Reproductive biomedicine online · 2021
Live birth after in-vitro maturation of oocytes in a patient with specific ovarian insufficiency caused by long-term mitotane treatment for adrenocortical carcinoma.
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Bry-Gauillard Hélène, Belin Florine, Vinolas Claire, Renoult-Pierre Peggy, Massin Nathalie, Young Jacques, Sifer Christophe, Grynberg Michael
Аннотация
RESEARCH QUESTION: How should the fertility of a woman with persistent specific ovarian dysfunction after long-term mitotane exposure be managed?
DESIGN: Case report. A 33-year-old woman who underwent surgery for adrenocortical carcinoma and treated with mitotane was referred for infertility. She rapidly became amenorrhoeic while taking mitotane, a condition that persisted for 5 years after cessation. Repeated serum hormone evaluation showed collapsed androgen levels, low oestradiol, high gonadotrophins (LH 69 and 63; FSH 23 and 43 IU/l), relatively high inhibin B level and slightly decreased anti-Müllerian hormone levels (1.4 and 0.7 ng/ml). An ultrasound scan revealed an antral follicle count of 13, contrasting with high serum gonadotrophin levels. After failure to obtain follicular growth after ovarian stimulation, in-vitro maturation (IVM) of immature oocytes aspirated from the antral follicles was carried out for microinjection with the spermatozoa of the patient's partner.
RESULTS: Two cycles of unstimulated egg retrieval were carried out, producing seven IVM oocytes, which were microinjected. A total of three cleavage-stage embryos were vitrified and unsuccessfully transferred after endometrial preparation using hormone replacement therapy (HRT). After a 20-month break, two new attempts were carried out under HRT with the aim of achieving a fresh embryo transfer. The last attempt succeeded after transfer of a single day-2 embryo, and the patient delivered a healthy baby.
CONCLUSION: Persistent specific impaired ovarian function 5 years after withdrawal of mitotane, and the first live birth after IVM in this situation, are reported. The question of fertility preservation before long-term mitotane treatment is raised.
DESIGN: Case report. A 33-year-old woman who underwent surgery for adrenocortical carcinoma and treated with mitotane was referred for infertility. She rapidly became amenorrhoeic while taking mitotane, a condition that persisted for 5 years after cessation. Repeated serum hormone evaluation showed collapsed androgen levels, low oestradiol, high gonadotrophins (LH 69 and 63; FSH 23 and 43 IU/l), relatively high inhibin B level and slightly decreased anti-Müllerian hormone levels (1.4 and 0.7 ng/ml). An ultrasound scan revealed an antral follicle count of 13, contrasting with high serum gonadotrophin levels. After failure to obtain follicular growth after ovarian stimulation, in-vitro maturation (IVM) of immature oocytes aspirated from the antral follicles was carried out for microinjection with the spermatozoa of the patient's partner.
RESULTS: Two cycles of unstimulated egg retrieval were carried out, producing seven IVM oocytes, which were microinjected. A total of three cleavage-stage embryos were vitrified and unsuccessfully transferred after endometrial preparation using hormone replacement therapy (HRT). After a 20-month break, two new attempts were carried out under HRT with the aim of achieving a fresh embryo transfer. The last attempt succeeded after transfer of a single day-2 embryo, and the patient delivered a healthy baby.
CONCLUSION: Persistent specific impaired ovarian function 5 years after withdrawal of mitotane, and the first live birth after IVM in this situation, are reported. The question of fertility preservation before long-term mitotane treatment is raised.