 - Female patients must be post menopausal for 1 year, surgically sterile, or have a negative pregnancy test and used at least one form of contraception for 4 weeks prior to Day 1 of the study, during study treatment and during the first 4 months after study treatment is discontinued. Male patients must be surgically sterile or use barrier contraception during the study and for 4 months after the last dose of any study drug. 