Keytruda (pembrolizumab) [package insert]. FDA.

Regulatory approval published by the Food and Drug Administration. Deprecated

Citation

Merck Sharp & Dohme Corp. Keytruda (pembrolizumab) [package insert]. U.S. Food and Drug Administration website. https://www.accessdata.fda.gov/drugsatfda_docs/label/2019/125514s052lbl.pdf. Revised June 2019. Accessed October 6, 2026.

Regulatory approvals

Approved indications from this document for cancer drugs containing at least one biomarker.

Indication	Statements
KEYTRUDA is a programmed death receptor-1 (PD-1)-blocking antibody indicated as a single agent for the first-line treatment of patients with metastatic or with unresectable, recurrent HNSCC whose tumors express PD-L1 [Combined Positive Score (CPS) >=1] as determined by an FDA-approved test.	1

Therapeutic response

Precision oncology relationships for therapeutic response derived from this document.

Organizations	Biomarkers	Cancer types	Therapies
FDA (1)	PD-L1 (CPS) >= 1	Head and Neck Squamous Cell Carcinoma	Pembrolizumab