275 recruiting studies matching your filters
This study aims to develop and evaluate biomarkers using non-invasive optical coherence tomography (OCT) and OCT angiography (OCTA) as well as ultra-widefield …
The purpose of this study is to use a brain imaging method called Pittsburgh B (PIB) Positron Emission Tomography (PET) and Vesicular Cholinergic Transport (VA…
The goal of this clinical trial is to learn if a Decision Aid can help patients with Parkinson's disease make a decision about undergoing Deep Brain Stimulatio…
The purpose of this Parkinson's Disease Registry is to assist with recruitment of willing participants into future Parkinson's disease research studies at the …
The purpose of this research is to examine the possible causes and signs of freezing of gait (FOG) secondary to Parkinson's disease (PD). To achieve this, the …
The goal of this clinical trial is to learn if taking a tributyrin supplement works to improve memory and thinking and walking and balance in adults with Parki…
This study aims to learn about the effects of continuous positive airway pressure (CPAP) on people with autonomic failure and high blood pressure when lying do…
By defining the strength and direction of connectivity patterns at rest and during movement across the basal ganglia-thalamocortical (BGTC) network we will cha…
Parkinson's Disease (PD) is a neurodegenerative disorder caused by dysfunction in both subcortical structures and the cortex. The investigators recently discov…
Subjects will receive prototype devices to be used for participation. The study comprises three phases: 1. Alpha phase: Two remote study visits and an in-home…
To test the feasibility of studying effects of smoking cessation with varenicline on antipsychotic drug-induced neurological side effects, we propose a 12 week…
This is a randomized, double-blind, placebo-controlled, dose-escalation study in healthy subjects to evaluate the safety, tolerability, pharmacokinetics of HL-…