Abstract
Background: The Montreal Cognitive assessment (MoCA) is a well-validated global cognitive screening instrument. Its validity in progressive supranuclear palsy (PSP) has not been assessed. Objectives: To evaluate the MoCA as an outcome measure in PSP clinical trials. Methods: Cognitive data from 162 participants in the placebo arm of the Biogen PASSPORT study (NCT03068468) were analyzed using linear mixed-effects modeling (LMM) and repeated measures correlation. Results: There was a significant decline in the MoCA score over time of −1.4 (95% CI −0.84 to −1.97) points over a 48-week period (p < 0.0001). Small but significant changes (p < 0.01) were observed in all MoCA domains except abstraction. The MoCA correlated weakly with the Repeatable Battery for the Assessment of Neuropsychological Status (RBANS) over time (rrm = 0.1, p = 0.02) but exhibited a stronger correlation with the PSP Rating Scale (PSPRS) (rrm = −0.25, p < 0.0001). Conclusion: The MoCA appears to have limited sensitivity in capturing cognitive decline in PSP.
| Original language | English (US) |
|---|---|
| Article number | 1501206 |
| Journal | Frontiers in Neurology |
| Volume | 15 |
| DOIs | |
| State | Published - 2024 |
Keywords
- MoCA = Montreal Cognitive Assessment
- PSP
- cognitive outcome measure
- fluency
- progressive supranucelar palsy
ASJC Scopus subject areas
- Neurology
- Clinical Neurology
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