Therapeutic Response Statement (Sensitivity)
This therapeutic response statement supports the relationship that BRCA2 pathogenic variants, HER2-negative status confers therapeutic sensitivity to Talazoparib in patients with Invasive Breast Carcinoma.
Health Canada approved talazoparib as a monotherapy for the treatment of adult patients with a deleterious or suspected deleterious germline breast cancer susceptibility gene (BRCA)-mutated human epidermal growth factor receptor 2 (HER2)-negative locally advanced (not amenable to curative radiation or surgery) or metastatic breast cancer, who have previously been treated with chemotherapy in the neoadjuvant, adjuvant or metastatic setting, unless patients were inappropriate for these treatments.
This statement is based on a regulatory approval from the Health Canada:
TALZENNA (talazoparib) is indicated as a monotherapy for the treatment of adult patients with a deleterious or suspected deleterious germline breast cancer susceptibility gene (BRCA)-mutated human epidermal growth factor receptor 2 (HER2)-negative locally advanced (not amenable to curative radiation or surgery) or metastatic breast cancer, who have previously been treated with chemotherapy in the neoadjuvant, adjuvant or metastatic setting, unless patients were inappropriate for these treatments.