Clinical trials: Knee Prosthesis
Prosthesis User, Amputation
Clinical Investigation (Beta) of Power Knee Mainstream - Dynamic
Prospective two group cross over investigation, comparing the investigational device (Power Knee, a powered microprocessor controlled prosthetic knee) and subjects prescribed microprocessor prosthetic knee (MPK).
- Trial name
- NCT04787627
- Testing
- Power Knee
- Where
- 2 sites in United States
- Volunteers
- 17 people
- Sponsor
- Össur Iceland ehf
Surgical Wound, Revision Total Knee Arthroplasty
Closed Incision Negative Pressure Therapy Versus Standard of Care Surgical Dressing in Revision Total Knee Arthroplasty
This study evaluates surgical site complications in subjects undergoing revision of a total knee arthroplasty when closed incision negative pressure therapy is used to manage the closed incision, as compared to a standard of care…
- Conditions
- Surgical Wound, Revision Total Knee Arthroplasty, Wounds and Injuries, Joint Disease
- Trial name
- PROMISES (NCT03274466)
- Testing
- Closed Incision Negative Pressure Therapy (ciNPT), Standard of Care Dressing
- Where
- 17 sites in United States
- Volunteers
- 294 people
- Sponsor
- KCI USA, Inc
Knee Osteoarthritis
A Prospective Study to Evaluate the iTotal Knee and iPoly XE Tibial Inserts
This study is designed to evaluate the clinical outcomes of subjects who have recently undergone surgery with the iTotal® Cruciate Retaining (CR) Total Knee Replacement System (KRS) who have also had iPoly XE Tibial Inserts…
- Trial name
- NCT03289754
- Testing
- iPoly XE tibial insert with ConforMIS iTotal KRS
- Where
- Germany
- Volunteers
- 52 people
- Sponsor
- Restor3D
Prosthesis User, Amputation
An Investigation of Functional Improvements in the RHEO KNEE Compared to Hydraulic Microprocessor Controlled Knees (MPKs)
The aim of this study was to evaluate the mobility, perceived safety and functioning of unilateral transfemoral (TF) amputees using the Rheo Knee XC compared to their existing prosthetic knee (RHEO KNEE II, III or Genium, X2 or…
- Trial name
- NCT04023578
- Testing
- RHEO KNEE XC
- Where
- 4 sites in United States
- Volunteers
- 15 people
- Sponsor
- Össur Iceland ehf
Amputation, Amputation; Traumatic, Leg, Lower
Clinical Outcomes With Passive MPKs vs. Powered Prosthetic Knees
The goal of this proposed project is to gather community-based data from the K4-level Transfemoral Amputee (TFA) population to aid in evidence-based prescription of powered prosthetic knees (i.e., choosing the right device to…
- Conditions
- Amputation, Amputation; Traumatic, Leg, Lower, Limb; Absence, Congenital, Lower, Prosthesis User
- Trial name
- NCT05267639
- Testing
- Power Knee
- Where
- 2 sites in United States
- Volunteers
- 13 people, healthy volunteers welcome
- Sponsor
- Liberating Technologies, Inc.
Lower Limb Amputation Below Knee (Injury)
Wear and Tear Evaluation of New Nike Sport Sole for Runnnig Prosthesis
Running Specific Feet are based on the original Flex-Foot design using the energy storage and release function as the main design feature. Running specific prosthetic feet are intended for running and jogging.
- Trial name
- NCT04787640
- Testing
- Nike Sport Sole
- Volunteers
- 3 people
- Sponsor
- Össur Iceland ehf
Arthroplasty, Replacement, Knee
Evaluation of Triathlon - a New Total Knee Prosthesis System - Triathlon vs. Duracon
The objective is to investigate the Clinical, Radiographic, Roentgen Stereophotogrammetric behaviour and patient outcome when using the Triathlon total knee prosthesis in a prospective randomized clinical trial.
- Trial name
- NCT00436982
- Testing
- Cemented Triathlon total knee system, Duracon total knee system
- Where
- Sweden
- Volunteers
- 60 people
- Sponsor
- Stryker Orthopaedics
Osteoarthritis
Comparison of Knee Kinematics for Subjects Implanted With Either a ConforMIS or Traditional Knee Implant
A better understanding of knee joint kinematics is important to explain the premature polyethylene wear failures within total knee arthroplasties (TKAs) and to help design a prosthesis that most closely approximates the normal…
- Trial name
- NCT01717001
- Where
- 2 sites in United States
- Volunteers
- 66 people
- Sponsor
- Restor3D
Osteoarthritis
A Multicenter Study to Evaluate Functional Outcome After Knee Replacement
Patients will be consecutively enrolled by implant. Implant groups will be those who have undergone surgery with either a ConforMIS iTotal® CR TKA or an Off-the- Shelf (OTS) system.
- Trial name
- NCT02494544
- Testing
- Off the Shelf Total Knee Replacement, ConforMIS iTotal Knee Replacement
- Where
- 8 sites in United States
- Volunteers
- 215 people
- Sponsor
- Restor3D
Arthritis, Osteoarthritis, Knee
Switching Drug Therapy for the Prevention of Blood Clot Formation From Enoxaparin to Rivaroxaban After Orthopedic Surgery for Either Total Hip or Total Knee Replacement
The study will describe the short-term effects the study drug, rivaroxaban, has on the body when a patient is switched from enoxaparin injection (by needle) to oral rivaroxaban (by mouth) for the prevention of blood clotting in…
- Conditions
- Arthritis, Osteoarthritis, Knee, Osteoarthritis, Hip, Thromboembolism
- Trial name
- NCT01094886
- Testing
- Rivaroxaban
- Where
- 5 sites in United States
- Volunteers
- 56 people
- Sponsor
- Ortho-McNeil Janssen Scientific Affairs, LLC
Osteoarthritis, Rheumatoid Arthritis
Randomized Fixed Bearing vs Mobile Bearing Cruciate Substituting TKA
The study will evaluate the clinical performance of the rotating platform and fixed bearing implants through patient questionnaires, outcomes scoring and radiographic assessment.
