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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Knee Implant Clear all
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 Sep 29, 2026, 5:19 PM EDT
Not listed No phase listed Observational

Journey™ UNI Post Market Clinical Follow-Up

NCT03442231
View directory record Official record
Conditions
Non-inflammatory Degenerative Joint Disease
Interventions
Journey UNI Unicompartmental Knee System
Device
Lead sponsor
Smith & Nephew, Inc.
Industry
Eligibility
18 Years and older
Enrollment
147 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2025
U.S. locations
3
States / cities
Scottsdale, Arizona • Park Ridge, Illinois • Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Feb 19, 2024 · Synced Sep 29, 2026, 5:19 PM EDT
Completed No phase listed Observational Results available

In Vivo Kinematics for Subjects With Smith & Nephew Journey II BCS TKA, Journey II CR TKA, Or Journey II XR TKA

NCT04612036
View directory record Official record
Conditions
Knee Osteoarthritis, Total Knee Arthroplasty, Knee
Interventions
Journey II Bi-Cruciate Stabilized TKA, Journey II Cruciate Retaining TKA, Journey II Bi-Cruciate Retaining TKA
Device
Lead sponsor
The University of Tennessee, Knoxville
Other
Eligibility
18 Years to 85 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
1
States / cities
Knoxville, Tennessee
Source: ClinicalTrials.gov public record
Updated Nov 28, 2023 · Synced Sep 29, 2026, 5:19 PM EDT
Not yet recruiting Not applicable Interventional

Using a Smart Implantable Device to Compare Early Recovery in Two Different Knee Arthroplasty Approaches

NCT07348835
View directory record Official record
Conditions
Total Knee Anthroplasty
Interventions
Total Knee Arthroplasty Medial Parapatellar Approach, Total Knee Arthroplasty Subvastus Approach
Procedure
Lead sponsor
Total Joint Specialists
Network
Eligibility
18 Years and older
Enrollment
110 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Sandy Springs, Georgia
Source: ClinicalTrials.gov public record
Updated Jan 15, 2026 · Synced Sep 29, 2026, 5:19 PM EDT
Not listed No phase listed Observational

Outcomes of MAKOplasty Patellofemoral Arthroplasty in Younger Active Patients

NCT02738476
View directory record Official record
Conditions
Osteoarthritis, Knee
Interventions
Patellofemoral arthroplasty
Procedure
Lead sponsor
Cincinnati Sportsmedicine Research and Education Foundation
Other
Eligibility
20 Years to 65 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2022
U.S. locations
1
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Oct 7, 2020 · Synced Sep 29, 2026, 5:19 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Investigating Patient Satisfaction With Smart Knee Implants

NCT06968143
View directory record Official record
Conditions
Total Knee Arthroplasty, Knee Replacement, Knee Replacement Arthroplasty, Knee Osteoarthritis
Interventions
Smart Knee Implant
Device
Lead sponsor
University of Chicago
Other
Eligibility
18 Years and older
Enrollment
150 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2027
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Dec 16, 2025 · Synced Sep 29, 2026, 5:19 PM EDT
Completed No phase listed Observational

F18-MHF: Implants-Associated Infection Detection

NCT05889286
View directory record Official record
Conditions
Knee Disease, Knee Infection
Interventions
[F-18]MHF
Drug
Lead sponsor
Emory University
Other
Eligibility
18 Years and older
Enrollment
18 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated May 27, 2026 · Synced Sep 29, 2026, 5:19 PM EDT
Active, not recruiting Not applicable Interventional

ATTUNE Revision System in the Revision Total Knee Arthroplasty Population

NCT03153475
View directory record Official record
Conditions
Revision Total Knee Arthroplasty
Interventions
ATTUNE Revision Knee System in Revision Total Knee Arthroplasty
Device
Lead sponsor
DePuy Orthopaedics
Industry
Eligibility
22 Years to 80 Years
Enrollment
400 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2029
U.S. locations
16
States / cities
San Diego, California • Denver, Colorado • Fort Collins, Colorado + 13 more
Source: ClinicalTrials.gov public record
Updated Sep 27, 2026 · Synced Sep 29, 2026, 5:19 PM 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 Sep 29, 2026, 5:19 PM EDT
Completed Phase 1 Interventional

