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Showing 1–24 of 46 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Lower Limb Amputation Knee Clear all
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 23, 2026, 10:01 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 Sep 23, 2026, 10:01 AM EDT
Recruiting Not applicable Interventional

Restoration of Normative Postural Control

NCT06452186
View directory record Official record
Conditions
Lower Limb Amputation Below Knee (Injury)
Interventions
direct EMG controlled prosthetic ankle, PT guided prosthetic training
Device · Behavioral
Lead sponsor
North Carolina State University
Other
Eligibility
18 Years to 99 Years
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2028
U.S. locations
1
States / cities
Raleigh, North Carolina
Source: ClinicalTrials.gov public record
Updated Jul 13, 2026 · Synced Sep 23, 2026, 10:01 AM 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 Sep 23, 2026, 10:01 AM 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 Sep 23, 2026, 10:01 AM EDT
Recruiting Not applicable Interventional

Caesar Foot Take-Home Validation Testing

NCT07075198
View directory record Official record
Conditions
Prosthesis User, Lower Limb Amputation Below Knee (Injury)
Interventions
Caesar Foot
Device
Lead sponsor
Liberating Technologies, Inc.
Industry
Eligibility
18 Years and older
Enrollment
18 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Austin, Texas
Source: ClinicalTrials.gov public record
Updated Oct 13, 2025 · Synced Sep 23, 2026, 10:01 AM EDT
Active, not recruiting Not applicable Interventional

Improving Prosthetic Provision in Rural Communities: Limb Scanning With Caregiver Assistance

NCT05884203
View directory record Official record
Conditions
Lower Extremity Amputation
Interventions
Caregiver socket, Prosthetist socket
Device
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years to 70 Years
Enrollment
17 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Jul 21, 2026 · Synced Sep 23, 2026, 10:01 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 Sep 23, 2026, 10:01 AM EDT
Completed Early Phase 1 Interventional Results available

N-Acetyl-Cysteine (NAC) for Healing of Amputation Stumps in the Setting of Diabetes

NCT03253328
View directory record Official record
Conditions
Diabetes Mellitus, Critical Limb Ischemia, Lower Limb Amputation Knee, Peripheral Arterial Disease
Interventions
Active Arm N-acetyl cysteine (NAC), Placebo Arm
Drug
Lead sponsor
Washington University School of Medicine
Other
Eligibility
30 Years to 90 Years
Enrollment
33 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2022
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Aug 15, 2024 · Synced Sep 23, 2026, 10:01 AM 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 Sep 23, 2026, 10:01 AM EDT
Completed Not applicable Interventional Results available

Adherence and Perspiration While Wearing Lower Limb Prostheses

NCT03900845
View directory record Official record
Conditions
Lower Extremity Amputation
Interventions
Dynamic Air Exchange - Rising Edge Design (DAE-RED), Perforated elastomeric liner, As-prescribed prosthesis
Device
Lead sponsor
Seattle Institute for Biomedical and Clinical Research
Other
Eligibility
18 Years to 70 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2022
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Jan 26, 2026 · Synced Sep 23, 2026, 10:01 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

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

NCT01473992
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Dec 11, 2023 · Synced Sep 23, 2026, 10:01 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 23, 2026, 10:01 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 23, 2026, 10:01 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 23, 2026, 10:01 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 23, 2026, 10:01 AM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Wearable Airbag Technology to Mitigate Falls in Individuals With High Fall Risk

NCT05076565
View directory record Official record
Conditions
Stroke, Parkinson Disease, Lower Limb Amputation Knee, Fall Injury, Fall Patients, Falling
Interventions
Airbag Belt Fall Protection System
Device
Lead sponsor
Shirley Ryan AbilityLab
Other
Eligibility
18 Years to 85 Years
Enrollment
200 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2026
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Dec 28, 2025 · Synced Sep 23, 2026, 10:01 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 23, 2026, 10:01 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 Sep 23, 2026, 10:01 AM EDT
Recruiting Not applicable Interventional

R21: An Easy-to-use, iNtelligent, Affordable LinEr (ENABLE) System for Socket Fit Assessment

NCT05425810
View directory record Official record
Conditions
Lower Limb Amputation Below Knee (Injury)
Interventions
Apply ENABLE sensing pad, Insert small pads at pressure tolerant locations
Device
Lead sponsor
North Carolina State University
Other
Eligibility
18 Years to 99 Years
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2026
U.S. locations
1
States / cities
Raleigh, North Carolina
Source: ClinicalTrials.gov public record
Updated May 19, 2025 · Synced Sep 23, 2026, 10:01 AM EDT
Completed No phase listed Observational

Influence of Socket Volume on Prosthesis Performance

NCT02124915
View directory record Official record
Conditions
Lower Limb Amputation Below Knee (Injury)
Interventions
Not listed
Lead sponsor
University of Washington
Other
Eligibility
18 Years and older
Enrollment
9 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Aug 23, 2017 · Synced Sep 23, 2026, 10:01 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 Sep 23, 2026, 10:01 AM EDT
Not listed No phase listed Observational

Evaluation of High-Performance, Customized, Rapidly-Manufacturable Prosthetic Feet That Provide Improved Mobility

NCT05265403
View directory record Official record
Conditions
Amputation of Lower Limb Below Knee
Interventions
Commercially-available energy storage and return prosthetic foot, MIT-Lower Leg Trajectory Error (LLTE) customized prosthetic feet
Drug · Device
Lead sponsor
Massachusetts Institute of Technology
Other
Eligibility
18 Years to 65 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Apr 11, 2022 · Synced Sep 23, 2026, 10:01 AM EDT
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 Sep 23, 2026, 10:01 AM EDT