- Female patients or their partners must be postmenopausal (defined as 12 months of amenorrhea following last menses), surgically sterile or must agree to use effective contraception while receiving trial treatment and for at least 3 months thereafter (the definition of effective contraception will be based on the judgment of the investigator). Male patients or their partners must be surgically sterile or must agree to use a barrier method of contraception while receiving trial treatment and for at least 3 months thereafter. (In all cases the definition of effective contraception will be based on the judgment of the investigator).