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Progression of Prodromal Markers of α-synucleinopathy Neurodegeneration in the FDRs of Patients With RBD

REM Sleep Behavior Disorder Clinical Trial

Official title:
Progression of Prodromal Markers of α-synucleinopathy Neurodegeneration in the First-degree Relatives of Patients With REM Sleep Behavior Disorder: a 5-year Prospective Study

Clinical Trial Summary

This study is a prospective study with a mean of 5-year follow-up interval, aims to monitor the progression of α-synucleinopathy neurodegeneration by the evolution of prodromal markers and development of clinical disorders in first-degree relatives (FDRs) of idiopathic REM Sleep Behavior Disorder (RBD) patients and healthy controls.

Clinical Trial Description

Idiopathic RBD is implicated as an integral part of progression of α-synucleinopathy neurodegeneration, and patients with idiopathic RBD have increased prevalence of non-motor symptoms (or prodromal markers) closely related to Parkinson's disease(PD). Moreover, the investigator's previous studies have further confirmed the familial aggregation of RBD, and first-degree relatives (FDRs) of RBD patients had more prodromal markers of Parkinson's disease compared with FDRs of healthy controls. In these regards, current prospective study aims to map the progression and evolution of prodromal markers (including autonomic dysfunction, olfactory loss, color vision impairment, neurocognitive impairment, neuroimaging of dopamine dysfunction, daytime sleepiness and psychiatric disorders), onset of RBD, and neurodegenerative diseases. Finally, other markers, such as physical activity and circadian rhythm and tonic electromyography (EMG) activity level, which have been found to be reliably associated with Parkinson's disease or other neurodegenerative diseases. In this regard, it is also interesting to investigate whether these indicators will additionally predict the progression of prodromal markers of PD. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT03671772
Study type Observational
Source Chinese University of Hong Kong
Contact
Status Completed
Phase
Start date September 27, 2018
Completion date April 27, 2020
View Details
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