View clinical trials related to Nervous System Diseases.
Filter by:The purpose of this study was to assess the safety and enhancing properties of the magnetic resonance imaging (MRI) contrast agent MultiHance in children aged 2 to 17 years having central nervous system (CNS) disorders.
This is a double-blind, placebo-controlled, parallel groups study to determine whether prosptide is effective in relieving pain in patients who have sensory neuropathic pain related to their HIV infection or the drugs used to treat it.
Gait disorders and falls are frequent in patients with parkinsonian syndromes. In patients with Parkinson's disease (PD), these signs occurred later during the course of the disease in comparison to patients with other degenerative parkinsonian disorders. The pathophysiology of these symptoms are still not fully understood. Gait initiation challenges the balance control system as the body moves from an upright stable static posture to a continuously unstable gait. The aim of this study is to analyse the gait initiation process in patients with parkinsonian disorders.
This study is an open-label, multicenter, extension study for subjects who completed NeurogesX Study C111 and received treatment with NGX-4010 (Capsaicin Patch) within 12 weeks (up to +7days) before entry into Study C114
The purpose of the study is to determine if an investigational drug, NGX-4010 (high-concentration capsaicin patch), is safe, tolerable and effective in treating painful HIV-associated neuropathy.
This study will conduct tests in patients with primary chronic autonomic failure (CAF) to learn more about these disorders, which include pure autonomic failure, multiple system atrophy, Parkinson's disease with autonomic failure, and autoimmune autonomic neuropathy. Healthy volunteers and patients with primary CAF 18 years of age or older may be eligible for this study. Participants undergo some of the following tests: - Blood studies, including arterial catheter insertion to measure blood pressure and collect arterial blood samples, blood flow studies using sensors applied to the skin and a pressure cuff around a limb, and blood draw for genetic studies. - Bladder motility: Ultrasound test of bladder function. - Electrocardiogram and heart ultrasound. - Responses to changes in temperature: Warm water and then room temperature water are passed through watertight pads applied to the back and front of the body and body temperatures are measured. - Gastrointestinal motility: Bowel sounds are recorded using a microphone placed on the abdomen. - Lower body negative pressure: The lower body is placed into an airtight barrel-like chamber. Some air is sucked out of the barrel, causing blood to pool in the legs, as occurs during standing. - Lumbar puncture: A needle is inserted in the space between the bones in the lower back to collect a small sample of cerebrospinal fluid. - Microdialysis to measures levels of chemicals in the body fluid of certain tissues. A solution is passed through a thin tube inserted into the skin. Chemicals in the body tissues enter the solution. The solution is collected and the chemical levels are measured. - PET scanning: A nuclear medicine test to produce images of body organs. For patients with urinary problems, a catheter is inserted into the bladder before starting the scan. - Pupillometry: The pupil of the eye is measured using a special camera in a light-controlled room. - QSART. A small amount of a brain chemical is applied to the skin with a tiny amount of electricity, and the sweat in a nearby patch of skin is measured. - Measurement of saliva production, using a cotton-like material placed between the teeth and gums to absorb saliva. - Skin electrical conduction test, using sensors on the skin to measure sweat production. - Skin and core temperature measurements using sensors on the skin and in the ear canal. - Speech and swallowing assessment for patients with speech and swallowing difficulties. - Stress echocardiogram: A catheter is placed in the subject's arm for sampling blood or giving a drug while the subject exercises. During the test, blood pressure, pulse rate, and EKG are continuously monitored.