Phesgo (pertuzumab and trastuzumab) [product monograph]. HC.

Regulatory approval published by the Health Canada.

Citation

Hoffmann-La Roche Limited. Phesgo (pertuzumab and trastuzumab) [product monograph]. Health Canada website. https://pdf.hres.ca/dpd_pm/00064237.PDF. Revised January 2022. Accessed June 2025.

Regulatory approvals

Approved indications from this document for cancer drugs containing at least one biomarker.

Indication	Statements
PHESGO (pertuzumab and trastuzumab) in combination with chemotherapy is indicated for the neoadjuvant treatment of patients with HER2-positive, locally advanced, inflammatory, or early stage breast cancer.	13
PHESGO (pertuzumab and trastuzumab) in combination with chemotherapy is indicated for the adjuvant treatment of patients with HER2-positive early breast cancer with lymph node positive and/or hormone receptor negative disease.
PHESGO (pertuzumab and trastuzumab), is indicated in combination with docetaxel for treatment of patients with HER2-positive metastatic breast cancer (MBC), who have not received prior anti-HER2 therapy or chemotherapy for metastatic disease.	1

Therapeutic response

Precision oncology relationships for therapeutic response derived from this document.

Type	Biomarker(s)	Cancer type	Therapy(ies)
Sensitivity (+)	HER2-positive	Invasive Breast Carcinoma	Docetaxel, Pertuzumab, Trastuzumab
Sensitivity (+)	HER2-positive	Invasive Breast Carcinoma	Cyclophosphamide, Doxorubicin, Paclitaxel, Pertuzumab, Trastuzumab
Sensitivity (+)	HER2-positive	Invasive Breast Carcinoma	Cyclophosphamide, Docetaxel, Epirubicin, Fluorouracil, Pertuzumab, Trastuzumab
Sensitivity (+)	HER2-positive	Invasive Breast Carcinoma	Cyclophosphamide, Epirubicin, Fluorouracil, Paclitaxel, Pertuzumab, Trastuzumab
Sensitivity (+)	HER2-positive	Invasive Breast Carcinoma	Cyclophosphamide, Docetaxel, Doxorubicin, Fluorouracil, Pertuzumab, Trastuzumab
Sensitivity (+)	HER2-positive	Invasive Breast Carcinoma	Cyclophosphamide, Doxorubicin, Fluorouracil, Paclitaxel, Pertuzumab, Trastuzumab
Sensitivity (+)	HER2-positive	Invasive Breast Carcinoma	Cyclophosphamide, Docetaxel, Epirubicin, Pertuzumab, Trastuzumab
Sensitivity (+)	HER2-positive	Invasive Breast Carcinoma	Cyclophosphamide, Epirubicin, Paclitaxel, Pertuzumab, Trastuzumab
Sensitivity (+)	HER2-positive	Invasive Breast Carcinoma	Cyclophosphamide, Docetaxel, Doxorubicin, Pertuzumab, Trastuzumab
Sensitivity (+)	HER2-positive	Invasive Breast Carcinoma	Carboplatin, Docetaxel, Pertuzumab, Trastuzumab
Sensitivity (+)	HER2-positive	Invasive Breast Carcinoma	Carboplatin, Paclitaxel, Pertuzumab, Trastuzumab
Sensitivity (+)	HER2-positive	Invasive Breast Carcinoma	Paclitaxel, Pertuzumab, Trastuzumab
Sensitivity (+)	HER2-positive	Invasive Breast Carcinoma	Pertuzumab, Trastuzumab, Vinorelbine
Sensitivity (+)	HER2-positive	Invasive Breast Carcinoma	Docetaxel, Pertuzumab, Trastuzumab