- Women of child-bearing potential, who are biologically able to conceive, and not employing two forms of highly effective contraception or abstinence. Highly effective contraception or abstinence must be used from the time of informed consent, throughout the trial and up to 180 days after the last dose of durvalumab (e.g. male condom with spermicidal; diaphragm with spermicide; intra-uterine device). Women of child-bearing potential are defined as sexually mature women who have not undergone a hysterectomy or who have not been naturally postmenopausal for at least 12 consecutive months (i.e., who has had menses any time in the preceding 12 consecutive months). Women will be considered post-menopausal if they have been amenorrheic for 12 months without an alternative medical cause. The following age-specific requirements apply: