Study to Determine the Changes in Cognition in Patients with Parkinson’s Disease
The purpose of this study is to determine the changes in cognition over time in Parkinson’s disease patients with and without mutations in the glucocerebrosidase (GBA) gene. 262 patients will be recruited for this study in the Chicago area over a 5 year period.
In order to participate you must meet the following criteria:
- Have developed Parkinson’s disease symptoms under the age of 60.
- Have had Parkinson’s disease for at least 5 years.
- If you have had deep brain stimulation, your surgery must be within the past 2 years.
You will be excluded from the study if any of the following criteria apply to you:
- Have severe dementia.
This is a partial list of inclusion and exclusion criteria.