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Clinical Trial Summary

The primary objective of the study is to demonstrate the linear wear rates of the Trident® X3 polyethylene insert are superior to a polyethylene control group wear rate at 5 years postoperative. This measurement will be evaluated by comparing digitized images of serial radiographs obtained over a follow-up period of 5-years.


Clinical Trial Description

The study is a prospective, multi-center, historical-controlled clinical evaluation of the Trident® X3 Polyethylene insert. The device is commercially available in the United States where the study is being conducted. The study device, the Stryker Orthopaedics Trident® X3 polyethylene insert, is used for the replacement of the bearing surface of the acetabulum to relieve pain, instability, and the restriction of motion due to degenerative bone disease, including osteoarthritis, rheumatoid arthritis, trauma, or failure of other devices. The control device, the Stryker Orthopaedics N2VAC polyethylene insert, is also used for the replacement of the bearing surface of the acetabulum to relieve pain, instability, and the restriction of motion due to degenerative bone disease, including osteoarthritis, rheumatoid arthritis, trauma, or failure of other devices. ;


Study Design


Related Conditions & MeSH terms


NCT number NCT00958191
Study type Interventional
Source Stryker Orthopaedics
Contact
Status Completed
Phase N/A
Start date May 2005
Completion date December 2016

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