Drug

D0031 | Clozapine

Molecular Formula C18H19ClN4
Molecular Weight 326.8
Structure
State solid
Route of elimination Approximately 50% of the administered dose is excreted in the urine and 30% in the feces.
Protein binding 97% (bound to serum proteins)
Half life 8 hours (range 4-12 hours)
Absorption Rapid and almost complete
Description tricyclic dibenzodiazepine; atypical antipsychotic agent; serotonin antagonist

N

N05AH02 Clozapine


[N05AH] Diazepines, oxazepines, thiazepines and oxepines


[N05A] ANTIPSYCHOTICS


[N05] PSYCHOLEPTICS


[N] Nervous system


Toxicity Dose Time Species Model Method Action Positive criterion Reference
DEPOLARIZATION Increase 307
OXYGEN CONSUMPTION RATE (OCR) 300 μM 2 minutes human HepG2 Measurement of OCR Negative EC50 7
ELECTRON TRANSPORT CHAIN rat isolated liver mitochondria Negative 23
ELECTRON TRANSPORT CHAIN inhibit 197
ELECTRON TRANSPORT CHAIN decrease 307
ECAR 300 μM 2 minutes human HepG2 Measurement of ECAR Negative EC50 7
SWELLING Increase 307
SHAPE 197

Target Dose Time Species Model Method Action Positive criterion Reference
NADH:ubiquinone reductase rat isolated liver mitochondria Negative 23
Pyruvate kinase PKLR Oxidation 307
Malate dehydrogenase, mitochondrial Oxidation 307

Pictogram Signal Statements Precautionary Statement Codes
Danger

Aggregated GHS information provided by 118 companies from 14 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.


H301 (100%): Toxic if swallowed [Danger Acute toxicity, oral]


H341 (84.75%): Suspected of causing genetic defects [Warning Germ cell mutagenicity]


H361 (88.14%): Suspected of damaging fertility or the unborn child [Warning Reproductive toxicity]


Information may vary between notifications depending on impurities, additives, and other factors. The percentage value in parenthesis indicates the notified classification ratio from companies that provide hazard codes. Only hazard codes with percentage values above 10% are shown.


P201, P202, P264, P270, P281, P301+P310, P308+P313, P321, P330, P405, and P501; (The corresponding statement to each P-code can be found at the GHS Classification page.)
Danger

H301: Toxic if swallowed [Danger Acute toxicity, oral]


H341: Suspected of causing genetic defects [Warning Germ cell mutagenicity]


H351: Suspected of causing cancer [Warning Carcinogenicity]


H361: Suspected of damaging fertility or the unborn child [Warning Reproductive toxicity]


P201, P202, P264, P270, P281, P301+P310, P308+P313, P321, P330, P405, and P501; (The corresponding statement to each P-code can be found at the GHS Classification page.)

