A pharmaceutical composition for use as medicament that inhibits inhibits autocrine Human Chorionic Gonadotropin (HCG) production and thus carcinogenesis in adult human cells, the composition comprising at least a first pharmaceutically acceptable carrier and an active agent that is a competitively binding progesterone antagonist binding to steroid receptors of human cells, wherein the composition is provided in units designed for the monthly, semi-annual or annual application of the active agent in annual dosages in the range between 0.1 mg to 10.0 mg per kg of person/body-weight.
展开▼