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)
Motor dysfunction17.01.02.031; 15.05.06.0060.008193%Not Available
Partial seizures17.12.03.010--Not Available
Spinal cord disorder17.10.01.0100.001223%Not Available
White blood cell disorder01.02.05.0020.004891%Not Available
Abnormal behaviour19.01.01.0010.110180%Not Available
Anal cancer07.21.05.001; 16.13.05.0010.001834%Not Available
Decreased appetite14.03.01.005; 08.01.09.028--
Erectile dysfunction21.03.01.007; 19.08.04.001--
Psychiatric symptom19.01.02.0010.027759%Not Available
Renal neoplasm20.01.04.004; 16.08.03.0010.002446%Not Available
Ill-defined disorder08.01.03.049--Not Available
Lip and/or oral cavity cancer16.13.07.001; 07.21.07.0010.001223%Not Available
Parkinson's disease17.01.05.0100.095628%Not Available
Pituitary tumour benign16.37.02.001; 05.03.05.0030.001223%Not Available
Red blood cell abnormality01.07.02.0060.001223%Not Available
Blood disorder01.05.01.0040.028126%Not Available
Immunodeficiency10.03.02.0020.009783%Not Available
Adjustment disorder19.23.01.0010.001223%Not Available
Adverse drug reaction08.06.01.009--Not Available
Bone marrow disorder01.05.01.006--Not Available
Disease recurrence08.01.03.050--Not Available
Non-small cell lung cancer16.19.01.001; 22.08.01.002--Not Available
Obstruction08.01.03.0230.003057%Not Available
Psychotic disorder19.03.01.0020.458330%
Pulmonary function test decreased13.19.01.001--Not Available
Gastrointestinal obstruction07.13.01.0050.004280%Not Available
Hepatobiliary disease09.01.08.003--Not Available
Lung neoplasm22.08.01.006; 16.19.04.0010.009783%Not Available
Hyperlipidaemia14.08.03.0010.012840%
Large intestinal obstruction07.13.03.0030.005503%
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ADReCS-Target
Drug Name ADR Term Target
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