkinson Disease, Lower Limb Amputation Above Knee (Injury), Lower Limb Amputation Below Knee (Injury)
Interventions
Database Entry
Other
Lead sponsor
Shirley Ryan AbilityLab
Other
Eligibility
Up to 99 Years
Enrollment
250 participants
Timeline
2022 – 2026
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated May 11, 2026 · Synced Jul 22, 2026, 2:21 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 Jul 22, 2026, 2:21 AM EDT
Completed Not applicable Interventional Results available

Cryoanalgesia to Prevent Acute and Chronic Pain Following Surgery: A Randomized, Double-Masked, Sham-Controlled Study

NCT03578237
View directory record Official record
Conditions
Mastectomy, Upper Limb Amputation Below Elbow, Upper Limb Amputation Above Elbow, Lower Limb Amputation Below Knee, Lower Limb Amputation Above Knee, Knee Arthropathy, Shoulder Arthroplasty, Rotator Cuff Repair, Video-Assisted Thoracoscopic Surgery (VATS), Skin Grafting
Interventions
Cryoneurolysis (active), Sham cryoneurolysis procedure
Device
Lead sponsor
University of California, San Diego
Other
Eligibility
18 Years and older
Enrollment
99 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2022
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated Feb 9, 2023 · Synced Jul 22, 2026, 2:21 AM EDT