Chlorpromazine

Chlorpromazine, also known by its trade name Thorazine, is an antipsychotic drug. It is typically used to treat Schizophrenia. It has also been used to treat bipolar disorder. It has been shown to help uncontrollable hiccups disappear. It is also used to help with nausea and vomiting.[2] Chlorpromazine was developed in 1950, making it the oldest antipsychotic drug.[3]

Skeletal formula of chlorpromazine
Ball-and-stick model of the chlorpromazine molecule
Chlorpromazine
Systematic (IUPAC) name
3-(2-chloro-10H-phenothiazin-10-yl)-N,N-dimethyl-propan-1-amine
Identifiers
CAS number 50-53-3 (free base)
69-09-0 (hydrochloride)
ATC code N05AA01
PubChem 2726
DrugBank DB00477
ChemSpider 2625
Chemical data
Formula C17H19Template:OrganicBoxTemplate:OrganicBoxTemplate:OrganicBoxTemplate:OrganicBoxTemplate:OrganicBoxTemplate:OrganicBoxClTemplate:OrganicBoxTemplate:OrganicBoxTemplate:OrganicBoxTemplate:OrganicBoxTemplate:OrganicBoxTemplate:OrganicBoxN2Template:OrganicBoxTemplate:OrganicBoxTemplate:OrganicBoxTemplate:OrganicBoxSTemplate:OrganicBoxTemplate:OrganicBoxTemplate:OrganicBoxTemplate:OrganicBoxTemplate:OrganicBox 
Mol. mass 318.86 g/mol (free base)
355.33 g/mol (hydrochloride)
SMILES eMolecules & PubChem
Pharmacokinetic data
Bioavailability 10–80% (Oral; large interindividual variation)[1]
Protein binding 90–99%[1]
Metabolism Liver, mostly CYP2D6-mediated[1]
Half life 30 hours
Excretion Urine (43–65% in 24 hrs)[1]
Therapeutic considerations
Licence data

US FDA:link

Pregnancy cat.

C(AU) C(US)

Legal status

Prescription only

Routes Oral (tablets and syrup available), rectal, IM, IV infusion
An advert for Thorazine (which contains Chlorpromazine) from the 1960s.

Chlorpromazine Media

References

  1. 1.0 1.1 1.2 1.3 "PRODUCT INFORMATION LARGACTIL" (PDF). TGA eBusiness Services. Sanofi Aventis Pty Ltd. 28 August 2012. Archived from the original on 30 March 2017. Retrieved 8 December 2013.
  2. "ChlorproMAZINE Monograph for Professionals". Drugs.com. Retrieved 2022-09-22.
  3. López-Muñoz, Francisco; Alamo, Cecilio; cuenca, Eduardo; Shen, Winston; Clervoy, Patrick; Rubio, Gabriel (2005-07-01). "History of the Discovery and Clinical Introduction of Chlorpromazine". Annals of Clinical Psychiatry. 17 (3): 113–135. doi:10.1080/10401230591002002. ISSN 1040-1237. PMID 16433053.