Treating Parkinson's Disease Through Transplantation of Autologous Stem Cell-Derived Dopaminergic Neurons: This study is about testing the safety of putting special cells, called dopaminergic progenitor cells, into the brains of people with Parkinson's Disease. These cells come from the participant's own skin cells. The process is called autologous transplantation. It means the cells used come from the same person who receives them. The cells are put into a brain area called the putamen under general anesthesia, which means you are fully asleep during the procedure. Participants will be followed for 2 years to make sure the procedure is safe. This involves regular doctor check-ups and scans like CT and MRI to look at the brain.

• The study lasts for 2 years with regular follow-up visits.
• Participants must be willing to follow all study procedures.
• There are specific health criteria participants must meet.