 The subjects of this therapy were regenerative patients with KL grade 24 aged 18 or older. JOINTSTEM is expected to be used in patients who have significantly damage cartilage due to its cartilage regeneration ability, in addition to its improvement of pain and joint performance. A;sp. Patients who had already undergone knee arthroplasty can delay their additional surgery with the use of JOINTSTEM. For dose who still have their own cartilage, arthroplasty is not an immediate treatment option, and osteoporosis patients who cannot undergo arthroplasty due to their advanced age can receive JOINTSTEM. 