Prevention of Chemotherapy Induced Ovarian Failure With Goserelin in BC Patients (ZORO)

Inclusion Criteria:

• Written informed consent must be obtained and documented according to the local regulatory requirements prior to beginning specific protocol procedures
• Complete baseline documentation sent to GBG
• Age of at least 18 and at most 45 years
• Patients request to preserve ovarian function
• Spontaneous and regular menstrual periods before study entry with FSH below 15 mlU/ml in follicular phase
• Histologically confirmed primary breast cancer with the need for anthracycline-based chemotherapy
• Steroid receptor (estrogen and progesterone) negative tumor (diagnosis according to hospital standard-procedures)
• No clinical evidence of local recurrence or distant metastases. Complete staging work-up within 3 months prior to registration. All patients must have (bilateral) mammography or breast MRI, chest X-ray; other tests may be performed as clinically indicated
• Karnofsky-Index >80%
• Life expectancy of at least 10 years, disregarding the diagnosis of cancer
• Adequate organ function including normal red and white blood count, platelets, serum creatinine, bilirubin, and transaminases within normal range of the institution
• Patients must be available for and compliant to treatment and follow-up. Patients registered on this trial must be treated and followed up at the participating center.

Exclusion Criteria:

• Known hypersensitivity reaction to the investigational compounds or incorporated substances
• Prior cytotoxic treatment for any reason
• Suspected (primary or secondary) ovarian insufficiency
• Pregnant or lactating patients. Patients of childbearing potential must have a negative pregnancy test (urine or serum) within 14 days prior to registration and must implement adequate non-hormonal contraceptive measures during study treatment; prior use of hormonal contraceptives has to be discontinued before first Goserelin injection
• Other serious illness or medical condition that may interfere with the understanding and giving of informed consent and the conduct of the study
• Prior or concomitant secondary malignancy (except non-melanomatous skin cancer or carcinoma in situ of the uterine cervix)
• Concurrent treatment with other experimental drugs or any other anti-cancer therapy
• Concurrent treatment with sex hormones. Prior treatment must be stopped before study entry