Osteoarthritis of the Hip, Osteo necrosis of the Femoral Head, Rheumatoid arthritis
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: (1) Inclusion criteria: 1) Osteoarthritis of the hip: advanced or end stage 2) Osteonecrosis of the Femoral Head: Stage 3A, 3B, or 4 3) Rheumatoid arthritis: Larsen Grade2 or greater than grade 2 (2) JOAscore<=69 (3) Patient's agreement (4) Age>=20
Exclusion criteria
Exclusion criteria: (1) Patient had previously received hip prosthesis in the same hip joint. (2) Patient received artificial joint prosthesis in lower extremity within 180 days. (3) In the other side of the hip; 1) loosening of total hip arthroplasty or hemiarthroplasty 2) osteotomy or soft tissue release around hip joint is scheduled within one year (4) Charnley category C (5) Body weight>=80kg, BMI>=30 (6) Severe osteoporosis (7) Abscess or infection around hip joint (8) Metal allergy (9) It is difficult to follow the hip precautions due to neurological disorder, mental illness, alcohol dependence, or drug abuse. (10) joined other clinical trial within 90 days (11) in pregnancy or scheduled to become pregnant during this clinical trial. (12) it is not possible to stop to use anticoagulant or antiplatelet drug from one week before surgery. (13) Patient who is determined to be excluded from the clinical trial due to any reasons by the study doctor.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| JOA Score | — |
Secondary
| Measure | Time frame |
|---|---|
| Efficiency: Radiographic assessment Safety: Adverse events Radiographic assessment | — |
Countries
Japan
Contacts
National University Corporation Asahikawa Medical University General Affairs Division