- Agreement by female subjects with reproductive potential to be using an adequate method of contraception and agrees to continue using this method for the duration of the study. Female subjects must also agree to the use of TWO reliable methods of contraception following receiving study drug; if sexually active, which can include: condoms, spermicidal gel, diaphragm, hormonal or non-hormonal intrauterine device, surgical sterilization, an oral contraceptive pill (OCP), and depot progesterone injections.