Estrone/progesterone/testosterone

Estrone/progesterone/testosterone (E1/P4/T), sold under the brand name Tristeron or Tristerone, is an injectable combination medication of estrone (E1), an estrogen, progesterone (P4), a progestogen, and testosterone (T), an androgen/anabolic steroid, which was used in the treatment of functional uterine bleeding in women.^[1][2] It contained 6 mg estrone, 50 mg progesterone, and 25 mg testosterone in microcrystalline aqueous suspension and was administered by intramuscular injection.^[1][3][4] The medication was manufactured by Wyeth and was marketed by 1951.^[1][5] It is no longer available.^[6][7]

E1/P4/T

Combination of
Estrone	Estrogen
Progesterone	Progestogen
Testosterone	Androgen; Anabolic steroid
Clinical data
Trade names	Tristeron, Tristerone
Other names	E1/P4/T
Routes of administration	Intramuscular injection

See also

• List of combined sex-hormonal preparations § Estrogens, progestogens, and androgens