- Women of childbearing potential with either a positive or no pregnancy test (serum or urine) at baseline. Women/men of childbearing potential not using a reliable and appropriate contraceptive method. (Postmenopausal women must have been amenorrheic for at least 12 months to be considered of non-childbearing potential.) Patients will agree to continue contraception for 30 days from the date of the last study drug administration.