- Agreement by subjects with reproductive potential to use an adequate method of contraception during the study and for 90 days after study drug administration. Female subjects must agree to the use of two reliable methods of contraception while receiving study drug and for 90 days after study drug administration, which can include: condoms, spermicidal gel, diaphragm, hormonal or non-hormonal intrauterine device, surgical sterilization, oral contraceptive pill, and depot progesterone injections. If a male subject is heterosexually active, the subject and his partner must use at least two forms of the listed contraceptive methods.