Histologically documented high grade serous epithelial ovarian cancer, fallopian tube or peritoneum cancer
Newly diagnosed advanced (International Federation of Gynecology and Obstetrics \[FIGO\] stage III or IV) ovarian carcinoma, candidate to a first line platinum-based chemotherapy
Tumor tissue must be available for HRD analyses (FFPE tissue block) and
* Collected if possible during the initial surgery or the initial biopsy (before chemotherapy)
* With sufficient tumour surface area (\> 25 mm²), with a final cellularity of at least 20%
Patient affiliated to an appropriate social security system
Patient signed consent form before any trial related activities
You may not be if
Recurrent high grade serous epithelial ovarian cancer, fallopian tube or peritoneum cancer
Non epithelial or borderline ovarian cancer
Other tumor, for which the treatment may interfere with the ovarian cancer treatment and/or that may have a major impact on prognosis
Exclusive palliative setting
Patient deprived of liberty or placed under the authority of a tutor