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

UMIN ID: UMIN000005879

Registered date:01/07/2011

Basic Information

• Recruitment status: Complete: follow-up complete
• Health condition(s) or Problem(s) studied: Hip Disease
• Date of first enrollment: 2011/07/01
• Target sample size: 1308
• 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: Gifu University Hospital
• Secondary Sponsor: Oita U, Kawasaki Medical U, Gifu U, Keio U, Saitama Medical U, Sapporo Medical U, Chiba U, Miyazaki U, Yamaguchi U, Yokohama City U
• Source(s) of Monetary Support: Smith & Nephew Orthopaedics KK