Trioestrine_Retard
Estradiol diundecylate/hydroxyprogesterone heptanoate/testosterone cyclohexylpropionate
Combination drug
Estradiol diundecylate/hydroxyprogesterone heptanoate/testosterone cyclohexylpropionate (EDU/OHPH/TCHP), sold under the brand name Trioestrine Retard, is an injectable combination medication of estradiol diundecylate (EDU), an estrogen, hydroxyprogesterone heptanoate (OHPH), a progestogen, and testosterone cyclohexylpropionate (TCHP), an androgen/anabolic steroid.[1][2][3] It contained 2.25 mg EDU, 100 mg OHPH, and 67.5 mg TCHP in oil solution, was provided as ampoules, and was administered by intramuscular injection.[1][2][3][4][5] The medication was manufactured by Roussel and Théramex and was marketed by 1953.[6] It is no longer available.[7][8]