Testosterone propionate/testosterone cypionate/prasterone

< Testosterone propionate < testosterone cypionate
TP/TC/DHEA
Combination of
Testosterone propionateAndrogen; Anabolic steroid
Testosterone cypionateAndrogen; Anabolic steroid
PrasteroneAndrogen; Neurosteroid
Clinical data
Trade namesSten
Other namesTP/TC/DHEA
Routes of
administration		Intramuscular injection
Identifiers
CAS Number

Testosterone propionate/testosterone cypionate/prasterone (TP/TC/DHEA), sold under the brand name Sten, is an injectable combination medication of testosterone propionate (TP), a fast-acting androgen/anabolic steroid, testosterone cypionate (TC), a long-acting androgen/anabolic steroid, and prasterone (dehydroepiandrosterone; DHEA), an androgen and neurosteroid, which has been used to treat andropause, hypogonadism, and impotence in men and breast cancer, fibrocystic breast disease, and low sexual desire in women. It contains 25 mg TP, 75 mg TC, and 20 mg DHEA in 2 mL oil solution provided in ampoules and is administered by intramuscular injection once every 15 to 30 days. The medication was previously marketed in Mexico but appears to no longer available. The duration of action of TP/TC/DHEA has been reported to be approximately 15 to 30 days, due to the long-acting TC component.

Parenteral durations of androgens/anabolic steroids
MedicationFormMajor brand namesDuration
TestosteroneAqueous suspensionAndronaq, Sterotate, Virosterone2–3 days
Testosterone propionateOil solutionAndroteston, Perandren, Testoviron3–4 days
Testosterone phenylpropionateOil solutionTestolent8 days
Testosterone isobutyrateAqueous suspensionAgovirin Depot, Perandren M14 days
Mixed testosterone estersaOil solutionTriolandren10–20 days
Mixed testosterone estersbOil solutionTestosid Depot14–20 days
Testosterone enanthateOil solutionDelatestryl14–28 days
Testosterone cypionateOil solutionDepovirin14–28 days
Mixed testosterone esterscOil solutionSustanon 25028 days
Testosterone undecanoateOil solutionAveed, Nebido100 days
Testosterone buciclatedAqueous suspension20 Aet-1, CDB-1781e90–120 days
Nandrolone phenylpropionateOil solutionDurabolin10 days
Nandrolone decanoateOil solutionDeca Durabolin21–28 days
MethandriolAqueous suspensionNotandron, Protandren8 days
Methandriol bisenanthoyl acetateOil solutionNotandron Depot16 days
Metenolone acetateOil solutionPrimobolan3 days
Metenolone enanthateOil solutionPrimobolan Depot14 days
Note: All are via i.m. injection. Footnotes: a = TP, TV, and TUe. b = TP and TKL. c = TP, TPP, TiCa, and TD. d = Studied but never marketed. e = Developmental code names. Sources: See template.
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