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ClinicalTrials.gov public records Last synced Jul 23, 2026, 7:06 PM EDT

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

Stability of the Medial Pivot Total Knee Prosthesis

NCT02577978
View directory record Official record
Conditions
Osteoarthritis of Knee
Interventions
Medacta GMK posterior stabilized prosthesis, Medacta GMK Sphere prosthesis
Device
Lead sponsor
Northwestern University
Other
Eligibility
18 Years to 85 Years
Enrollment
61 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2017
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated May 18, 2023 · Synced Jul 23, 2026, 7:06 PM EDT
Completed No phase listed Observational

Study of Surgical Technique With Use of Single-radius Prosthesis in Total Knee Replacement

NCT01505452
View directory record Official record
Conditions
Arthritis of Knee
Interventions
Not listed
Lead sponsor
Athens Orthopedic Clinic, P.A.
Other
Eligibility
18 Years and older
Enrollment
43 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2014
U.S. locations
2
States / cities
Athens, Georgia
Source: ClinicalTrials.gov public record
Updated Jan 8, 2019 · Synced Jul 23, 2026, 7:06 PM 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 Jul 23, 2026, 7:06 PM EDT
Completed No phase listed Observational

In Vivo Comparison of Knee Kinematics for Subjects Implanted With Either a ConforMIS or Traditional Knee Implant

NCT01882751
View directory record Official record
Conditions
Complications; Arthroplasty
Interventions
Conformis CR Total Knee Replacement, Off the Shelf
Device
Lead sponsor
Restor3D
Industry
Eligibility
40 Years to 70 Years
Enrollment
66 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2017
U.S. locations
2
States / cities
Knoxville, Tennessee
Source: ClinicalTrials.gov public record
Updated Oct 24, 2023 · Synced Jul 23, 2026, 7:06 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 23, 2026, 7:06 PM EDT
Completed Not applicable Interventional

The SUN Clinical Trial (Safety Utilizing NUsurface Meniscus Implant)

NCT02483988
View directory record Official record
Conditions
Post-Meniscectomy Pain Syndrome, Osteoarthritis, Knee
Interventions
NUsurface® Meniscus Implant
Device
Lead sponsor
Active Implants
Industry
Eligibility
30 Years to 75 Years
Enrollment
115 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2024
U.S. locations
13
States / cities
Phoenix, Arizona • La Mesa, California • Long Beach, California + 10 more
Source: ClinicalTrials.gov public record
Updated May 10, 2026 · Synced Jul 23, 2026, 7:06 PM EDT
Terminated Not applicable Interventional Results available

A Multicenter Study to Evaluate Functional Outcome After Knee Replacement

NCT02494544
View directory record Official record
Conditions
Osteoarthritis
Interventions
Off the Shelf Total Knee Replacement, ConforMIS iTotal Knee Replacement
Device
Lead sponsor
Restor3D
Industry
Eligibility
18 Years and older
Enrollment
215 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2022
U.S. locations
8
States / cities
La Jolla, California • San Diego, California • Parker, Colorado + 5 more
Source: ClinicalTrials.gov public record
Updated Nov 20, 2025 · Synced Jul 23, 2026, 7:06 PM EDT
Completed Not applicable Interventional

Total Knee Arthroplasty (TKA) Cemented Versus Cementless Tibial Prosthesis Study

NCT01041937
View directory record Official record
Conditions
Osteoarthritis, Post-traumatic Osteoarthritis, Rheumatoid Arthritis
Interventions
Cemented Tibia, Cementless Tibia
Procedure
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years to 70 Years
Enrollment
106 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2011
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Jan 7, 2019 · Synced Jul 23, 2026, 7:06 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 23, 2026, 7:06 PM EDT
Active, not recruiting Not applicable Interventional

Survivorship of Attune Primary Total Knee Prosthesis

NCT01754363
View directory record Official record
Conditions
Noninflammatory Degenerative Joint Disease
Interventions
Attune Primary Total Knee Replacement
Device
Lead sponsor
DePuy International
Industry
Eligibility
22 Years to 75 Years
Enrollment
1,542 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2030
U.S. locations
9
States / cities
Scottsdale, Arizona • Orange, California • DeLand, Florida + 6 more
Source: ClinicalTrials.gov public record
Updated Jul 5, 2026 · Synced Jul 23, 2026, 7:06 PM EDT
Terminated No phase listed Observational