Organism Test type Route Dose (normalized dose) Effect Source
rat LD50 oral 251mg/kg (251mg/kg) Kiso to Rinsho. Clinical Report. Vol. 7, Pg. 667, 1973.
mouse LD50 subcutaneous 194mg/kg (194mg/kg) Kiso to Rinsho. Clinical Report. Vol. 7, Pg. 667, 1973.
women TDLo oral 168mg/kg/4W-I (168mg/kg) blood: agranulocytosis Netherlands Journal of Medicine. Vol. 52, Pg. 26, 1998.
rat LD50 intramuscular 210mg/kg (210mg/kg) Farmaco, Edizione Pratica. Vol. 26, Pg. 585, 1971.
guinea pig LD50 oral 510mg/kg (510mg/kg) Farmaco, Edizione Pratica. Vol. 26, Pg. 585, 1971.
women TDLo oral 280mg/kg/5W-I (280mg/kg) American Journal of Psychiatry. Vol. 150, Pg. 985, 1993.
man TDLo oral 5357ug/kg/5D- (5.357mg/kg) Journal of Clinical Pyschopharmacology. Vol. 12, Pg. 139, 1992.
man TDLo oral 3280mg/kg/82W (3280mg/kg) blood: agranulocytosis American Journal of Psychiatry. Vol. 153, Pg. 1503, 1996.
man TDLo oral 86mg/kg/15D-I (86mg/kg) British Journal of Psychiatry. Vol. 173, Pg. 440, 1998.
rat LD50 subcutaneous 240mg/kg (240mg/kg) Kiso to Rinsho. Clinical Report. Vol. 7, Pg. 667, 1973.
man TDLo oral 4286ug/kg/11D (4.286mg/kg) Journal of Clinical Pyschopharmacology. Vol. 13, Pg. 155, 1993.
women TDLo oral 20mg/kg (20mg/kg) Annals of Internal Medicine. Vol. 121, Pg. 722, 1994.
man TDLo oral 40mg/kg (40mg/kg) Veterinary and Human Toxicology. Vol. 41, Pg. 20, 1999.
mouse LD50 oral 150mg/kg (150mg/kg) Journal of Medicinal Chemistry. Vol. 23, Pg. 878, 1980.
mouse LD50 intraperitoneal 90mg/kg (90mg/kg) Farmaco, Edizione Pratica. Vol. 26, Pg. 585, 1971.
women TDLo oral 28mg/kg/2W-I (28mg/kg) gastrointestinal: changes in structure or function of endocrine pancreas Lancet. Vol. 340, Pg. 251, 1992.
child TDLo oral 4762ug/kg (4.762mg/kg) American Journal of Emergency Medicine. Vol. 14, Pg. 462, 1996.
man TDLo oral 270mg/kg/6W-I (270mg/kg) Annales de Medecine Interne. Vol. 144, Pg. 494, 1993.
man TDLo oral 27mg/kg/13D-I (27mg/kg) Journal of Clinical Psychiatry. Vol. 55, Pg. 38, 1994.
man TDLo oral 2211mg/kg/37W (2211mg/kg) blood: "changes in serum composition (e.g., tp, bilirubin, cholesterol)" Journal of Clinical Pyschopharmacology. Vol. 15, Pg. 287, 1995.
rat LD50 intravenous 41600ug/kg (41.6mg/kg) Kiso to Rinsho. Clinical Report. Vol. 7, Pg. 667, 1973.
man TDLo oral 429mg/kg (429mg/kg) Journal of Toxicology, Clinical Toxicology. Vol. 38, Pg. 325, 2000.
man TDLo oral 429mg/kg/60D- (429mg/kg) behavioral: muscle contraction or spasticity) American Journal of Psychiatry. Vol. 152, Pg. 649, 1995.
mouse LD50 intravenous 36500ug/kg (36.5mg/kg) Kiso to Rinsho. Clinical Report. Vol. 7, Pg. 667, 1973.
human TDLo oral 5mg/kg/7D-I (5mg/kg) cardiac: pulse rate increase without fall in bp Arzneimittel-Forschung. Drug Research. Vol. 22, Pg. 919, 1972.
women TDLo oral 96mg/kg/48D-I (96mg/kg) Human Psychopharmacology. Vol. 13, Pg. 583, 1998.
women TDLo oral 104mg/kg/26D- (104mg/kg) blood: eosinophilia Journal of Clinical Psychiatry. Vol. 59, Pg. 195, 1998.
dog LD50 oral 145mg/kg (145mg/kg) gastrointestinal: nausea or vomiting Farmaco, Edizione Pratica. Vol. 26, Pg. 585, 1971.

  • Agranulocytosis

  • Cardiac arrest

  • Cardiovascular disorder

  • Completed suicide

  • Diarrhoea

  • Epilepsy

  • Headache

  • Hyperglycaemia

  • Leukopenia

  • Myocarditis

  • Myoclonus

  • Nausea

  • Neutropenia

  • Psychotic disorder

  • Schizoaffective disorder

  • Schizophrenia

  • Suicidal behaviour

  • Tardive dyskinesia

  • Vomiting

  • Abdominal discomfort (0.04)

  • White blood cell count decreased (0.03)

  • Agitation

  • Asthenia

  • Body temperature increased

  • Constipation

  • Dizziness

  • Dry mouth

  • Dyspepsia

  • Headache

  • Hypertension

  • Hypotension

  • Insomnia

  • Nausea

  • Pain

  • Salivary hypersecretion

  • Somnolence

  • Tachycardia

  • Vertigo

  • Vomiting

  • Weight increased

  • Clozapine

    DrugBank Name Clozapine
    DrugBank DB00363
    CAS Number 5786-21-0
    PubChem Compound 135398737
    KEGG Compound ID C06924
    KEGG Drug D00283
    PubChem.Substance 46506474
    ChEBI 3766
    PharmGKB PA449061
    ChemSpider 10442628
    BindingDB 50001884.0
    TTD DAP000029
    Wikipedia Clozapine
    DPD 1196

    1. Chan et al. (2005)
    2. Vuda et al. (2016)