- Conditions
- Osteoarthritis, Rheumatoid Arthritis, Other Inflammatory Arthritis, Post-Traumatic Arthritis
- Trial name
- NCT00289107
- Testing
- Total Knee Arthroplasty, Total knee replacement
- Where
- 3 sites in United States
- Volunteers
- 149 people
- Sponsor
- DePuy Orthopaedics
Total Knee Arthroplasty, Osteoarthritis
A Study to Compare the NexGen CR and CR-Flex Knee Implants
The purpose of this study is to test for significant differences in functional outcomes, specifically pre-operative ROM and post-operative ROM obtained by using a NexGen CR versus a NexGen CR-Flex knee implant.
- Trial name
- NCT00761956
- Testing
- NexGen CR-Flex Fixed Bearing Knee, NexGen CR Knee
- Where
- 8 sites in United States
- Volunteers
- 189 people
- Sponsor
- Zimmer Biomet
Transfemoral Amputation, Artificial Limbs
Assist-Knee: Energy-Harvesting Knee Prosthesis
The purpose of this research is to validate the Assist-Knee design and function by collecting pilot data during the stand-to-sit-to-stand transition in transfemoral prosthesis users when using the Assist-Knee to harvest energy…
- Trial name
- NCT04023045
- Testing
- Assist-Knee, Habitual Prosthesis
- Where
- United States
- Volunteers
- 3 people
- Sponsor
- Orthocare Innovations, LLC
Prosthesis User, Amputation
Basic Mobility and Balance Performance of Low Active Transfemoral Prosthesis Users With a Powered Prosthetic Knee
This was a prospective case series design investigation with 6 prosthesis user subjects. Subjects performed the Timed up and go (TUG) test and the two minute walk test (2MWT) along with some activities of daily living (ADL), on…
- Trial name
- NCT04799145
- Testing
- Investigational device, Prescribed device
- Volunteers
- 6 people
- Sponsor
- Össur Iceland ehf
Arthroplasty, Replacement, Knee
Polyethylene Wear Study on the Triathlon Total Knee Prosthesis
Comparison of conventional UHMWPE (ultra-high-molecular-weight polyethylene) with highly cross-linked polyethylene (X3) in a condylar stabilizing (CS) fixed bearing total knee prosthesis by means of RSA and clinical evaluation.
- Trial name
- X3vsN2Vac (NCT02525588)
- Testing
- Triathlon CS fixed bearing total knee prosthesis
- Where
- Netherlands
- Volunteers
- 100 people
- Sponsor
- Stryker Orthopaedics
Amputation, Amputation; Traumatic, Leg, Lower
Socket Cooling Effectiveness Take Home Study
The comfort and fit of the residual limb within a prosthetic socket are of primary concern for many amputees. The residual limb is typically covered by non-breathable and non- thermally conductive materials that can create a warm…
- Conditions
- Amputation, Amputation; Traumatic, Leg, Lower, Amputation Stump, Limb; Absence, Congenital, Lower
- Trial name
- NCT04484805
- Testing
- ICE Condition
- Where
- 2 sites in United States
- Volunteers
- 12 people, healthy volunteers welcome
- Sponsor
- Liberating Technologies, Inc.
Knee Osteoarthritis
A Study to Compare the Press Fit Condylar (P.F.C.) Sigma Rotating-platform High-flexion (RP-F) Versus the Press Fit Condylar (P.F.C.) Sigma Rotating-platform (RP) Knee Implants
The main objective of this study is to determine if the P.F.C. Sigma RP-F Knee delivers a greater post-operative range of motion (ROM) compared with the P.F.C. Sigma RP Knee in primary TKA.
- Trial name
- NCT00733369
- Testing
- PFC Sigma RP-F, PFC Sigma RP
- Where
- 2 sites in Spain, United Kingdom
- Volunteers
- 106 people
- Sponsor
- DePuy International
Arthroplasty, Replacement, Knee
Evaluation of Triathlon - A New Total Knee Prosthesis System - Roentgen Stereophotogrammetric Analysis (RSA) Triathlon CR vs. PS
The objective is to investigate the Clinical, Radiographic, Roentgen Stereophotogrammetric behaviour and patient outcome when using the Triathlon total knee prosthesis in a prospective randomized clinical trial.
- Trial name
- TriathlonRSA (NCT02522728)
- Testing
- Triathlon CR, Triathlon PS
- Where
- Sweden
- Volunteers
- 58 people
- Sponsor
- Stryker Orthopaedics
Osteoarthritis
Study Comparing Fit of the iTotal Versus Standard Total Knee Implants
This study compares intraoperative fit of the patient-specific iTotal knee replacement to other standard knee replacement implants
- Trial name
- NCT01861028
- Where
- United States
- Volunteers
- 44 people
- Sponsor
- Restor3D
Amputation, Transfemoral Amputation
Investigation on a New Power Knee Firmware Update on Gait and Daily Life Activities for Transfemoral Amputees
The goal of this interventional study is to investigate a new firmware in development for Power Knee on gait and daily life activities in unilateral transfemoral amputees.
- Trial name
- NCT06620861
- Testing
- Power Knee Firmware Update, Power Knee Current Marketed Firmware
- Where
- United States
- Volunteers
- 6 people
- Sponsor
- Össur Iceland ehf