5. A woman is eligible to enter and participate in the study if she is of non-childbearing potential (i.e., physiologically incapable of becoming pregnant), including any female who has had a hysterectomy, bilateral oophorectomy (ovariectomy), bilateral tubal ligation, is post-menopausal (total cessation of menses for ≥ 1 year); OR if of childbearing potential, has a negative serum pregnancy test at screening, and agrees to use adequate contraception.