CAP TODAY Pathology/Laboratory Medicine/Laboratory Management
December 2019—The FDA approved Agilent Technologies’ PD-L1 IHC 22C3 pharmDx assay as an aid in identifying patients with esophageal squamous cell carcinoma for treatment with Keytruda (pembrolizumab), an anti-PD-1 therapy manufactured by Merck. Keytruda is approved for patients with recurrent locally advanced or metastatic ESCC whose tumors express PD-L1 (combined positive score ≥10), as determined by an FDA-approved test, with disease progression on or after one prior line of systemic therapy.
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