Total Knee Replacement With Duracon® and Vanguard™ Prostheses

NCT00588887
View directory record Official record
Conditions
Degenerative Arthritis, Osteoarthritis, Rheumatoid Arthritis, Knee Arthritis
Interventions
Duracon®, Vanguard™
Device
Lead sponsor
Biomet Orthopedics, LLC
Industry
Eligibility
18 Years and older
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2008
U.S. locations
1
States / cities
Warsaw, Indiana
Source: ClinicalTrials.gov public record
Updated Jun 20, 2017 · Synced Jul 23, 2026, 7:06 PM EDT
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 23, 2026, 7:06 PM EDT
Completed Not applicable Interventional Results available

A Study to Compare the NexGen CR and CR-Flex Knee Implants

NCT00761956
View directory record Official record
Conditions
Total Knee Arthroplasty, Osteoarthritis
Interventions
NexGen CR-Flex Fixed Bearing Knee, NexGen CR Knee
Device
Lead sponsor
Zimmer Biomet
Industry
Eligibility
21 Years to 80 Years
Enrollment
189 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2010
U.S. locations
8
States / cities
Milford, Delaware • Chicago, Illinois • Rockford, Illinois + 5 more
Source: ClinicalTrials.gov public record
Updated Jul 15, 2012 · Synced Jul 23, 2026, 7:06 PM EDT
Completed Not applicable Interventional Results available

Clinical Investigation (Beta) of Power Knee Mainstream - Dynamic

NCT04787627
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Sep 21, 2025 · Synced Jul 23, 2026, 7:06 PM 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 23, 2026, 7:06 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Biodistribution and Dosimetry Evaluation of [124I]FIAU

NCT01337466
View directory record Official record
Conditions
Prosthesis Related Infections
Interventions
[124I]FIAU
Radiation
Lead sponsor
BioMed Valley Discoveries, Inc
Industry
Eligibility
18 Years and older
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2013
U.S. locations
3
States / cities
Little Rock, Arkansas • Baltimore, Maryland • Lake Success, New York
Source: ClinicalTrials.gov public record
Updated Jun 26, 2013 · Synced Jul 23, 2026, 7:06 PM 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 23, 2026, 7:06 PM EDT
Completed No phase listed Observational Results available

Mechanics Analysis of Patients Having a Sigma Mobile Bearing TKA

NCT01714492
View directory record Official record
Conditions
Knee Prosthesis, Knee Replacement Arthroplasty
Interventions
Sigma Posterior Stabilizing Rotating Platform TKA Beaded Poly
Device
Lead sponsor
The University of Tennessee, Knoxville
Other
Eligibility
40 Years to 85 Years
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012
U.S. locations
3
States / cities
Denver, Colorado • Knoxville, Tennessee
Source: ClinicalTrials.gov public record
Updated Oct 9, 2019 · Synced Jul 23, 2026, 7:06 PM 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 Jul 23, 2026, 7:06 PM EDT
Completed No phase listed Observational Accepts healthy volunteers Results available

Observational Examination of Thermoregulation in Total Joint Arthroplasty

NCT02225743
View directory record Official record
Conditions
Hypothermia
Interventions
Observation Of Temperature
Other
Lead sponsor
Medical University of South Carolina
Other
Eligibility
18 Years and older
Enrollment
120 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2015
U.S. locations
1
States / cities
Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Jan 23, 2019 · Synced Jul 23, 2026, 7:06 PM EDT
Completed Not applicable Interventional Results available

Evaluating Advantages of Prevena After Hip and Knee Arthroplasty

NCT01854138
View directory record Official record
Conditions
Infection of Total Hip Joint Prosthesis
Interventions
Prevena Incision Management System
Device
Lead sponsor
ProMedica Health System
Other
Eligibility
18 Years to 85 Years
Enrollment
248 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
1
States / cities
Toledo, Ohio
Source: ClinicalTrials.gov public record
Updated Jul 11, 2018 · Synced Jul 23, 2026, 7:06 PM EDT
Recruiting Not applicable Interventional

Automatic Prosthetic Foot Stiffness Modulation to Improve Balance

NCT06711588
View directory record Official record
Conditions
Lower Limb Amputation Below Knee
Interventions
As-prescribed stiffness, Two categories stiffer than the as-prescribed stiffness, Two categories less stiff than the as-prescribed stiffness
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
2024 – 2026
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated May 12, 2026 · Synced Jul 23, 2026, 7:06 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Effects of Wearing a Powered Ankle-Foot Prosthesis on Amputee Walking

NCT00869947
View directory record Official record
Conditions
Traumatic Amputation of Lower Extremity
Interventions
Powered ankle-foot prosthesis, No device
Device · Other
Lead sponsor
US Department of Veterans Affairs
Federal
Eligibility
18 Years to 60 Years
Enrollment
16 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2013
U.S. locations
1
States / cities
Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated Feb 24, 2014 · Synced Jul 23, 2026, 7:06 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 23, 2026, 7:06 PM EDT