Inclusion Criteria:  Adult Patients (18 years old and over) with Advanced Parkinson Disease already under treatment with Lecigon® in accordance with the Summary of Product Characteristics (SmPC) Patients or legal representative must have signed informed consent to participate in the study Patients are not taking part in another clinical (interventional) study at the same time  Exclusion Criteria:  Patients with contraindications as defined in the current version of the SmPC for Lecigon® Patients with pump placement or pump use issues, e.g. patients with acute severe illness, patients unable to perform pump therapy, and in case of lacking compliance due to severe dementia, agitation or alcohol abuse