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    Association details:
    Biomarker:TMB-H
    Cancer:Head and Neck Cancer
    Drug:Keytruda (pembrolizumab) (PD1 inhibitor)
    Direction:Sensitive
    Evidence:
    Evidence Level:
    Sensitive: A2 - Guideline
    New
    Source:
    NCCN
    Excerpt:
    Useful in Certain Circumstances:….Pembrolizumab (for MSI-H, dMMR, or TMB-H [≥10 mut/Mb] tumors)
    Evidence Level:
    Sensitive: C1 - Off-label
      (Approved for Solid Tumor)
    New
    Excerpt:
    KEYTRUDA is a programmed death receptor-1 (PD-1)-blocking antibody indicated:...for the treatment of adult and pediatric patients with unresectable or metastatic tumor mutational burden-high (TMB-H) [≥10 mutations/megabase (mut/Mb)] solid tumors, as determined by an FDA-approved test, that have progressed following prior treatment and who have no satisfactory alternative treatment options.