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Brief Title: Anastrozole Reduced Proliferation and Progesterone Receptor Indexes in Short Term Hormone Therapy
Official Title: Anastrozole Reduced Proliferation and Progesterone Receptor Indexes in Short Term Hormone Therapy. A Prospective Placebo Double Blind Study
Study ID: NCT01016665
Brief Summary: Background: Identification of new biomarkers with potential predictive and prognostic role has contributed unequivocally to breast cancer treatment. Although traditionally endocrine therapy is based on hormonal receptors status (estrogen - ER and progesterone- PR), some patients become hormone resistant. In order to identify a possible profile associated to hormonal resistance, some biomarkers have been assessed after short period primary hormone therapy (HT). Objectives: To compare the expression of Ki-67, Bcl2, Bax, Bak, ER and e PR in postmenopausal women with ER positive invasive ductal carcinomas (IDC), prior and after tamoxifen and anastrozole in short term hormone therapy.
Detailed Description:
Minimum Age: 40 Years
Eligible Ages: ADULT, OLDER_ADULT
Sex: FEMALE
Healthy Volunteers: No
Sao Paulo Federal University, Sao Paulo, , Brazil
Name: Andre Mattar, MD
Affiliation:
Role: PRINCIPAL_INVESTIGATOR