To Assess the Safety and Effectiveness of Hyruan ONE Versus a Comparator for the Treatment of Knee Osteoarthritis in Europe

Inclusion Criteria: 1. Subject is ≥40 years old. 2. Subject has radiographic evidence of mild-to-moderate OA (Kellgren Lawrence Scale grade II III) in one or both knees. Radiographs to be taken within 12 months prior to the Screening visit. 3. Subject has OA pain in the target knee despite conservative physical treatments and/or analgesics. Exclusion Criteria: 1. Subject has rheumatoid arthritis or other inflammatory metabolic arthritis. 2. Subject has a documented history of hypersensitivity to HA. 3. Subject has a documented infection or severe inflammation of the target knee joint. 4. Subject has a skin disease in the area of the injection site. 5. Subject has a clinically apparently tense effusion of the target knee on examination determined by either a positive bulge sign or positive ballottement of the patella (patellar tap). 6. Subject has chronic pain requiring chronic ongoing analgesic therapy that confounds the measurement of pain in the target knee.