Safety Follow-up Study of Cellgram-ED in Post-Radical Prostatectomy Erectile Dysfunction

Safety evaluations will be conducted over a period of 4 years (±30 days) from the completion date of the parent clinical trial. During the safety follow-up period, participants will be monitored for adverse events, serious adverse events, and other clinically relevant safety parameters to assess the long-term safety profile of Cellgram-ED.