| Active, not recruiting | N/A | 252 | Europe, RoW | Device: Persona Total Knee, Device: NexGen Total Knee, Device: Vanguard Total Knee | Zimmer Biomet | Knee Pain, Chronic Osteoarthritis, Avascular Necrosis of the Femoral Condyle, Moderate Varus, Valgus or Flexion Deformities, Rheumatoid Arthritis | 03/25 | 03/25 | | |