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Anti-Müllerian Hormone in Female Adolescent Cancer Patients Before, During, and After Completion of Therapy: A Pilot
Abha A Gupta1, Amy Lee Chong1, Catherine Deveault1
1Division of Hematology/Oncology, Department of Pediatrics, Hospital for Sick Children, University of Toronto, Toronto, Ontario, Canada.
Study Objective:
Alkylating agents are implicated in premature ovarian insufficiency. To optimize counseling regarding future ovarian function in survivors of adolescent cancer, we describe anti-Müllerian hormone (AMH) levels in female adolescents at diagnosis, during, and shortly after completion of chemotherapy. DESIGN, SETTING, PARTICIPANTS, INTERVENTIONS, AND MAIN OUTCOME MEASURES: This was a prospective single-institution study. Participants were a mixed population of newly diagnosed postmenarchal female adolescents with malignancy. AMH was performed at diagnosis (T1), 6 months from diagnosis (T2), at end of therapy or 12 months [T3, whichever came first], 1 year after the end of therapy or 24 months from diagnosis [T4, whichever came first], and 18 months from the time of diagnosis (T5). All patients had baseline pelvic ultrasound examinations. Presence of menses and hot flashes were recorded at each time point.
Results:
Sixteen participants with a median age at diagnosis of 14.3 years (range 12-17 years) were followed for 18.2 months (range, 14-24 months). Oncology diagnoses included leukemia, lymphoma, and sarcoma. Ten patients (62.5%) received alkylating agents with a median cumulative dose of 3041 mg/m2 (range, 2639-6478 mg/m2) of cyclophosphamide. Almost half (n = 7; 44%) experienced amenorrhea during treatment with resumption of menses in 6 of 7 patients (85%). Fifteen of 16 (94%) participants showed a decline in mean AMH levels by 6 months (T2) from diagnosis (15.8 IU/mL at T1 vs 6.5 IU/mL at T2; P = .003) and 12 of 15 (80%) showed at least some recovery of AMH (mean AMH at T4 = 13.2 IU/mL compared with 6.5 IU/mL at T2; P = .02). There was no difference in the mean decline nor recovery of AMH in those who did, vs did not receive cyclophosphamide.
Conclusion:
To our knowledge, this is the largest series to date in adolescents showing that AMH is uniformly suppressed during cancer therapy and short-term recovery occurs in just more than half of the patients by 18-24 months. The contribution of short-term AMH measurements in predicting long-term ovarian function remains to be defined. Long-term follow-up with serial AMH levels is required to help predict those at risk for premature ovarian insufficiency.
