Dimethandrolone

Dimethandrolone (DMA), also known by its developmental code name CDB-1321, is an experimental androgen/anabolic steroid (AAS) and progestogen medication which is under investigation for potential clinical use.

Dimethandrolone
Clinical data
Other namesCDB-1321; Dimethylnandrolone; 7α,11β-Dimethyl-19-nortestosterone; 7α,11β-Dimethylestr-4-en-17β-ol-3-one; 7α,11β-Dimethyl-19-norandrost-4-en-17β-ol-3-one
Routes of
administration
By mouth
Drug classAndrogen; Anabolic steroid; Progestogen
Identifiers
  • (7R,8R,9S,10R,11S,13S,14S,17S)-17-hydroxy-7,11,13-trimethyl-2,6,7,8,9,10,11,12,14,15,16,17-dodecahydro-1H-cyclopenta[a]phenanthren-3-one
CAS Number
PubChem CID
ChemSpider
UNII
Chemical and physical data
FormulaC20H30O2
Molar mass302.458 g·mol−1
3D model (JSmol)
SMILES
  • CC1CC2=CC(=O)CCC2C3C1C4CCC(C4(CC3C)C)O
  • InChI=1S/C20H30O2/c1-11-8-13-9-14(21)4-5-15(13)18-12(2)10-20(3)16(19(11)18)6-7-17(20)22/h9,11-12,15-19,22H,4-8,10H2,1-3H3/t11-,12+,15+,16+,17+,18-,19+,20+/m1/s1
  • Key:KVIKZOGGZHCGFH-RJMNTABLSA-N

Dimethandrolone is an AAS, and hence is an agonist of the androgen receptor, the biological target of androgens like testosterone. It is also a progestin, or a synthetic progestogen, and hence is an agonist of the progesterone receptor, the biological target of progestogens like progesterone. Due to its androgenic and progestogenic activity, dimethandrolone has antigonadotropic effects. It has no estrogenic activity.

Dimethandrolone was first described in 1997. It was developed by the Contraceptive Development Branch of the National Institute of Child Health and Human Development, an agency in the United States government.

An ester and prodrug of dimethandrolone, dimethandrolone undecanoate (DMAU) (CDB-4521), is under development for potential use as a birth control pill for men and in androgen replacement therapy for men.

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