Therapeutic Response Statement (Sensitivity)

This therapeutic response statement supports the relationship that PR positive status confers therapeutic sensitivity to Anastrozole in patients with Invasive Breast Carcinoma.

The Republic of Ireland's Health Products Regulatory Authority (HPRA) has authorized anastrozole for the adjuvant treatment of patients who are postmenopausal women with hormone receptor-positive early invasive breast cancer who have received 2 to 3 years of adjuvant tamoxifen.

This statement is based on a regulatory approval from the Health Products Regulatory Authority:

Adjuvant treatment of hormone receptor-positive early invasive breast cancer in postmenopausal women who have received 2 to 3 years of adjuvant tamoxifen.

Citation

Laboratoires Juvise Pharmaceuticals. Arimidex 1mg Film-coated Tablets (Anastrozole) [summary of product characteristics]. Health Products Regulatory Authority website. https://assets.hpra.ie/products/Human/23881/Licence_PA23154-001-001_09062021161903.pdf. Revised June 2021. Accessed May 25, 2025.