National Cancer Institute Thesaurus

Last uploaded: February 23, 2024
Preferred Name

Phenytoin Sodium
Synonyms

Phenytoin Sodium

PHENYTOIN SODIUM

phenytoin sodium

5,5-Diphenyl-2,4-imidazolidinedione, Monosodium Salt

Dilantin

Definitions

The sodium salt form of phenytoin, a hydantoin derivate and non-sedative antiepileptic agent with anticonvulsant activity. Phenytoin sodium promotes sodium efflux from neurons located in the motor cortex, thereby stabilizing the neuron and inhibiting synaptic transmission. This leads to a reduction in posttetanic potentiation at synapses, an inhibition of repetitive firing of action potentials and ultimately inhibits the spread of seizure activity.

ID

http://ncicb.nci.nih.gov/xml/owl/EVS/Thesaurus.owl#C48011

ALT_DEFINITION

A drug used to treat or prevent seizures or convulsions that may be caused by epilepsy, brain surgery, or treatment for brain cancer. It is a type of anticonvulsant agent.

CAS_Registry

630-93-3

Chemical_Formula

C15H11N2O2.Na

code

C48011

Concept_In_Subset

http://ncicb.nci.nih.gov/xml/owl/EVS/Thesaurus.owl#C157711

http://ncicb.nci.nih.gov/xml/owl/EVS/Thesaurus.owl#C157712

http://ncicb.nci.nih.gov/xml/owl/EVS/Thesaurus.owl#C63923

http://ncicb.nci.nih.gov/xml/owl/EVS/Thesaurus.owl#C177537

Contributing_Source

FDA

GDC

DEFINITION

The sodium salt form of phenytoin, a hydantoin derivate and non-sedative antiepileptic agent with anticonvulsant activity. Phenytoin sodium promotes sodium efflux from neurons located in the motor cortex, thereby stabilizing the neuron and inhibiting synaptic transmission. This leads to a reduction in posttetanic potentiation at synapses, an inhibition of repetitive firing of action potentials and ultimately inhibits the spread of seizure activity.

FDA_UNII_Code

4182431BJH

FULL_SYN

Phenytoin Sodium

PHENYTOIN SODIUM

phenytoin sodium

5,5-Diphenyl-2,4-imidazolidinedione, Monosodium Salt

Dilantin

Has_Free_Acid_Or_Base_Form

http://ncicb.nci.nih.gov/xml/owl/EVS/Thesaurus.owl#C741

Is_Value_For_GDC_Property

http://ncicb.nci.nih.gov/xml/owl/EVS/Thesaurus.owl#C1909

label

Phenytoin Sodium

Legacy Concept Name

Phenytoin_Sodium

Maps_To

Phenytoin Sodium

NSC Number

8722

Preferred_Name

Phenytoin Sodium

prefixIRI

Thesaurus:C48011

Semantic_Type

Pharmacologic Substance

UMLS_CUI

C0237417

subClassOf

http://ncicb.nci.nih.gov/xml/owl/EVS/Thesaurus.owl#C264

http://ncicb.nci.nih.gov/xml/owl/EVS/Thesaurus.owl#C93038

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Delete Mapping To Ontology Source
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