- Received treatment with estrogens, androgens, or anti-androgenic agents within the previous 12 weeks (Subjects who have been treated with the above agents for more than 12 consecutive weeks prior to start of investigational product are allowed to enrol as long as they do not expect to change dose, drug, or discontinue use during the study). Rationale: It is considered necessary to appropriately assess the safety and pharmacokinetics of GSK2585823 in the study.