Immune checkpoint inhibitor

Pembrolizumab

Keytruda PD-1 inhibitor immunotherapy

Used across multiple cancer types depending on diagnosis, stage, biomarkers, and treatment setting.

Biomarker and testing questions

Ask whether PD-L1, MSI-H, dMMR, TMB, or other biomarkers are relevant to the current decision.

Second-opinion questions

What is the goal of treatment, what biomarker results support it, and what alternatives or clinical trials should be discussed?

Safety discussion reminder

Immune-related side effects can affect different organs. Review the official label and ask the oncology team which symptoms need urgent attention.

Official source links

NCI cancer drug information (NCI)
DailyMed label search (DailyMed)
FDA label search (FDA)
ClinicalTrials.gov search (ClinicalTrials.gov)

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