Regulatory approval

Published by the Food and Drug Administration.

The U.S. Food and Drug Administration granted approval to talazoparib for the treatment of adult patients with deleterious or suspected deleterious germline BRCA-mutated (gBRCAm) HER2-negative locally advanced or metastatic breast cancer. The product label states to select patients for therapy based on an FDA-approved companion diagnostic for Talazoparib.

This is written in the approval document as:

TALZENNA is a poly (ADP-ribose) polymerase (PARP) inhibitor indicated as a single agent for the treatment of adult patients with deleterious or suspected deleterious germline BRCA-mutated (gBRCAm) HER2-negative locally advanced or metastatic breast cancer. Select patients for therapy based on an FDA-approved companion diagnostic for TALZENNA.

Citation

Pfizer, Inc. Talzenna (talazoparib) [package insert]. U.S. Food and Drug Administration website. https://www.accessdata.fda.gov/drugsatfda_docs/label/2024/211651s012lbl.pdf. Revised February 2024. Accessed October 30, 2024.

Therapeutic response

Precision oncology relationships for therapeutic response derived from this regulatory approval.

Type	Biomarker(s)	Cancer type	Therapy(ies)
Sensitivity (+)	BRCA1 pathogenic variants, HER2-negative	Invasive Breast Carcinoma	Talazoparib
Sensitivity (+)	BRCA2 pathogenic variants, HER2-negative	Invasive Breast Carcinoma	Talazoparib