REcycled CartiLage Auto/Allo IMplantation

NCT03672825
View directory record Official record
Conditions
Cartilage Defect
Interventions
REcycled CartiLage Auto/Allo IMplantation
Drug
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years to 50 Years
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2024
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Jul 24, 2024 · Synced Sep 29, 2026, 5:19 PM EDT
Terminated Phase 3 Interventional

Neocartilage Implant to Treat Cartilage Lesions of the Knee

NCT01400607
View directory record Official record
Conditions
Articular Cartilage Disorder, Degeneration; Articular Cartilage, Chronic Cartilage Injury, Acute Cartilage Injury, Defect of Articular Cartilage
Interventions
Neocartilage Implant/DeNovo® ET (Engineered Tissue Graft), Microfracture
Biological · Other
Lead sponsor
ISTO Technologies, Inc.
Industry
Eligibility
18 Years to 60 Years
Enrollment
14 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2020
U.S. locations
9
States / cities
Los Angeles, California • Santa Monica, California • Chicago, Illinois + 5 more
Source: ClinicalTrials.gov public record
Updated Aug 30, 2017 · Synced Sep 29, 2026, 5:19 PM EDT
Completed Phase 4 Interventional Results available

Effect of Low Dose Corticosteroids on Perioperative Markers of Thrombosis and Fibrinolysis in Total Knee Arthroplasty

NCT01815918
View directory record Official record
Conditions
Total Knee Arthroplasty
Interventions
Hydrocortisone, Placebo
Drug
Lead sponsor
Hospital for Special Surgery, New York
Other
Eligibility
50 Years to 90 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2012
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Apr 13, 2022 · Synced Sep 29, 2026, 5:19 PM EDT
Completed Phase 1 Interventional

Study of a Steroid Delivery System for Pain Relief Treatment in Patients With Knee Osteoarthritis

NCT02873273
View directory record Official record
Conditions
Osteoarthritis, Knee
Interventions
Dexamethasone
Drug
Lead sponsor
Mark Figgie
Other
Eligibility
40 Years to 99 Years
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2017
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Sep 30, 2018 · Synced Sep 29, 2026, 5:19 PM EDT
Terminated No phase listed Observational

Multi-Center Study to Evaluate the ConforMIS iUni Knee Implant

NCT01117571
View directory record Official record
Conditions
Osteoarthritis
Interventions
iUni® Unicompartmental Knee Resurfacing Device
Device
Lead sponsor
Restor3D
Industry
Eligibility
18 Years and older
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2023
U.S. locations
8
States / cities
Little Rock, Arkansas • La Quinta, California • Monterey, California + 5 more
Source: ClinicalTrials.gov public record
Updated Oct 24, 2023 · Synced Sep 29, 2026, 5:19 PM EDT
Completed No phase listed Observational Accepts healthy volunteers Results available

In Vivo Determination of 3D Patellofemoral Mechanics

NCT01290627
View directory record Official record
Conditions
Arthroplasty Replacement Knee, Knee Prosthesis
Interventions
Subjects implanted with DePuy LCS PS RP TKA, Subjects implanted with DePuy Sigma PS RP TKA
Device
Lead sponsor
The University of Tennessee, Knoxville
Other
Eligibility
20 Years to 85 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011
U.S. locations
4
States / cities
Denver, Colorado • Knoxville, Tennessee
Source: ClinicalTrials.gov public record
Updated Oct 28, 2019 · Synced Sep 29, 2026, 5:19 PM EDT
Completed Phase 1Phase 2 Interventional Results available

Evaluation of Safety and Exploratory Efficacy of CARTISTEM®, a Cell Therapy Product for Articular Cartilage Defects

