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Womens Health (Lond). 2011 Nov;7(6):635-40. doi: 10.2217/whe.11.72.

Preservation of ovarian function and minimizing premature ovarian failure during chemotherapy using gonadotropin-releasing hormone analogs.

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Department of Obstetrics & Gynecology, Rappaport Research Institute, Technion-Faculty of Medicine, Haifa, Israel.


Evaluation of: Del Mastro L, Boni L, Michelotti A et al. Effect of the gonadotropin-releasing hormone analogue triptorelin on the occurrence of chemotherapy-induced early menopause in premenopausal women with breast cancer: a randomized trial. JAMA 306(3), 269-276 (2011). This study is a randomized, open-label, Phase III trial, conducted in 16 Italian centers that enrolled 281 patients between 2003 and 2008. The recruited patients were prospectively and randomly allocated to either chemotherapy alone or combined with monthly triptorelin gonadotropin-releasing hormone analog, started before chemotherapy and repeated every month throughout chemotherapy. The clinical and tumor characteristics of the patients in the control or treatment groups were similar. A total of 12 months after ending chemotherapy, the premature ovarian failure rate was 25.9% in the chemotherapy-alone group versus 8.9% in the chemotherapy and gonadotropin-releasing hormone analog group, an absolute difference of -17% (95% CI: -26 to -7.9%; p < 0.001). The odds ratio for treatment-induced premature ovarian failure was 0.28 (95% CI: 0.14-0.59; p < 0.001). The authors concluded that use of gonadotropin-releasing hormone analog chemotherapy in premenopausal breast cancer patients can significantly reduce the occurrence of chemotherapy-induced early menopause.

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