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Published in: Journal of Ovarian Research 1/2019

Open Access 01-12-2019 | Fertility | Research

Adverse reproductive health outcomes in a cohort of young women with breast cancer exposed to systemic treatments

Authors: Cristina Silva, Ana Cristina Ribeiro Rama, Sérgio Reis Soares, Mariana Moura-Ramos, Teresa Almeida-Santos

Published in: Journal of Ovarian Research | Issue 1/2019

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Abstract

Background

Breast cancer is the most common cancer in young women. Fortunately current survival rates of BC are significant which makes future fertility very important for quality of life of BC survivors. Chemotherapy carries a significant risk of infertility in BC patients so it is important to support fertility preservation decisions in premenopausal women. Amenorrhea has long been used as a surrogate marker of infertility in cancer patients but more reliable ovarian reserve (OR) markers are available. This study aimed to prospectively measure levels of OR in a cohort of young women with breast cancer exposed to chemotherapy, to identify adverse reproductive health outcomes in this population and to assess the influence of patient and treatment-related factors in those outcomes.

Methods

This prospective observational study included premenopausal women with breast cancer aged 18–40 years at diagnosis and proposed for (neo) adjuvant chemotherapy. Patients were evaluated before, during and a minimum of 9 months after the end of chemotherapy. Reproductive health outcomes: menses, hormonal and ultrasound OR markers, recovery of ovarian function and Premature Ovarian Insufficiency (POI).

Results

A total of 38 patients were included (mean age 32.9 ± 3.5 years). Levels of OR significantly decreased during the study. At the last follow up, 35 patients had AMH below the expected values for age; eight presented postmenopausal FSH; ten had not recovered their ovarian function and five met the defined criteria for POI. Age and baseline AMH were positively correlated with AMH at the last follow-up. AMH levels were higher in the group of patients treated with trastuzumab and lower in those under hormonal therapy, at the last follow-up.

Conclusions

Significant effects of systemic treatments on several reproductive outcomes and a strong relation of those outcomes with patient’s age and baseline level of AMH were observed. Our results point to a possible lower gonadotoxicity when treatment includes targeted therapy with trastuzumab. Also, this investigation highlights the lack of reliable OR markers in women under hormonal therapy.
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Metadata
Title
Adverse reproductive health outcomes in a cohort of young women with breast cancer exposed to systemic treatments
Authors
Cristina Silva
Ana Cristina Ribeiro Rama
Sérgio Reis Soares
Mariana Moura-Ramos
Teresa Almeida-Santos
Publication date
01-12-2019
Publisher
BioMed Central
Published in
Journal of Ovarian Research / Issue 1/2019
Electronic ISSN: 1757-2215
DOI
https://doi.org/10.1186/s13048-019-0581-6

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