Preferred Name

Methadone Hydrochloride

Synonyms
Definitions

The hydrochloride salt of methadone, a synthetic opioid with analgesic activity. Similar to morphine and other morphine-like agents, methadone mimics the actions of endogenous peptides at CNS opioid receptors, primarily the mu-receptor, resulting in characteristic morphine-like effects including analgesia, euphoria, sedation, respiratory depression, miosis, bradycardia and physical dependence. Because of the prolonged half-life of methadone compared to other morphine-like agents such as heroin, the onset of opiate withdrawal symptoms is slower, the duration of opiate withdrawal is prolonged, and opiate withdrawal symptoms are less severe.

ID

http://purl.obolibrary.org/obo/NCIT_C638

ALT_DEFINITION

A drug used to treat moderate to severe pain that does not respond to other types of pain medicine. It is also used to help people who are addicted to opioid drugs such as heroin. Methadone hydrochloride binds to opioid receptors in the central nervous system. It is a type of analgesic agent and a type of opioid.

CAS_Registry

1095-90-5

CHEBI_ID

CHEBI:50140

Chemical_Formula

C21H27NO.HCl

code

C638

Contributing_Source

CTRP

FDA

definition

The hydrochloride salt of methadone, a synthetic opioid with analgesic activity. Similar to morphine and other morphine-like agents, methadone mimics the actions of endogenous peptides at CNS opioid receptors, primarily the mu-receptor, resulting in characteristic morphine-like effects including analgesia, euphoria, sedation, respiratory depression, miosis, bradycardia and physical dependence. Because of the prolonged half-life of methadone compared to other morphine-like agents such as heroin, the onset of opiate withdrawal symptoms is slower, the duration of opiate withdrawal is prolonged, and opiate withdrawal symptoms are less severe.

Display_Name

Methadone Hydrochloride

FDA_UNII_Code

229809935B

Has_Free_Acid_Or_Base_Form

http://purl.obolibrary.org/obo/NCIT_C62044

Has_Target

http://purl.obolibrary.org/obo/NCIT_C118985

in_subset

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

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

http://purl.obolibrary.org/obo/NCIT_C116977

http://purl.obolibrary.org/obo/NCIT_C116978

label

Methadone Hydrochloride

Legacy Concept Name

Methadone

NCI_Drug_Dictionary_ID

39498

NSC Number

19600

PDQ_Closed_Trial_Search_ID

39498

PDQ_Open_Trial_Search_ID

39498

Preferred_Name

Methadone Hydrochloride

prefixIRI

NCIT:C638

prefLabel

Methadone Hydrochloride

Semantic_Type

Organic Chemical

Pharmacologic Substance

UMLS_CUI

C0721688

subClassOf

http://purl.obolibrary.org/obo/NCIT_C1506

http://purl.obolibrary.org/obo/NCIT_C67413

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