View clinical trials related to Nervous System Diseases.
Filter by:The purpose of this study is to assess the long term safety of SCH 420814 (preladenant) in participants with moderate to severe Parkinson's Disease who are taking an L-Dopa/dopa decarboxylase inhibitor and/or dopamine agonist. All participants must have participated in the main study (P04501; NCT00406029) entitled "A Phase 2, 12 Week, Double Blind, Dose Finding, Placebo Controlled Study to Assess the Efficacy and Safety of a Range of SCH 420814 Doses in Subjects With Moderate to Severe Parkinson's Disease Experiencing Motor Fluctuations and Dyskinesias."
To compare the efficacy, safety and tolerability of Coenzyme Q 10 versus placebo in patients with atypical parkinsonian syndromes corticobasal degeneration (CBD) and progressive supranuclear palsy (PSP) ).
This study will examine how the brain rewires itself to make up for the lack of movement many people with stroke experience. It will try to determine if the rewiring differs depending on the location of the stroke and the amount of time since the stroke occurred. For some stoke patients, weakness may persist, while others recover completely after time. It is not known which parts of the brain are involved in the recovery of different types of stroke and if the type of stroke affects recovery. People 18 years of age and older who have had subacute thromboembolic or hemorrhagic stroke more than 3 months before enrolling may participate in this study. Participants come to the NIH Clinical Center three times every 2 years for up to 10 years. At the first visit, patients have a neurological examination and perform tests of motor abilities such as lifting small objects, turning cards, using a spoon, stacking checkers and lifting cans during a short period of time as rapidly as possible. At the second visit, subjects have structural magnetic resonance imaging (MRI) scans of the brain. MRI uses a strong magnetic field and radio waves to obtain images of body organs and tissues. The MRI scanner is a metal cylinder surrounded by a strong magnetic field. During the scan, the subject lies on a table that can slide in and out of the cylinder, wearing earplugs to muffle loud knocking noises associated with the scanning process. Total scan time is about 30 minutes At the third visit, subjects perform some simple movement tasks during functional MRI (fMRI) scans. The procedure is the same as with structural MRI, except that subjects are asked to perform simple movement tasks in the scanner. Before the fMRI scans, electrodes are attached to the subject's arms and legs to monitor muscle activity (surface electromyography). Total scan time is about 1.5 hours. Movement tasks might include pinching a force-measuring instrument with the fingers, pressing different keys on a keyboard as fast as possible, inserting pegs into small holes on a board, lifting weights, flipping cards or similar activities.
This is a case-controlled study using an innovative, non-invasive, FDA approved technology to measure the autonomic nervous system. Detection of unsuspected DPN or ANS dysfunction may allow physicians to re-assess current treatment and develop new dietary or pharmacological strategies. This also is an immense public health concern since there are currently 18 million diabetics in the United States and 220 million worldwide.
Fluid management study in patients with type 2 diabetes and autonomic neuropathy.
The purpose of the study is to assess the efficacy and safety of a range of doses of SCH 420814 (preladenant) when used together with a stable dose of L-dopa/dopa decarboxylase inhibitor to treat Parkinson's disease. In this study, we will be comparing 3 doses (1 mg, 2 mg, and 5 mg taken twice a day) of preladenant with placebo (sugar pill). Following an Interim Analysis (temporary hold for new enrollment-ongoing subjects will continue on treatment) to review drug safety, a new dose group of 10 mg (taken twice a day) may be added. Approximately 160 participants will be randomized in this study in approximately 22 study centers worldwide for the first part of this study. Following the Interim Analysis, 40 new participants may be added, for a total of 200 participants. The study is double blind, which means neither you nor your study doctor will know whether you are receiving the study medication or placebo.
The purpose of this study is to determine if the contrast agent is effective and safe in the Magnetic Resonance Imaging (MRI) of brain or spine diseases in patients of Chinese origin.
Angelman syndrome (AS) is a complex genetic disorder that affects the nervous system. The purpose of this study is to determine the effectiveness of certain dietary supplements in treating the symptoms of AS.
The purpose of the study was to assess the efficacy and safety of NGX-4010 applied for 30 or 60 minutes for the treatment of painful HIV-associated neuropathy.
Neuromyelitis optica (NMO) is a severe demyelinating disease that selectively involves the optic nerves and the spinal cord but usually spares the brain. NMO is considered to have a B cell induced pathogenesis. Mitoxantrone (MITO, Novantrone®), a synthetic anthracenedione approved for worsening relapsing-remitting multiple sclerosis (MS) and secondary progressive MS, has been shown to primarily suppress the humoral response. We conducted a prospective 2-year study to evaluate the benefit of MITO in five relapsing NMO patients.