Overview Safety and Efficacy Study of VY-AADC01 for Advanced Parkinson's Disease Status: Active, not recruiting Trial end date: 2021-12-01 Target enrollment: Participant gender: Summary Safety and efficacy of AADC gene transfer in participants with Parkinson's disease. Phase: Phase 1 Details Lead Sponsor: Neurocrine BiosciencesVoyager TherapeuticsCollaborator: Voyager Therapeutics