Therapeutic Response Statement (Sensitivity)

This therapeutic response statement supports the relationship that HER2-positive status confers therapeutic sensitivity to Paclitaxel, Pertuzumab, Trastuzumab in patients with Invasive Breast Carcinoma.

The Republic of Ireland's Health Service Executive (HSE) has approved pertuzumab / trastuzumab (phesgo) in combination with paclitaxel for reimbursement as a treatment option for the treatment of adult patients with HER2-positive metastatic or locally recurrent unresectable breast cancer, who have not received previous anti-HER2 therapy or chemotherapy for their metastatic disease where patients are intolerant of, have had significant toxicity to, or are deemed clinically unsuitable for docetaxel.

This statement is based on a regulatory approval from the Health Service Executive:

Pertuzumab/trastuzumab (Phesgo) is indicated in combination with PACLitaxel in adult patients with HER2- positive metastatic or locally recurrent unresectable breast cancer, who have not received previous anti- HER2 therapy or chemotherapy for their metastatic disease where patients are intolerant of, have had significant toxicity to or are deemed clinically unsuitable for DOCEtaxel

Citation

Pertuzumab/Trastuzumab (Phesgo) and Weekly PACLitaxel Therapy - 21 day cycle, 2025, version number 4, NCCP National SACT Regimen, NCCP, viewed 26/03/2026, https://healthservice.hse.ie/documents/6420/797_v4_PertuzumabTrasPhesgo_PACLitaxel.pdf