Long-Term Follow-up Study of Participants Exposed to Renal Autologous Cell Therapy Frozen Product

This observational extension study is a multi-center, prospective, non-therapeutic study, where up to 50 participants who have been enrolled and dosed with Renal Autologous Cell Therapy in previous interventional clinical studies (REGEN-007, REGEN-006, REGEN-015) will be monitored for up to five years with alternating in clinic and phone visits.