Adverse Drug Reaction Classification System

Pharmaceutical Information
Drug Name Clozapine
Drug ID BADD_D00511
Description A tricyclic dibenzodiazepine, classified as an atypical antipsychotic agent. It binds several types of central nervous system receptors, and displays a unique pharmacological profile. Clozapine is a serotonin antagonist, with strong binding to 5-HT 2A/2C receptor subtype. It also displays strong affinity to several dopaminergic receptors, but shows only weak antagonism at the dopamine D2 receptor, a receptor commonly thought to modulate neuroleptic activity. Agranulocytosis is a major adverse effect associated with administration of this agent.
Indications and Usage For use in patients with treatment-resistant schizophrenia.
Marketing Status approved
ATC Code N05AH02
DrugBank ID DB00363
KEGG ID D00283
MeSH ID D003024
PubChem ID 135398737
TTD Drug ID D0Z1RV
NDC Product Code 73377-150; 51079-288; 51079-749; 51407-085; 63629-2359; 0378-3813; 65862-846; 63552-062; 64374-004; 76072-1010; 16729-142; 57664-345; 0378-0973; 53296-0033; 0093-5416; 51079-921; 51079-922; 57664-211; 65862-845; 69809-0127; 55154-3568; 0378-0825; 0378-0860; 12828-0072; 51407-086; 63629-2360; 69809-0126; 67835-0028; 51862-900; 57664-241; 69809-0135; 70518-3391; 0093-5376; 0093-5417; 51862-902; 60687-404; 60687-415; 63629-2362; 0378-3815; 0904-7088; 65015-706; 0093-5419; 51862-901; 60687-426; 0378-0972; 65862-844; 70518-3357; 65862-847; 0904-7089; 63552-063; 16729-141; 0093-5377; 52817-601; 57664-347; 60687-548; 63629-2361; 69809-0130; 0904-7087; 71554-025; 51862-903
UNII J60AR2IKIC
Synonyms Clozapine | Clozaril | Leponex
Chemical Information
Molecular Formula C18H19ClN4
CAS Registry Number 5786-21-0
SMILES CN1CCN(CC1)C2=NC3=C(C=CC(=C3)Cl)NC4=CC=CC=C42
Chemical Structure
ADRs Induced by Drug
*The priority for ADR severity classification is based on FAERS assessment, followed by the most severe level in CTCAE rating. If neither is available, it will be displayed as 'Not available'.
**The 'Not Available' level is hidden by default and can be restored by clicking on the legend twice..
ADR Term ADReCS ID ADR Frequency (FAERS) ADR Severity Grade (FAERS) ADR Severity Grade (CTCAE)
Folate deficiency14.12.02.0060.001223%Not Available
Food poisoning11.07.02.001; 12.03.01.024; 07.11.01.0070.005136%Not Available
Gallbladder disorder09.03.02.001--Not Available
Gastric cancer16.13.03.001; 07.21.02.001--Not Available
Gastric dilatation07.02.02.0020.003057%Not Available
Gastric ulcer07.04.03.002--
Gastroenteritis11.01.07.004; 07.19.03.001--Not Available
Gastrointestinal carcinoma16.13.04.001; 07.21.03.0010.021400%Not Available
Gastrointestinal disorder07.11.01.001--Not Available
Gastrointestinal necrosis24.04.08.006; 07.15.01.0030.002446%
Generalised anxiety disorder19.06.01.0040.002446%Not Available
Generalised tonic-clonic seizure17.12.01.0020.033629%Not Available
Gestational diabetes18.02.04.001; 14.06.01.008; 05.06.01.0080.004891%Not Available
Glioblastoma17.20.02.002; 16.30.02.0020.001834%Not Available
Glioblastoma multiforme17.20.02.001; 16.30.02.0010.001834%Not Available
Glucose tolerance impaired14.06.02.001; 05.06.02.0010.007949%
Granulocytopenia01.02.03.0030.481320%Not Available
Granulocytosis01.02.01.0080.011862%Not Available
Guillain-Barre syndrome17.09.01.001; 11.07.01.001; 10.04.10.0050.003057%
Haematemesis24.07.02.011; 07.12.02.002--Not Available
Haematocrit increased13.01.05.002--Not Available
Haemochromatosis14.13.03.001; 12.02.08.002; 09.01.10.0050.001834%Not Available
Haemoglobin increased13.01.05.004--
Hallucination19.10.04.0030.104310%
Hallucination, auditory19.10.04.0040.101742%Not Available
Hallucinations, mixed19.10.04.0080.011250%Not Available
Headache17.14.01.001--
Heart disease congenital02.11.01.014; 03.07.07.001--Not Available
Hepatic cirrhosis09.01.04.001--Not Available
Hepatic failure09.01.03.002--
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ADReCS-Target
Drug Name ADR Term Target
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