 - Women of child bearing potential must agree to use adequate contraception diaphragm, birth control pills, injections, intrauterine device IUD, surgical sterilization, subcutaneous implants, or abstinence, etc. for the duration of treatment. In addition, women of childbearing potential must have a negative serum pregnancy test b-hCG within 72 hours prior to receiving the first dose of therapy. Sexually active men must agree to use barrier contraceptive for the duration of treatment. 