Parkinson's Disease
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: - Male or female subjects diagnosed with idiopathic PD according to UK Parkinson's Disease Society Brain Bank Clinical Diagnostic Criteria with Hoehn & Yahr stage 2-4 - Ability to obtain written inform consent (IC) for participation in the study - Age of > 30 years (inclusively) - Score of 5 or more on the Pittsburgh Sleep Quality Index score (PSQI) or Excessive daytime sleepiness (EDS) defined by an Epworth Sleepiness Scale (ESS) score of 7 or more - Anti-PD treatment (such as levodopa formulations, dopamine agonists, selective MAO-B inhibitors, anticholinergic agents or amantadine) at a stable dose in the last 30 days prior to the initial screening assessment
Exclusion criteria
Exclusion criteria: - Atypical Parkinsonism (Subjects with Parkinsonian features caused by disorder such as multiple system atrophy, progressive supranuclear palsy, dementia with Lewy bodies or multiple brain infarcts) - Severity of Parkinson*s disease defined as stage 1 or 5 according to Hoehn & Yahr stages - Significant cognitive impairment as defined by the Mini-Mental State Examination (MMSE) score =14). Subjects with a lifetime history of suicidal attempt (including an active attempt, interrupted attempt or aborted attempt) - Antidepressant treatment for less than 3 months prior to screening - Participation in other, interventional, research studies - Known conditions associated with sleep disorders other than PD or conditions inferring with the delivery of the blue light treatment: • Obstructive sleep apnoea syndrome • Eye-related diseases (e.g. cataract, glaucoma, blindness) • Any other condition that in the opinion of the investigator may interfere with the interpretation of the study results or constitute a health risk for the subject if he/she takes part in the study • Current or history of malignancy or migraine within 5 years before screening Current use or use within three months prior the initial screening of hypnosedative or stimulant drugs such as benzodiazepines or melatonin
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| The primary outcome of this study will be the change in Pittsburgh Sleep Quality Index score (PSQI). | — |
Secondary
| Measure | Time frame |
|---|---|
| The following parameter will serve as secondary outcome measures: a. Motor Symptoms measurements: - The MDS-Unified Parkinson*s Disease Rating scale (MDS-UPDRS) parts I-IV b. Non- motor symptoms measurements: - Sleep impairment: Epworth Sleepiness Scale (ESS), Global Impression of Clinical Change (GICC), sleep diary - Cognition: Mini-Mental State Examination (MMSE), Montreal Cognitive Assessment (MoCA) - Depression and Anxiety: Hamilton Depression Rating Scale (HADS) | — |
Countries
Netherlands