Inclusion Criteria:

- Female subjects 18 years of age or older with FIGO Stages III-IV epithelial ovarian,
primary peritoneal or fallopian tube cancer with an indication for first-line
treatment with paclitaxel and carboplatin x 6 cycles (Subjects with pseudomyxoma,
mesothelioma, adenocarcinoma with an unknown primary tumour, carcinosarcoma, sarcoma,
mucinous or neuroendocrine histology are excluded

- Subjects with FIGO Stage IIIA or IIIB disease must have undergone PDS for ovarian,
primary peritoneal or fallopian tube cancer within 12 weeks prior to randomization

- Subjects with FIGO Stage IIIC or IV disease must either:

- Undergo PDS for epithelial ovarian, primary peritoneal or fallopian tube cancer
within 12 weeks prior to randomization or

- Plan to have IDS following 3 cycles of paclitaxel and carboplatin plus AMG 386 or AMG
386 placebo for biopsy proven epithelial ovarian, primary peritoneal or fallopian
tube cancer

- ECOG performance status of 0 or 1

- Adequate bone marrow, renal and hepatic function

Exclusion Criteria:

- Prior use of any anticancer therapy or experimental therapy for epithelial ovarian,
primary peritoneal or fallopian tube cancer

- Previous abdominal and/or pelvic external beam radiotherapy

- History of central nervous metastasis

- History of arterial or venous thromboembolism within 12 months prior to randomization

- Clinically significant cardiovascular disease within 12 months prior to randomization