 3. Male subjects with sexual partners of childbearing potential must agree to use 2 medically accepted, effective methods of birth control e.g., hormonal contraception, including oral, implantpatch, or injection, or latex condom with spermicide, diaphragm with intravaginal spermicide, cervical cap with spermicide, or indwelling intrauterine device for the duration of the study and for 90 days after the Follow-up Visit. Male subjects who have had a vasectomy 6 months prior to the first dose of study drug must agree to use 1 medically accepted barrier method for the duration of the study and for 90 days after the Follow-up Visit; 