Patent Number: 6,251,915

Title: Method for prevention of prostate cancer

Abstract: A method for treatment or prevention of prostate cancer by administering an effective amount of a compound of the formula (I) or a pharmaceutically acceptable salt or ester thereof. In formula (I) (which follows) , each of R.sup.1 and R.sup.2 is a hydrogen atom, a hydroxyl group, a protected hydroxyl group or a lower alkoxy group. ##STR1##

Inventors: Kojima; Koichi (Yokohama, JP), Kobayashi; Tomowo (Tokyo, JP)

Assignee: Sankyo Company, Limited

International Classification: A61K 31/58 (20060101); A61K 031/58 (); A61K 035/00 ()

Expiration Date: 06/26/2018