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Clinical Trial Summary

The couple of friction metal-polyethylene is regarded as the couple of reference in spite of the osteolysis induced by the wear of the polyethylene which remains the independent factor of long-term failure. This is all the more true as the patients are young, thus justifying the recourse to alternate couples of friction. The Metasul® couple was introduced on the French market under its current form in 1995 (year of its marking EC). The use of a couple of friction metal-metal (MM) is justified because it would be likely to improve longevity of the total arthroplasties of the active subjects by the reduction in osteolysis related to the wear of polyethylene. Various studies highlight evolutions different according to the types of fixing acetabular; favourable results of the not cemented cups contrasting with unsealings and the evolutionary edgings of the Metasul® cups cemented of or the cups "of cemented Weber type".


Clinical Trial Description

Radiographies standards allow the follow-up of the total prostheses of hip but those underestimate the incidence and the extension of osteolyses perished-acetabular which are generally asymptomatic initially. The lack of international consensus on the definition of the parameters of interpretation of the radiological follow-up of the PTH makes difficult the comparison of the various results. The purpose of the study is to evaluate the presence of geodes acetabular and femoral with scan examination. ;


Study Design

Allocation: Non-Randomized, Intervention Model: Single Group Assignment, Masking: Open Label, Primary Purpose: Treatment


Related Conditions & MeSH terms


NCT number NCT01349179
Study type Interventional
Source University Hospital, Clermont-Ferrand
Contact
Status Completed
Phase N/A
Start date December 2010
Completion date September 2011

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