Blood Sampling for Neurochemical and Genetic Testing
Autonomic Nervous System Disease, Healthy, Hypertension
About this trial
This is an observational trial for Autonomic Nervous System Disease focused on measuring Dopamine, Metanephrine, Norepinephrine, Epinephrine, Catecholamines, Tyrosine Hydroxylase, Monoamine Oxidase, Phenosulfotransferase, Sympathetic Nervous System, Normetanephrine
Eligibility Criteria
INCLUSION CRITERIA: The subjects are healthy normal volunteers or patients with dysautonomia, pheochromocytoma, hypertension, or neurogenetic diseases involving catecholaminergic systems. Children of any age above 4 years may participate. In the case of minors, consent is obtained from an adult who is legally responsible for the subject. EXCLUSION CRITERIA: Subjects in whom anatomic or technical factors preclude insertion of an arm intravenous (i.v.) catheter are excluded. Normal volunteers taking any prescribed medication are excluded. Normal volunteers who smoke cigarettes or consume alcohol daily are excluded.
Sites / Locations
- National Institute of Neurological Disorders and Stroke (NINDS)