Patent ID: 6541465
Filing Date: 2003-04-01
Classification: A61P,C07J

Abstract:
A method for male contraception comprising the step of administering an effective amount of a pharmaceutical composition comprising a pharmaceutically acceptable carrier and a steroid compound of formula I: whereinR1 is O, (H,H), (H,OR), or NOR, with R being hydrogen, (C1-6)alkyl, or (C1-6)acyl; R2 is (C2-4)alkyl, (C2-4)alkenyl, (C2-4)alkynyl, cyclopropyl, or cyclopropenyl; R3 is hydrogen, (C1-2)alkyl, or ethenyl; R4 is (C1-2)alkyl; and R5 is hydrogen, or (C1-15)acyl.