- If a woman of child-bearing potential (WOCBP), she and her partner must be willing to employ either a highly effective form of birth control (e.g., implants, injectable medications, a hormone combination oral contraceptive, etc.), sexual abstinence, or a vasectomised partner, in combination with a barrier method, for the entire duration of the study (through study discharge). Male subjects with a WOCBP partner must be willing to use a condom during sexual activity for the entire duration of the study (through study discharge).