Therapeutic Response Statement (Sensitivity)

This therapeutic response statement supports the relationship that PD-L1 >= 1%, Wild type ALK, Wild type EGFR status confers therapeutic sensitivity to Pembrolizumab in patients with Non-Small Cell Lung Cancer.

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

KEYTRUDA (pembrolizumab) as monotherapy is indicated for the first-line treatment of adult patients with metastatic non-small cell lung carcinoma (NSCLC) or stage III disease where patients are not candidates for surgical resection or definitive chemoradiation, expressing PD-L1 [Tumour Proportion Score (TPS) ≥ 1%] as determined by a validated test, with no EGFR or ALK genomic tumour aberrations.

Citation

Merck Canada Inc. Keytruda (pembrolizumab) [product monograph]. Health Canada website. https://pdf.hres.ca/dpd_pm/00080285.PDF. Published April 2025. Accessed June 2025.