A Comparison of Anatomically Aligned Versus Conventional in Unilateral

Status Not yet recruiting

Clinical Trial Summary

Total knee arthroplasty(TKA) is a successful orthopedic surgery with excellent clinical outcome and survival. However, there are concerns about patient satisfaction in previous reports, and dissatisfaction rate of 15-30% is reported in clinical outcomes(PROMs) of some studies. Therefore, for improving the patient's outcome and satisfaction after total knee arthroplasty, it is necessary to change the design of the conventional total knee arthroplsaty implant. The knee is a joint structure with several dynamic functions, and not only the skeletal structure but also the soft tissue balance plays an important role in the function of the knee joint. New implants are being developed to overcome the limitations of conventional TKA implant, including the Journey II Bi-cruciate substituting total knee system (JII-BCS; Smith & Nephew). JII-BCS implant has normal articular geometry, more anatomical femoral shape, lateral tibial convex geometry, and asymmetrical tibial plateau, anterior and posterior cams, which has been shown in experimental studies to produce nearly normal knee movement by reproducing the actual normal anatomical alignment in vivo. The clinical results of the kinematic effects of this anatomcally aligned change are insufficient, and there is also a lack of comparative studies with conventional total knee arthroplasty implant. The purpose of this study is to compare outcomes between anatomically aligned TKA(JII-BCS) and conventional TKA(Legion total knee system, Smith & Nephew). This study is a randomized controlled study in patients undergoing unilateral total knee arthroplasty. A patient will undergo unilateral TKA with anatomically aligned or conventional TKA implant. The implant is determined using a random number table. Radiologic parameter, patients preference and clinical results was investigated in patients who received unilateral TKA during minimum 2 year follow up.

Clinical Trial Description

n/a

Study Design

Related Conditions & MeSH terms

Anatomically Aligned Total Knee Arthroplasty
Knee Osteoarthritis
Osteoarthritis, Knee

Clinical Trial Details

NCT number	NCT04181528
Study type	Interventional
Source	The Catholic University of Korea
Contact	Yong In, MD, PhD
Phone	821090445228
Email	iy1000@catholic.ac.kr
Status	Not yet recruiting
Phase	N/A
Start date	December 1, 2019
Completion date	December 31, 2022

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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 Comparison of Anatomically Aligned Versus Conventional in Unilateral Total Knee Arthroplasty

Clinical Trial Summary

Clinical Trial Description

Study Design

Related Conditions & MeSH terms