Fully Constrained Acetabular Liner vs. Dual Mobility Hip Joint in the Surgical Treatment of Metastatic Bone Disease of the Hip

Inclusion Criteria: * Diagnosed with metastatic bone disease of the hip defined as bone lesions in the proximal femur because of secondary malignant growth of a primary cancer located elsewhere or bone lesions in the proximal femur due to hematological malignancies * Determined eligible for total hip arthroplasty for metastatic bone disease of the hip and is planned to undergo surgery at the study site * Provides informed consent prior to initiation of any study-specific activities/procedures Exclusion Criteria: * Previous osteosynthesis or endoprosthetic surgery of the ipsilateral hip * Pelvic reconstruction of the ipsilateral hip * Total femoral replacement of the ipsilateral femur * It is not surgically viable to insert an acetabular cup and/or a femoral stem * Subject is currently or has previously been enrolled in this study * Subject is incapable of understanding the patient information or unable to provide informed consent