Afatinib is indicated for the first-line treatment of patients with metastatic non-small cell lung cancer (NSCLC) whose tumors have non-resistant epidermal growth factor receptor (EGFR) mutations as detected by an FDA-approved test.
The safety and efficacy of Afatinib have not been established in patients whose tumors have resistant EGFR mutations.
Afatinib is indicated for the treatment of patients with metastatic squamous NSCLC progressing after platinum-based chemotherapy.
from FDA,2022.04