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Displaying 3 studies
The purpose of this study is to develop a diagnostic test using tissue biomarkers to provide an accurate diagnosis of alpha-synucleinopathies in patients with Parkinson's disease, Multiple System Atrophy, Dementia with Lewy bodies and Pure Autonomic Failure. Using a simple diagnostic test will improve clinical accuracy in diagnosing, earlier diagnosis, and distinguishing between neurodegenerative diseases.
The purpose of this research study is to better understand why patients with a disease that causes problems with the autonomic nervous system often have high blood pressure when they lie down. We hope that if we learn more about the cause for this problem, we will be able to treat the problem better in the future.
The purpose of this study is to study the structure and biochemistry of the brain and/or bodily fluid and tissue after death. Comparison of specimens from normal and diseased individuals provide essential clues that lead to a greater understanding of the diseased state which, in turn, will lead to new ideas for therapy.