DUPARC

The DUPARC study is a single center, prospective, observational study of newly diagnosed patients with Parkinson's disease with follow-up after one year and three years, with the intention of an extended follow-up with three-year intervals. The DUPARC study allows for allows for subject characterization across a wide variety of domains, with a focus on three domains in particular: cognition, gastro-inestinal function and vision.