- Patients with platinum sensitive relapsed high grade epithelial ovarian cancers (including primary peritoneal and/or fallopian tube cancer). (Platinum sensitive disease is defined as disease progression ≥6 months after completion of their last dose of platinum based chemotherapy. Patients must be currently in response to platinum-based chemotherapy. For the last chemotherapy course immediately prior to enrolment on the study, patients must be, in the opinion of the investigator, in response (partial or complete), following completion of this chemotherapy course.