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- W2899195238 abstract "e17548 Background: Approximately 4.5% of breast cancers are diagnosed in women younger than 40 years. Chemotherapy (CT)-induced loss of fertility is a major concern for young patients. Different strategies are available to attempt to preserve ovarian function. We evaluated feasibility and patient preferences of 3 different strategies: oocyte cryopreservation (OC), ovarian tissue cryopreservation (OTC) and temporary ovarian suppression with the administration of LHRH analogue (LHRHa) during CT. Methods: From March 2010 to January 2013 49 breast cancer patients younger than 45 years (median age: 38 [range 25-45]), referred to our institution. They were offered the possibility to reduce the gonadotoxic effects of anticancer treatments: the oncologist proposed both the administration of LHRHa during CT, and a reproductive counselling performed by the gynecologist, where OC and OTC were discussed. The first analysis was planned after 2 years; preliminary data are presented. Results: The majority of patients (42 [85.7%]) accepted the treatment with LHRHa, started at least 1 week before CT. Thirty-eight patients (77.6%) refused the reproductive counselling; the main reason for refusal was previous pregnancies (19 patients [38.8%]). Out of 11 patients (22.4%) who accepted the reproductive counselling, only 3 (6.1%) accepted to undergo OC and 1 (2.0%) OTC. The reasons for refusal were: not eligible for comorbidities 3 patients [6.1%]), fear of delaying cancer treatment (2 patients [4.1%]), fear of the ovarian stimulation required (1 patients [2.0%]) and low successful rate of the technique (1 patients [2.0%]). The 3 patients undergoing OC received a controlled ovarian stimulation with the use of daily injections of recombinant FSH: median length of stimulation was 9 days (range, 8 to 9 days); peak estradiol levels ranged from 280 to 521 pg/ml. An average of 13.3 ± 5.7 oocytes was retrieved, and 8.3 ± 3.1 oocytes cryopreserved per patient. Conclusions: This preliminary analysis suggests that the majority of patients (85.7%) accept the administration of LHRHa during CT and approximately 8.2% of patients undergoes surgical fertility preservation techniques." @default.
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- W2899195238 date "2013-05-20" @default.
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- W2899195238 title "Prospective observational study on fertility preservation in young early breast cancer patients: The PREFER (Pregnancy and Fertility) trial." @default.
- W2899195238 doi "https://doi.org/10.1200/jco.2013.31.15_suppl.e17548" @default.
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