Affiliation:
1. Department of Neurology The Affiliated Brain Hospital of Nanjing Medical University Nanjing China
2. Jiangsu Province Hospital of Traditional Chinese Medicine Nanjing China
3. Department of Radiology The Affiliated Brain Hospital of Nanjing Medical University Nanjing China
4. Department of Clinical Laboratory The Affiliated Brain Hospital of Nanjing Medical University Nanjing China
Abstract
AbstractObjectiveGlucosylceramidase (GBA) variants and onset age significantly affect clinical phenotype and progression in Parkinson's disease (PD). The current study compared clinical characteristics at baseline and cognitive and motor progression over time among patients having GBA‐related PD (GBA‐PD), early‐onset idiopathic PD (early‐iPD), and late‐onset idiopathic PD (late‐iPD).MethodsWe recruited 88 GBA‐PD, 167 early‐iPD, and 488 late‐iPD patients in this study. A subset of 50 GBA‐PD, 81 early‐iPD, and 223 late‐iPD patients was followed up at least once, with a 3.0‐year mean follow‐up time. Linear mixed‐effects models helped evaluate the rate of change in the Unified Parkinson's Disease Rating Scale motor and Montreal Cognitive Assessment scores.ResultsAt baseline, the GBA‐PD group showed more severe motor deficits and non‐motor symptoms (NMSs) than the early‐iPD group and more NMSs than the late‐iPD group. Moreover, the GBA‐PD group had more significant cognitive and motor progression, particularly bradykinesia and axial impairment, than the early‐iPD and late‐iPD groups at follow‐up. However, the early‐onset GBA‐PD (early‐GBA‐PD) group was similar to the late‐onset GBA‐PD (late‐GBA‐PD) group in baseline clinical features and cognitive and motor progression.ConclusionGBA‐PD patients exhibited faster cognitive and motor deterioration than early‐iPD and late‐iPD patients. Thus, subtype classification based on genetic characteristics rather than age at onset could enhance the prediction of PD disease progression.
Funder
National Basic Research Program of China
National Natural Science Foundation of China
Subject
Pharmacology (medical),Physiology (medical),Psychiatry and Mental health,Pharmacology
Cited by
1 articles.
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