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Safra T.,New York University | Safra T.,Tel Aviv University | Lai W.C.,New York University | Borgato L.,Instituto Oncologico Veneto IRCCS | And 7 more authors.
Annals of Oncology | Year: 2013

Background: Epithelial ovarian cancer (EOC) patients with BRCA mutations have better prognosis than nonhereditary cases matched for histology and stage and age at diagnosis, especially Ashkenazi Jews (AJ). Materials and methods: We retrospectively reviewed data on 700 highly ethnically heterogeneous patients diagnosed with stage Ic-IV EOC and evaluated for BRCA status between 1995 and 2009 in American, Israeli, and Italian medical centers. Results: The ethnicities of the 190 patients (median age 55.5 years, range 31-83 years) were AJ, Jewish non-Ashkenazi, Caucasian, African-American, Hispanic, or unknown. Ninety were BRCA1/2 carriers (71 BRCA1 and 19BRCA2). The most common mutations in AJ and non-AJ origins were 185delAG and 6174delT. Non-Jewish Caucasians exhibited the widest variation (>20 mutation subtypes). BRCA carriers had significantly prolonged median overall survival (93.6 months) compared with noncarriers (66.6 months; 95% confidence interval 44.5-91.7, P = 0.0081). There was no difference in progression-free survival. Conclusions:Our data demonstrate awide varietyof BRCA mutations in a highly ethnically diverse EOC population, and confirm that EOC BRCA mutation carriers have better prognosis with longer median survival than patients with nonhereditary disease. The contribution of unclassified BRCAvariants to cancer etiology remains undetermined. © The Author 2013. Published by Oxford University Press on behalf of the European Society for Medical Oncology. All rights reserved.

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