| Recruiting | N/A | 260 | Europe | Diagnosis of MCI versus No MCI (SCI or healthy patient) | Assistance Publique Hopitaux De Marseille | Mild Cognitive Impairment (MCI) | 07/23 | 07/23 | | |
| Recruiting | N/A | 900 | US | | University of Arizona, Banner Health, Barrow Neurological Foundation, Mayo Clinic, National Institute on Aging (NIA), National Institutes of Health (NIH) | Alzheimer's Disease, Mild Cognitive Impairment, Age-Related Memory Disorders | 12/24 | 07/25 | | |