Calusterone
Clinical data
Trade namesMethosarb, Riedemil
Other names7β,17α-Dimethyltestosterone; NSC-88536; U-22550
Routes of
administration		By mouth
Identifiers
  • (7S,8R,9S,10R,13S,14S,17S)-17-hydroxy-7,10,13,17-tetramethyl-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-1H-cyclopenta[a]phenanthren-3(2H)-one
CAS Number
PubChem CID
ChemSpider
UNII
KEGG
ChEMBL
CompTox Dashboard (EPA)
Chemical and physical data
FormulaC21H32O2
Molar mass316.485 g·mol−1
3D model (JSmol)
  • O=C4\C=C3/[C@]([C@H]2CC[C@]1([C@@H](CC[C@@]1(O)C)[C@@H]2[C@@H](C)C3)C)(C)CC4
  • InChI=1S/C21H32O2/c1-13-11-14-12-15(22)5-8-19(14,2)16-6-9-20(3)17(18(13)16)7-10-21(20,4)23/h12-13,16-18,23H,5-11H2,1-4H3/t13-,16-,17-,18+,19-,20-,21-/m0/s1
  • Key:IVFYLRMMHVYGJH-PVPPCFLZSA-N

Calusterone (INN, USAN) (brand names Methosarb, Riedemil; former developmental code names NSC-88536, U-22550), also known as 7β,17α-dimethyltestosterone, is an orally active anabolic-androgenic steroid (AAS) that is used as an antineoplastic agent.[1][2] It is a 17α-alkylated AAS similar in structure to bolasterone (which is its 7α-isomer).[1]

Androgen/anabolic steroid dosages for breast cancer
RouteMedicationFormDosage
OralMethyltestosteroneTablet30–200 mg/day
FluoxymesteroneTablet10–40 mg 3x/day
CalusteroneTablet40–80 mg 4x/day
NormethandroneTablet40 mg/day
BuccalMethyltestosteroneTablet25–100 mg/day
Injection (IMTooltip intramuscular injection or SCTooltip subcutaneous injection)Testosterone propionateOil solution50–100 mg 3x/week
Testosterone enanthateOil solution200–400 mg 1x/2–4 weeks
Testosterone cypionateOil solution200–400 mg 1x/2–4 weeks
Mixed testosterone estersOil solution250 mg 1x/week
MethandriolAqueous suspension100 mg 3x/week
Androstanolone (DHT)Aqueous suspension300 mg 3x/week
Drostanolone propionateOil solution100 mg 1–3x/week
Metenolone enanthateOil solution400 mg 3x/week
Nandrolone decanoateOil solution50–100 mg 1x/1–3 weeks
Nandrolone phenylpropionateOil solution50–100 mg/week
Note: Dosages are not necessarily equivalent. Sources: See template.

Calusterone is on the World Anti-Doping Agency's list of prohibited substances,[3] and is therefore banned from use in most major sports.

References

  1. 1 2 Elks J (14 November 2014). The Dictionary of Drugs: Chemical Data: Chemical Data, Structures and Bibliographies. Springer. pp. 646–. ISBN 978-1-4757-2085-3.
  2. ↑ Morton IK, Hall JM (6 December 2012). Concise Dictionary of Pharmacological Agents: Properties and Synonyms. Springer Science & Business Media. pp. 52–. ISBN 978-94-011-4439-1.
  3. ↑ "The World Anti-Doping Code: The 2020 Prohibited List" (PDF). World Anti-Doping Agency. Retrieved 2019-12-28.


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