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/00082952.PDF. Revised December 2025. Accessed April 2026.

Therapeutic response

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

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