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Corticostriatal Neurophysiology in Parkinson's Disease Cognitive Impairment
The goal of this study is to learn more about the brain activity underlying Parkinson's disease cognitive impairment. The investigators will utilize neural rec…
The Parkinson's Progression Markers Initiative (PPMI) Clinical - Establishing a Deeply Phenotyped PD Cohort
The Parkinson Progression Marker Initiative (PPMI) is a longitudinal, observational, multi-center natural history study to assess progression of clinical featu…
Deep Brain Stimulation (DBS) Retrospective Outcomes Study
The primary objective of this study is to characterize real-world clinical outcomes of Deep Brain Stimulation (DBS) using retrospective review of de-identified…
Neurophysiology of Reward Signaling in Parkinson's Disease
The goal of this study is to learn more about the brain activity underlying Parkinson's disease risk taking and reward seeking behaviors. The investigators wil…
Longitudinal TSPO PET Imaging With [18F]DPA-714 in PPMI (PPMI DPA-714 PET Imaging)
The overall goal of this protocol is to investigate \[18F\]DPA-714 binding in prodromal and early manifest Parkinson's Disease (PD) and to determine the baseli…
Imaging Core Aim 2, and Udall Project 2 Aim 2
More than one million people in the United States have Parkinson's disease (PD) and the prevalence is expected to double by 2040. Over 60% of these individuals…
Understanding Motivation in Parkinson's Patients Through Neurophysiology
The study aims to better understand motivation and value-based decision-making in Parkinson's patients through neurophysiology using Medtronic's Percept DBS de…
Effects of Transcranial Focused Ultrasound Stimulation (tFUS) on Neurological and Cognitive Outcomes in Parkinson's Disease
This is a pilot randomized, sham-controlled, double-blind, multi-center study evaluating the safety and preliminary effectiveness of the Gen0Bh Transcranial Fo…
A Phase 2, Randomized, Double-Blind, Placebo-Controlled Study and Open-Label Extension to Evaluate the Safety and Efficacy of NEU-411 in Companion Diagnostic-Positive Participants With Early Parkinson's Disease (NEULARK)
The goal of this Phase 2 clinical trial is to investigate the efficacy and safety of NEU-411 in men and women aged 40-80 years with early Parkinson's Disease (…
Biochemical Characterization of Parkinson's Disease-related Proteins in the Enteric Nervous System as a Proxy for Pathological Changes in the Brain
Parkinson's disease affects all the nerve cells in the body, including the ones in the gut. The gut contains its own nervous system, the enteric nervous system…
Natural History Study of Synucleinopathies
Synucleinopathies are a group of rare diseases associated with worsening neurological deficits and the abnormal accumulation of the protein α-synuclein in the …
A Randomized, Double-Blind, Placebo-Controlled, Phase II Study to Evaluate the Safety, Tolerability, and Efficacy of Intranasal Insulin and Glutathione as an Add-On Therapy in Subjects With Parkinson's Disease (NOSE-PD)
This study will be evaluating the safety and efficacy of insulin and glutathione in subjects with Parkinson's Disease compared to placebo.