This is a multicentre, prospective study willing to evaluate AMH levels changes in response to chemotherapy plus GnRHa. In the present study we propose to determine AMH levels in breast cancer patients, aged \<40yrs receiving adjuvant chemotherapy and ovarian suppression by means of GnRHa with the aim to assess the role of AMH as surrogate marker of the preservation of ovarian reserve exerted by GnRHa.
Patients will receive 4 to 8 cycles of chemotherapy according to Institutional guidelines. Triptorelin 3.75 will be administered as an intramuscular injection before chemotherapy and every 28 days thereafter for all the duration of chemotherapy in patients with ER negative tumors and for 2 to 5 years in patients with ER positive tumors according to Institutional guidelines. Patients with ER+ve tumour will receive tamoxifen for 5 years at the end of chemotherapy as standard care. A blood sample will be drawn after signed informed consent to determine baseline AMH levels. A blood sample for determination of AMH levels will be collected at the end of chemotherapy and at 12 months after the end of chemotherapy.
Study Type
INTERVENTIONAL
Allocation
NA
Purpose
PREVENTION
Masking
NONE
Enrollment
45
Triptorelin administered once every 28 days in addition to chemotherapy
Istituto Clinico Humanitas
Rozzano, Milan, Italy
AMH in response to chemotherapy plus GnRHa
To evaluate AMH levels changes in response to chemotherapy plus GnRHa in order to assess the role of AMH as surrogate marker of the preservation of ovarian reserve exerted by GnRHa
Time frame: 18 months
AMH and menstrual cycle
To correlate AMH behaviour with recovery of menstrual cycle (in the ER negative cohort);
Time frame: 18 months
AMH after chemotherapy
To compare AMH levels obtained at the end of chemotherapy and at 12 months after the end of chemotherapy in the two cohorts of ER positive and ER negative patients
Time frame: 18 months
AMH levels >0.2 ng/mL at the 12-month time point
Evaluate the proportion of patients with AMH levels \>0.2 ng/mL at the 12-month time point.
Time frame: 18 months
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