Preferred Name

Clonidine Hydrochloride
Synonyms
Definitions

The hydrochloride salt form of clonidine, an imidazoline derivate and centrally-acting alpha-adrenergic agonist as well as antagonist with antihypertensive activity. Clonidine hydrochloride binds to and stimulates central alpha-2 adrenergic receptors, thereby decreasing sympathetic outflow to the heart, kidneys, and peripheral vasculature. The reduction in sympathetic outflow, leads to decreased peripheral vascular resistance, decreased blood pressure, and decreased heart rate.

ID

http://purl.obolibrary.org/obo/NCIT_C47979

ALT_DEFINITION

A drug used to treat high blood pressure. It is also being studied in the treatment of certain types of cancer pain. It blocks the release of chemicals from nerve endings that make blood vessels constrict (get narrower). Catapres is a type of antihypertensive agent and a type of alpha-adrenergic agonist.

CAS_Registry

4205-91-8

Chemical_Formula

C9H9Cl2N3.HCl

code

C47979

Contributing_Source

FDA

definition

The hydrochloride salt form of clonidine, an imidazoline derivate and centrally-acting alpha-adrenergic agonist as well as antagonist with antihypertensive activity. Clonidine hydrochloride binds to and stimulates central alpha-2 adrenergic receptors, thereby decreasing sympathetic outflow to the heart, kidneys, and peripheral vasculature. The reduction in sympathetic outflow, leads to decreased peripheral vascular resistance, decreased blood pressure, and decreased heart rate.

FDA_UNII_Code

W76I6XXF06

Has_Free_Acid_Or_Base_Form

http://purl.obolibrary.org/obo/NCIT_C380

in_subset

http://purl.obolibrary.org/obo/NCIT_C63923

http://purl.obolibrary.org/obo/NCIT_C176424

label

Clonidine Hydrochloride

Legacy Concept Name

Clonidine_Hydrochloride

NCI_Drug_Dictionary_ID

41228

PDQ_Closed_Trial_Search_ID

41228

PDQ_Open_Trial_Search_ID

41228

Preferred_Name

Clonidine Hydrochloride

prefixIRI

NCIT:C47979

prefLabel

Clonidine Hydrochloride

Semantic_Type

Pharmacologic Substance

UMLS_CUI

C0546860

subClassOf

http://purl.obolibrary.org/obo/NCIT_C29709

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