Therapeutic Response Statement (Sensitivity)

This therapeutic response statement supports the relationship that EGFR oncogenic variants status confers therapeutic sensitivity to Gefitinib in patients with Non-Small Cell Lung Cancer.

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

IRESSA (gefitinib) is indicated for the first line treatment of patients with locally advanced (not amenable to curative therapy) or metastatic non-small cell lung cancer (NSCLC) who have activating mutations of the EGFR-TK

Citation

AstraZeneca Canada Inc. Iressa (gefitinib) [product monograph]. Health Canada website. https://pdf.hres.ca/dpd_pm/00060650.PDF. Revised March 2021. Accessed June 2025.