Chemistry:Cidoxepin

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Short description: Pharmaceutical drug
Cidoxepin
Cidoxepin.svg
Clinical data
Other names(Z)-Doxepin; cis-Doxepin; P-4599
Identifiers
CAS Number
PubChem CID
ChemSpider
UNII
ChEBI
Chemical and physical data
FormulaC19H21NO
Molar mass279.383 g·mol−1
3D model (JSmol)

Cidoxepin (former developmental code name P-4599), also known as cis-doxepin or (Z)-doxepin, is a tricyclic antidepressant which was developed in the 1960s but was never marketed.[1][2] It is the cis or (Z) stereoisomer of doxepin, a mixture of (E) and (Z) isomers that is used commercially in a ratio of approximately 85:15 with cidoxepin as a relatively minor constituent.[1][3] However, the drug has similar activity to that of doxepin, acting as a serotonin–norepinephrine reuptake inhibitor, H1 receptor antagonist, and anticholinergic, and notably is thought to have more antidepressant activity than trans-doxepin.[3][4][5] The central anticholinergic activity of cidoxepin has been reported to be 3-fold greater than that of the trans isomer in mice.[5]

Cidoxepin has recently been reinvestigated and is now currently under development as an antihistamine by Elorac, Inc. for the treatment of chronic urticaria (hives).[4] As of 2017, it is in phase II clinical trials for this indication.[4] The drug was also under investigation for the treatment of allergic rhinitis (hay fever), atopic dermatitis (atopic eczema), and contact dermatitis, but development for these indications was discontinued.[4]

See also

References

  1. ↑ 1.0 1.1 J. Elks (14 November 2014). The Dictionary of Drugs: Chemical Data: Chemical Data, Structures and Bibliographies. Springer. pp. 469–. ISBN 978-1-4757-2085-3. https://books.google.com/books?id=0vXTBwAAQBAJ&pg=PA469. 
  2. ↑ "Doxepin versus diazepam: a controlled evaluation in 100 chronic alcoholic patients". J Clin Pharmacol J New Drugs 9 (1): 57–65. 1969. doi:10.1177/009127006900900109. PMID 4885966. 
  3. ↑ 3.0 3.1 Shufeng Zhou (6 April 2016). Cytochrome P450 2D6: Structure, Function, Regulation and Polymorphism. CRC Press. pp. 142–. ISBN 978-1-4665-9788-4. https://books.google.com/books?id=UJqmCwAAQBAJ&pg=PA142. 
  4. ↑ 4.0 4.1 4.2 4.3 "Cidoxepin - AdisInsight". http://adisinsight.springer.com/drugs/800032883. 
  5. ↑ 5.0 5.1 "Elimination of doxepin isomers from the horse following intravenous application". J. Vet. Pharmacol. Ther. 24 (4): 283–9. 2001. doi:10.1046/j.1365-2885.2001.00345.x. PMID 11555184. 

External links





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