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| Sponsored by: |
National Institute of Neurological Disorders and Stroke (NINDS) |
| Information provided by: | National Institutes of Health Clinical Center (CC) |
| ClinicalTrials.gov Identifier: | NCT00001147 |
Purpose
This study involves sampling blood from both normal volunteers and patients with diseases known or suspected to involve body chemicals called catecholamines. The blood will be used to establish normal values for plasma levels of catecholamines and related neurochemicals; to test for abnormal neurochemical patterns in patients; and to establish a "bank" of DNA from normal volunteers and from patients to be used in future studies about possible alterations of catecholamine-related genes.
Study participants will report to NIH after fasting overnight except for water or noncaloric, noncaffeinated beverages. They must not have taken Tylenol for at least 5 days. Blood will then be drawn. DNA will be extracted and stored in the freezer for future studies.
| Condition |
|
Autonomic Nervous System Disease Healthy Hypertension Pheochromocytoma |
| MedlinePlus related topics: | Autonomic Nervous System Disorders High Blood Pressure Neurologic Diseases Pheochromocytoma |
| ChemIDplus related topics: | Dopamine Dopamine hydrochloride Tyrosine Norepinephrine Norepinephrine bitartrate Epinephrine Epinephrine bitartrate |
| Study Type: | Observational |
| Official Title: | Blood Sampling for Neurochemical and Genetic Testing |
| Estimated Enrollment: | 500 |
| Study Start Date: | October 1999 |
| Estimated Study Completion Date: | March 2004 |
This project is to allow blood sampling from normal volunteers and patients with dysautonomia, pheochromocytoma, hypertension, or neurogenetic diseases involving catecholaminergic systems. The blood is used to establish normal values for plasma levels of catechols and related neurochemicals; test for abnormal neurochemical patterns in patients; and establish a "bank" of DNA samples from normal volunteers and from patients, to be used in future studies about mutations or polymorphisms of catecholamine-related genes.
Eligibility
| Genders Eligible for Study: | Both |
| Accepts Healthy Volunteers: | Yes |
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.
Contacts and Locations More Information
| Study ID Numbers: | 000008, 00-N-0008 |
| First Received: | November 3, 1999 |
| Last Updated: | March 3, 2008 |
| ClinicalTrials.gov Identifier: | NCT00001147 |
| Health Authority: | United States: Federal Government |
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