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9,11-Dehydrocortexolone 17α-butyrate

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Chemical compound Pharmaceutical compound
9,11-Dehydrocortexolone 17α-butyrate
Clinical data
Other namesCB-03-04; 17α-(Butyryloxy)-9,11-didehydrodeoxycorticosterone; 17α-Butanoyloxy-21-hydroxypregna-4,9(11)-diene-3,20-dione
Identifiers
IUPAC name
  • phenanthren-17-yl] butanoate
CAS Number
PubChem CID
ChemSpider
UNII
ChEMBL
CompTox Dashboard (EPA)
Chemical and physical data
FormulaC25H34O5
Molar mass414.542 g·mol
3D model (JSmol)
SMILES
  • CCCC(=O)O1(CC21(CC=C32CCC4=CC(=O)CC43C)C)C(=O)CO
InChI
  • InChI=1S/C25H34O5/c1-4-5-22(29)30-25(21(28)15-26)13-10-20-18-7-6-16-14-17(27)8-11-23(16,2)19(18)9-12-24(20,25)3/h9,14,18,20,26H,4-8,10-13,15H2,1-3H3/t18-,20+,23+,24+,25+/m1/s1
  • Key:IMSKTQNPYUKZMB-AMMWCUJOSA-N

9,11-Dehydrocortexolone 17α-butyrate (developmental code name CB-03-04) is a synthetic steroidal antiandrogen that was developed for use as a topical medication but was never marketed. It is the C17α butyrate (butanoate) ester of the 9,11-dehydrogenated analogue of 11-deoxycortisol (cortexolone). C17α esters of 11-deoxycortisol were unexpectedly found to possess antiandrogen activity, and 9,11-dehydrocortexolone 17α-butyrate was selected for development based on its optimum drug profile. In rats, the drug has been found to possess strong local antiandrogen activity and to also be active systemically upon subcutaneous injection. In addition, it has been found to possess antigonadotropic activity. In terms of topical antiandrogen potency, 9,11-dehydrocortexolone 17α-butyrate was found to be more potent than flutamide and finasteride and less than or equal to cyproterone acetate in potency. The drug has been suggested for possible development and medical use for the treatment of prostate cancer and benign prostatic hyperplasia.

See also

References

  1. ^ Celasco G, Moroa L, Bozzella R, Ferraboschi P, Bartorelli L, Di Marco R, Quattrocchi C, Nicoletti F (2005). "Pharmacological profile of 9,11-dehydrocortexolone 17alpha-butyrate (CB-03-04), a new androgen antagonist with antigonadotropic activity". Arzneimittelforschung. 55 (10): 581–7. doi:10.1055/s-0031-1296908. PMID 16294504. S2CID 35386850.


Androgen receptor modulators
ARTooltip Androgen receptor
Agonists
SARMsTooltip Selective androgen receptor modulator
Antagonists
GPRC6A
Agonists
See also
Receptor/signaling modulators
Androgens and antiandrogens
Estrogen receptor modulators
Progesterone receptor modulators
List of androgens and anabolic steroids


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