A Multicenter Prospective Randomized Control Study on Persona Total Knee

Status Active, not recruiting

Clinical Trial Summary

A multicenter, prospective randomized controlled trial comparing the Persona knee system to the Nexgen knee system in total knee arthroplasty.

Clinical Trial Description

Knee replacement is an established treatment for late stage osteoarthritis (OA) of the knee. There is an increasing demand for joint replacement in a younger population. Due to the changing demographics of joint replacement, the population of younger patients are seeking options that not only correct their disease or deformity, but do not limit them in activity. Studies have shown that modern implant designs can potentially improve outcome. Therefore new implants are introduced to the marked with the theoretical benefit of improved implant survival and superior patient reported outcomes. Within Total knee arthroplasty, design changes are introduced in an attempt to improve knee kinematics, functionality and outcome, but those potential improvements need to be evaluated. The NexGen Total Knee System is a knee replacement system with well a documented performance and has been the device of choice in many institutions. Recently, Zimmer-Biomet have introduced Persona Total Knee system with design changes that include asymmetric tibia plate, increased medial pivoting and more extensive choices in respect to poly thickness, all with the purpose to improve balancing, stability and longevity. Such design changes and proposed benefits need to be evaluated in a prospective clinical trial, with focus on patient safety, satisfaction and implant durability. The aim is to evaluate intra-operative and postop complications, long-term survivorship and patient reported outcome measures following primary total knee replacement using Persona Cruciate Retaining (CR) total Knee system compared to NexGen Cruciate Retaining (CR) total Knee System. This project is carried out as a 2-arm randomized controlled single-blinded trial. A total of 314 participants are to be included at 6 centers in Denmark. Participants are seen on an outpatient basis at 3 months and 1 and 2 years postoperatively. After 2-year follow-up the patients will be followed for survivorship through the Danish Knee Arthroplasty Registry. ;

Study Design

Related Conditions & MeSH terms

Osteoarthritis, Knee

Clinical Trial Details

NCT number	NCT03073941
Study type	Interventional
Source	Zimmer Biomet
Contact
Status	Active, not recruiting
Phase	N/A
Start date	December 2016
Completion date	December 31, 2031

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Clinical trials are conducted in a series of steps, called phases - each phase is designed to answer a separate research question.

Phase 1: Researchers test a new drug or treatment in a small group of people for the first time to evaluate its safety, determine a safe dosage range, and identify side effects.
Phase 2: The drug or treatment is given to a larger group of people to see if it is effective and to further evaluate its safety.
Phase 3: The drug or treatment is given to large groups of people to confirm its effectiveness, monitor side effects, compare it to commonly used treatments, and collect information that will allow the drug or treatment to be used safely.
Phase 4: Studies are done after the drug or treatment has been marketed to gather information on the drug's effect in various populations and any side effects associated with long-term use.

A Multicenter Prospective Randomized Control Study on Persona Total Knee System vs NexGen

Clinical Trial Summary

Clinical Trial Description

Study Design

Related Conditions & MeSH terms