Regulatory approval

Published by the Food and Drug Administration. Approved

KEYTRUDA is a programmed death receptor-1 (PD-1)-blocking antibody indicated as a single agent for the treatment of patients with metastatic NSCLC whose tumors express PD-L1 (TPS >=1%) as determined by an FDA-approved test, with disease progression on or after platinum containing chemotherapy. Patients with EGFR or ALK genomic tumor aberrations should have disease progression on FDA-approved therapy for these aberrations prior to receiving KEYTRUDA.

This is written in the approval document.

Citation

Merck Sharp & Dohme Corp. Keytruda (pembrolizumab) [package insert]. U.S. Food and Drug Administration website. https://www.accessdata.fda.gov/drugsatfda_docs/label/2026/125514Orig1s186lbl.pdf. Revised February 2026. Accessed March 2, 2026.

Therapeutic response

Precision oncology relationships for therapeutic response derived from this regulatory approval.

Organizations	Biomarkers	Cancer types	Therapies
FDA (1)	PD-L1 >= 1%	Non-Small Cell Lung Cancer	Pembrolizumab