Plomestane

Plomestane
Clinical data
Other names	MDL-18962; Propargylestrenedione; PED; 10-(2-Propyn-1-yl)estr-4-ene-3,17-dione; 10-Propargylestr-4-ene-3,17-dione
ATC code	None;
Identifiers
	IUPAC name 10H-(2-Propynyl)-estr-4-ene-3,17-dione;
CAS Number	77016-85-4;
PubChem CID	9904788;
ChemSpider	8080442;
UNII	FL3VS913TW;
CompTox Dashboard (EPA)	DTXSID601318490 ;
Chemical and physical data
Formula	C21H26O2
Molar mass	310.437 g·mol−1
3D model (JSmol)	Interactive image;
	SMILES O=C4\C=C3/[C@@](CC#C)([C@H]2CC[C@@]1(C(=O)CC[C@H]1[C@@H]2CC3)C)CC4;
	InChI InChI=1S/C21H26O2/c1-3-10-21-12-8-15(22)13-14(21)4-5-16-17-6-7-19(23)20(17,2)11-9-18(16)21/h1,13,16-18H,4-12H2,2H3/t16-,17-,18-,20-,21-/m0/s1; Key:JKPDEYAOCSQBSZ-OEUJLIAZSA-N;

Plomestane (INNTooltip International Nonproprietary Name, USANTooltip United States Adopted Name; former developmental code name MDL-18962; also known as propargylestrenedione, PED) is a steroidal, irreversible aromatase inhibitor which was under development by Marion Merrell Dow/Hoechst Marion Russell (now Hoechst AG) as an antineoplastic agent for the treatment of breast cancer.^[1]^[2]^[3]^[4]^[5] It was found to be effective in preclinical studies and was also found to produce few adverse effects in human clinical trials, significantly reducing estrogen levels with a single administration.^[5] However, development of the drug for clinical use was halted due to "technical issues" and it was never marketed.^[6]

In addition to its activity as an aromatase inhibitor, plomestane has weak androgenic properties.^[5]

References

^ Macdonald F (1997). Dictionary of Pharmacological Agents. CRC Press. p. 1635. ISBN 978-0-412-46630-4. Retrieved 19 May 2012.
^ Morton IK, Hall JM (1999). Concise Dictionary of Pharmacological Agents: Properties and Synonyms. Springer. p. 227. ISBN 978-0-7514-0499-9. Retrieved 20 May 2012.
^ Lombardi P (June 1995). "The irreversible inhibition of aromatase (oestrogen synthetase) by steroidal compounds". Current Pharmaceutical Design. 1. Bentham Science Publishers: 23–50 (45). doi:10.2174/1381612801666220524190226. S2CID 249298105. Retrieved 20 May 2012.
^ Kreider RB, Leutholtz BC, Katch FI, Katch VL (2009). Exercise and Sport Nutrition. Exercise & Sport Nutrition. p. 350. ISBN 978-0-9742965-6-2. Retrieved 20 May 2012.
^ ^a ^b ^c Kelloff GJ, Lubet RA, Lieberman R, et al. (January 1998). "Aromatase inhibitors as potential cancer chemopreventives". Cancer Epidemiology, Biomarkers & Prevention. 7 (1): 65–78. PMID 9456245.
^ Avendaño C, Menéndez JC (4 June 2008). Medicinal Chemistry of Anticancer Drugs. Elsevier. p. 69. ISBN 978-0-444-52824-7. Retrieved 20 May 2012.

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