13. Patients who have partners of childbearing potential (e.g. female that has not been surgically sterilized or who are not amenorrheic for >/= 12 months) must be willing to use a method of birth control in addition to adequate barrier protection as determined to be acceptable by the investigator during the study and for 13 weeks after last study drug administration. Please note that the efficacy of hormonal contraception may be decreased if administered with olaparib.