- Male or non-pregnant, non-lactating female who is post-menopausal, surgically sterilized or is using birth control pills, contraceptive implant or injection (ex: NORPLANT®; DEPO-PROVERA®), intra-uterine device, barrier methods with spermicide, or abstinence. (Effective contraception should have been in place for at least two months prior to study entry and must continue for at least 30 days after treatment discontinuation)