Patients Inclusion Criteria :  Patients suffering from "possible" or "probable" MSA according to clinical consensus criteria Living at home Presence of at least one close person (family caregiver or not) in the entourage Unified Multiple System Atrophy Rating Scale (UMSARS) IV ≤4 Written informed consent Patient covered by the national health system  Caregivers Inclusion Criteria :  Age > 18 Able to answer to study scales and survey Written informed consent  Patients Exclusion Criteria:  Unified Multiple System Atrophy Rating Scale (UMSARS) IV > 4 Absence of at least one close person  Caregivers Inclusion Criteria :  - Enable to answer to study scales and survey