The East London Parkinson’s disease project – a case-control study of Parkinson’s Disease in a diverse population

Abstract There is a relative dearth of research on patients with Parkinson’s disease (PD) from under-represented ethnic groups in the United Kingdom. The East London Parkinson Disease project seeks to understand the clinical manifestations and determinants of PD in a diverse population. Data on clin...

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Main Authors: Alexandra Zirra, Kamalesh C. Dey, Ellen Camboe, Sheena Waters, Tahrina Haque, Brook Huxford, Harneek Chohan, Natalie Donkor, Joshua Kahan, Aaron Ben-Joseph, David A. Gallagher, Caroline Budu, Thomas Boyle, Cristina Simonet, Andrew J. Lees, Charles R. Marshall, Alastair J. Noyce
Format: Article
Language:English
Published: Nature Portfolio 2025-06-01
Series:npj Parkinson's Disease
Online Access:https://doi.org/10.1038/s41531-025-01031-x
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Summary:Abstract There is a relative dearth of research on patients with Parkinson’s disease (PD) from under-represented ethnic groups in the United Kingdom. The East London Parkinson Disease project seeks to understand the clinical manifestations and determinants of PD in a diverse population. Data on clinical features were collected, between 2019 and 2024. We assessed 218 patients with PD and 90 controls. Among them, 50% of patients and 64% controls identified as South Asian or Black. South Asian and Black patients had significantly worse motor scores compared to White patients (mean [SD], 42.2 [18.8], and 47.0 [16.6] vs 35.2 [16.4], p < 0.001 and p < 0.001). Cognitive impairment was more prevalent in South Asian (73%) and Black patients (75%) than in White patients (45%, p = 0.002). Our results suggest that patients with PD from South Asian and Black ethnic groups may have more severe motor and certain non-motor features, including cognitive impairment, compared to White patients.
ISSN:2373-8057