Wear of 32mm Oxidized Zirconium (OXINIUM) head on Cross-linked Polyethylene in Primary Total Hip Arthroplasty: Multicenter Randomized controlled Trial Study

UMIN ID: UMIN000007309

Registered date:16/02/2012

Basic Information

• Recruitment status: Complete: follow-up complete
• Health condition(s) or Problem(s) studied: Hip Disease
• Date of first enrollment: 2012/02/01
• Target sample size: 352
• Countries of recruitment: Japan
• Study type: Interventional

Intervention(s)

Implantation of oxidized zirconium alloy femoral head
Implantation of cobalt-chrome alloy femoral head

Outcome(s)

• Primary Outcome: Linear wear of polyethylene liner

Key inclusion & exclusion criteria

• Age minimum: Not applicable
• Age maximum: 75years-old
• Gender: Male and Female
• Exclude criteria: 1. Revision THA 2. Implantation of all-polyethylene cup 3. THA case with need to use lateralized and anteverted liner in the pre-op planning 4. Patient unable to evaluate Oxford Hip Score 5. Patient expected to live less than 5 years

Related Information

• Primary Sponsor: Smith & Nephew Orthopaedics
• Secondary Sponsor: Kurume University Medical Center, Nagasaki Rosai Hospital, Kochi Medical School Hospital
• Source(s) of Monetary Support: Smith & Nephew Orthopaedics