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)
Lower respiratory tract infection11.01.09.002; 22.07.01.002--Not Available
Lung consolidation22.01.02.0100.001834%Not Available
Lung infiltration22.01.02.004--Not Available
Lymphocytic leukaemia16.01.09.001; 01.10.09.0010.001223%Not Available
Lymphocytosis01.02.01.0030.007949%Not Available
Lymphoma16.20.01.001; 01.12.01.0010.050138%Not Available
Macrocytosis01.07.02.0030.001223%Not Available
Malaise08.01.01.0030.643105%
Malignant melanoma23.08.01.001; 16.03.01.001--Not Available
Mania19.16.02.0020.038398%
Megacolon07.02.05.0020.015897%Not Available
Menopausal symptoms21.02.02.002--Not Available
Mental impairment19.21.02.003; 17.03.03.0020.380311%Not Available
Mesothelioma16.39.01.0010.001223%Not Available
Metabolic alkalosis14.01.02.0040.002446%Not Available
Metastases to liver16.22.02.001; 09.04.02.004--Not Available
Metastases to lung22.08.01.005; 16.22.02.002--Not Available
Metastases to spine16.22.02.007; 15.09.03.0070.003669%Not Available
Metastatic malignant melanoma23.08.01.002; 16.03.01.002--Not Available
Microcytic anaemia01.03.02.0080.005136%Not Available
Microcytosis01.07.02.0050.006359%Not Available
Micturition disorder20.02.02.005--Not Available
Micturition urgency20.02.02.006--
Mitral valve incompetence02.07.01.0020.012229%Not Available
Monocytosis01.02.01.0040.005503%Not Available
Motor neurone disease17.05.05.0020.001223%Not Available
Muscle rigidity17.05.02.005; 15.05.04.0010.025313%Not Available
Muscle spasms15.05.03.004--
Muscle twitching15.05.03.005--Not Available
Muscular weakness15.05.06.001; 17.05.03.005--
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ADReCS-Target
Drug Name ADR Term Target
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