| Active, not recruiting | N/A | 20 | Europe | Mindfulness Based Stress Reduction | University Hospital, Bordeaux | Parkinson Disease | 12/23 | 12/23 | | |
| Recruiting | N/A | 100 | Europe | CSF, blood and urine sampling, clinical measures of disease severity and progression | University Hospital, Bordeaux | Parkinsonian Syndromes, Parkinson's Disease, Multiple System Atrophy, Progressive Supranuclear Palsy | 12/23 | 12/25 | | |