- using one of the following acceptable birth control methods: surgically sterile (bilateral tubal ligation, hysterectomy, bilateral oophorectomy) at least 6 months prior to the first dose; intra-uterine device in place for at least 3 months prior to the first dose; barrier method (condom, diaphragm) with spermicide for at least 14 days prior to the first dose, throughout the study and for 90 days after IP dose; surgical sterilization of the partner (vasectomy for at least 6 months prior to the first dose); hormonal contraception for at least 3 months prior to the first dose, throughout the study and for 90 days after IP dose.