A Washington University research study is currently enrolling participants with Parkinson's disease.

Updated on 16 April 2021
sleep disturbances
parkinson's disease
sleep study
poor sleep
difficulty staying asleep
sleep disorders
sleep disorder
sleep disturbance
parkinson disease


The purpose of the research study is to learn if light therapy reduces sleep problems associated with Parkinson’s disease and improves quality of life.
This study lasts 16 weeks. There will be five study visits. Each visit will last up to 4 hours. Up to $250.00 is provided for time and effort.



Condition Parkinson's disease
Clinical Study IdentifierTX260786
Last Modified on16 April 2021


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Inclusion Criteria

Participants must be 45 years of age or older
Participants must have diagnosed Parkinson's disease
Participants must have problems with sleep
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Additional screening procedures may be conducted by the study team before you can be confirmed eligible to participate.

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If you are confirmed eligible after full screening, you will be required to understand and sign the informed consent if you decide to enroll in the study. Once enrolled you may be asked to make scheduled visits over a period of time.

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Complete your scheduled study participation activities and then you are done. You may receive summary of study results if provided by the sponsor.

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