Regulatory approval

Published by the Health Canada.

Health Canada approved atezolizumab in combination with nab-paclitaxel is indicated for the treatment of adult patients with unresectable locally advanced or metastatic triple-negative breast cancer (TNBC) whose tumours have PD-L1 expression on tumour-infiltrating immune cells (IC) covering ≥ 1% of the tumour area, and who have not received prior chemotherapy for metastatic disease.

This is written in the approval document as:

TECENTRIQ (atezolizumab) in combination with nab-paclitaxel is indicated for the treatment of adult patients with unresectable locally advanced or metastatic triple-negative breast cancer (TNBC) whose tumours have PD-L1 expression on tumour-infiltrating immune cells (IC) covering ≥ 1% of the tumour area, and who have not received prior chemotherapy for metastatic disease.

Citation

Hoffmann-La Roche Limited. Tecentriq (atezolizumab) [product monograph]. Health Canada website. https://pdf.hres.ca/dpd_pm/00078266.PDF. Revised January 2025. Accessed June 2025.

Therapeutic response

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

Type	Biomarker(s)	Cancer type	Therapy(ies)
Sensitivity (+)	ER negative, HER2-negative, PD-L1 >= 1%, PR negative	Invasive Breast Carcinoma	Atezolizumab, Nab-paclitaxel