Follow-up Study for Participants Jointstem Clinical Trial

Open, Multicenter Follow-up Trial About Active Group of Phase IIb Clinical Trial of JOINTSTEM in Patients With Degenerative Arthritis

This study is a long term follow-up study to investigate the safety of autologous transplantation of Adipose Tissue derived Mesenchymal stem cells (MSCs) in patient with Knee Osteoarthritis.

Inclusion Criteria:

• Patients must consent in writing to participate in the study by signing and dating an informed consent document
• Patients who transplanted Jointstem on phase 2b clinical trial

Exclusion Criteria:

• Preparing for Pregnancy or Pregnant women or lactating mothers.
• Patients who the principal investigator considers inappropriate for the clinical tria