NCT01733186
View directory record Official record
Conditions
Degeneration Articular Cartilage Knee
Interventions
CARTISTEM®
Biological
Lead sponsor
Medipost, Inc.
Industry
Eligibility
18 Years and older
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2017
U.S. locations
2
States / cities
Chicago, Illinois • Chestnut Hill, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jan 28, 2026 · Synced Sep 29, 2026, 5:19 PM EDT
Completed No phase listed Observational

Total Knee Arthroplasty Guidance Systems Study

NCT02830997
View directory record Official record
Conditions
Osteoarthritis, Knee, Arthroplasty, Replacement, Knee
Interventions
Stereotactic guidance system
Device
Lead sponsor
Ormonde M. Mahoney, MD
Other
Eligibility
45 Years and older
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2021
U.S. locations
1
States / cities
Athens, Georgia
Source: ClinicalTrials.gov public record
Updated Jul 19, 2022 · Synced Sep 29, 2026, 5:19 PM EDT
Recruiting No phase listed Observational

SportsPro: Post-Market Clinical Follow Up Study

NCT06320925
View directory record Official record
Conditions
Shoulder Injuries, Knee Injuries, Hip Injuries
Interventions
Standard of Care Treatment
Device
Lead sponsor
Stryker Endoscopy
Industry
Eligibility
18 Years and older
Enrollment
1,500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
3
States / cities
Phoenix, Arizona • Englewood, Colorado • San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated May 28, 2025 · Synced Sep 29, 2026, 5:19 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 Sep 29, 2026, 5:19 PM EDT
Completed No phase listed Observational Accepts healthy volunteers Results available

Optimized Loading Response by JOURNEY II BCS Knee Increases Daily Physical Activity and Functions

NCT02335710
View directory record Official record
Conditions
Knee Injuries
Interventions
Journey II BCS TKA
Device
Lead sponsor
The University of Tennessee, Knoxville
Other
Eligibility
40 Years to 85 Years
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2016
U.S. locations
3
States / cities
Knoxville, Tennessee
Source: ClinicalTrials.gov public record
Updated Oct 20, 2019 · Synced Sep 29, 2026, 5:19 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
Phoenix Kinetics
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 Aug 30, 2026 · Synced Sep 29, 2026, 5:19 PM EDT
Completed Not applicable Interventional Results available

Does Implant Design Improve Postoperative Flexion?

NCT00380861
View directory record Official record
Conditions
Non-inflammatory Arthritis
Interventions
Total knee replacement using the PFC Sigma RPF knee implant., Total knee replacement using the PFC Sigma RP knee implant
Device
Lead sponsor
DePuy Orthopaedics
Industry
Eligibility
40 Years to 70 Years
Enrollment
93 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2009
U.S. locations
4
States / cities
Denver, Colorado • Jacksonville, Florida • Iowa City, Iowa + 1 more
Source: ClinicalTrials.gov public record
Updated Jul 23, 2023 · Synced Sep 29, 2026, 5:19 PM EDT
Completed No phase listed Observational

A Single-Center, Epidemiological Study of the Survivorship of the DePuy Sigma HP Unicompartmental Knee Prosthesis

NCT01656694
View directory record Official record
Conditions
Osteoarthritis, Unicompartmental Knee Arthroscopy
Interventions
DePuy Sigma HP Partial Knee
Device
Lead sponsor
Mississippi Sports Medicine and Orthopaedic Center
Other
Eligibility
18 Years and older
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2016
U.S. locations
1
States / cities
Jackson, Mississippi
Source: ClinicalTrials.gov public record
Updated Mar 21, 2018 · Synced Sep 29, 2026, 5:19 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Total Knee Arthroplasty Biomechanics

NCT03671954
View directory record Official record
Conditions
Total Knee Arthroplasty (TKA)
Interventions
Home Strengthening Exercises, Standard Physical Therapy, Preoperative Assessments
Behavioral · Other
Lead sponsor
University of Florida
Other
Eligibility
18 Years to 90 Years
Enrollment
38 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2023
U.S. locations
4
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Nov 29, 2023 · Synced Sep 29, 2026, 5:19 PM EDT