Study on Pre-menopausal Patients With Advanced ER and PR + BC Treated With Arimidex Plus Zoladex

An Open, Phase II Trial Assessing the Objective Response Rate After Combination of Arimidex® 1mg Per os/Day and Zoladex® 3.6 mg Sub Cut/Monthly as 1st Treatment for Premenopausal Receptor Positive Advanced or Metastatic Breast Cancer

The purpose of this study is to determine the efficacy and tolerance of the association of two drugs already marketed and used to treat your disease: Arimidex® 1 Mg per day per os and Zoladex® 3,6 Mg in injections under cutaneous once per month in subjects with breast cancer.

Inclusion Criteria:

• Signed informed consent, premenopausal women 18 years or older, histologically or cytologically confirmed locally advanced or metastatic breast cancer, suitable for endocrine treatment, no curative treatment available,, one or more measurable lesions, life expectancy more than 6 months, normal biological parameters.

Exclusion Criteria:

• Presence of life-threatening metastases, previous endocrine therapy or chemotherapy for advanced or metastatic disease, any previous treatment with hormone (LH-RH) severe or uncontrolled systemic disease, pituitary adenoma, High risk of medullar compression.