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)
Atonic seizures17.12.03.0200.001834%Not Available
B precursor type acute leukaemia16.01.01.004; 01.10.01.0040.001223%Not Available
Bone cancer15.09.03.012; 16.29.02.0020.002446%Not Available
Borderline personality disorder19.05.03.0030.004280%Not Available
Brain neoplasm malignant17.20.04.002; 16.30.04.0020.002446%Not Available
Breast cancer stage III16.10.01.012; 21.05.01.0200.001834%Not Available
Bronchial carcinoma22.08.01.015; 16.19.02.004--Not Available
Central nervous system lymphoma01.12.01.005; 18.04.04.013; 17.02.10.028; 16.20.01.0050.001223%Not Available
Drowning12.01.18.003; 08.04.01.0140.007337%Not Available
Fear of disease19.06.03.0070.001834%Not Available
Grandiosity19.05.01.0190.001223%Not Available
Grief reaction19.23.01.003--Not Available
Head banging19.11.03.0070.001834%Not Available
Large granular lymphocytosis16.01.11.001; 01.10.11.0010.001834%Not Available
Lung adenocarcinoma22.08.01.007; 16.19.01.002--Not Available
Lung carcinoma cell type unspecified recurrent22.08.01.018; 16.19.02.0050.001834%Not Available
Lung carcinoma cell type unspecified stage IV22.08.01.019; 16.19.02.0060.006114%Not Available
Macrosomia08.01.03.0730.001834%Not Available
Metastases to kidney16.22.02.017; 20.01.04.0100.001223%Not Available
Metastases to lymph nodes16.22.02.006; 01.09.01.015--Not Available
Monocytopenia01.02.02.0050.002446%Not Available
Myocardial fibrosis02.04.02.0160.001223%Not Available
Neglect of personal appearance19.01.02.0150.001834%Not Available
Nephritis allergic10.01.03.044; 20.05.01.0180.001223%Not Available
Normal newborn18.08.06.001--Not Available
Nucleated red cells01.07.02.012--Not Available
Obstruction gastric07.13.04.0020.001223%
Oropharyngeal cancer16.19.05.003; 07.21.07.004; 22.08.02.0040.001223%Not Available
Overweight14.03.02.0210.012229%Not Available
Panniculitis lobular23.07.02.0050.001223%Not Available
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ADReCS-Target
Drug Name ADR Term Target
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