<unk>  has been used as a form of high-dose estrogen therapy to treat prostate cancer, but has since largely been superseded for this indication by newer agents with fewer adverse effects (e.g., gynecomastia and cardiovascular complications) like analogues and nonsteroidal antiandrogens. It has been assessed for this purpose in a number of clinical studies. It has been used at a dosage of 100 mg every 3 to 4 weeks (or once a month) by intramuscular injection for this indication.<unk>  has been used to suppress sex drive in sex offenders. It has been used for this indication at a dosage of 50 to 100 mg by intramuscular injection once every 3 to 4 weeks.<unk>  has also been used to treat breast cancer in women. It has been used in menopausal hormone therapy as well, for instance in the treatment of hot flashes and other menopausal symptoms. Along with estradiol valerate, estradiol cypionate, and estradiol benzoate,<unk>  has been used as an intramuscular estrogen in feminizing hormone therapy for transgender women. It has been used at doses of 100 to as much as 800 mg per month by intramuscular injection for this purpose. Available forms<unk>  was available as an oil solution for intramuscular injection provided in ampoules at a concentration of 100 mg/mL.
Estradiol undecylate
Estradiol dienantate
Estradiol enantate
Estradiol furoate
Estradiol valerate
Estradiol hemisuccinate
Estradiol diundecylenate
Estradiol dipropionate