Evaluation of the Effectiveness of the Parkinson Specialized Teams Intervention

Inclusion Criteria: For the patient: * Patient with a diagnosis of idiopathic Parkinson's disease * Patient over 18 years ; * Patient with a Hoehn and Yahr Stage greater than or equal to 3; * Patient without major cognitive impairment defined by a MOCA score ≥21 * Patient living at home ; * Patient with an identified non-professional primary caregiver; * Person affiliated with or benefiting from a social security plan; * Free, informed and and express consent (confirmed in writing) (no later than the day of inclusion and before any examination required by the research). For the caregiver: * Male or female over 18 years * Able to respond to research interviews/questionnaires * Free, informed and express consent (confirmed in writing) (no later than the day of inclusion and before any examination required by the research). Exclusion Criteria: For the patient: * Patient with medically indicated dementia impairing comprehension and adherence, and/or with severe confusion or psycho-hallucinatory state; * Institutionalized or foster care patients; * Patients with a known severe and unstable general pathology that does not allow for patient follow-up; * Patients already included in another non-drug management trial; * Patients whose institutionalization is envisaged in the short term (within 6 months) or for whom a change of residence is envisaged in the short term and would not allow for follow-up assessments; * Patients under guardianship or unable to express consent * Primary caregiver not wishing to participate in the study or unable to be available for the planned study follow-up; * Presence of a primary caregiver with a known severe and unstable disease that does not allow for the conduct of the study; * Presence of a primary caregiver with a known cognitive or psychiatric disorder (chronic progressive psychosis) that does not allow for the proper conduct of the study. * Pregnant or breastfeeding woman. For the caregiver: * Unable to follow the research interviews or questionnaires. * Primary caregiver not wishing to participate in the study or unable to be available for the planned study follow-up; * Primary caregiver with a known severe and unstable illness that does not allow for the proper conduct of the study; * Primary caregiver with known cognitive or psychiatric disorders (chronic progressive psychosis) that do not allow the study to be conducted properly.