<unk> , sold under the brand names Prostetin and Roxenone, is an antiandrogen and progestin medication which is used in Japan in the treatment of enlarged prostate. However, this use is controversial due to concerns about its clinical efficacy.<unk>  is not effective by mouth and must be given by injection into muscle.<unk>  is an antiandrogen, and hence is an antagonist of the androgen receptor, the biological target of androgens like testosterone and dihydrotestosterone. It is also a progestin, or a synthetic progestogen, and hence is an agonist of the progesterone receptor, the biological target of progestogens like progesterone. Due to its progestogenic activity,<unk>  has antigonadotropic effects.<unk>  has no other important hormonal activity...<unk>  was introduced for medical use in 1981. It is used only in Japan.
Oxendolone
Oxymetholone
Metenolone
Trenbolone
Trestolone
Ganaxolone
Tibolone
Fluocinonide