This study is for people with Parkinson's Disease, a condition affecting the brain that causes shaking and movement problems. The study is testing a new treatment called XS411CN, which is a special type of cell injection made from stem cells. These are cells that can grow into different types of cells in the body. The treatment involves a surgery to put these cells into a part of the brain called the putamen.
Participants will have a 28-day observation period after the surgery to see if the treatment is safe and to check for any side effects. They will also take medicines called immunosuppressants to help their body accept the new cells. The study will include 12 to 18 people with Parkinson's Disease who meet specific criteria.
- Time Commitment: 28 days of close observation after surgery.
- Eligibility: Must be between 50-75 years old and have had Parkinson's for at least 5 years.
- Risks: Possible side effects from surgery and new cell treatment.