Agilent Technologies Inc. (NYSE: A) today announced that it has received U.S. Food and Drug Administration (FDA) approval for PD-L1 IHC 22C3 pharmDx, Code SK006, as a companion diagnostic to aid in identifying patients with esophageal or gastroesophageal junction (GEJ) carcinoma who may be eligible for treatment with KEYTRUDA® (pembrolizumab), Merck's anti-PD-1 therapy.

PD-L1 IHC 22C3 pharmDx, Code SK006, is the only FDA-approved companion diagnostic indicated to identify patients with esophageal or GEJ carcinoma whose tumors express PD-L1 (Combined Positive Score (CPS) ≥ 1) who may be eligible for treatment with KEYTRUDA. This approval marks the eighth FDA approved companion diagnostic indication currently available for PD-L1 IHC 22C3 pharmDx, Code SK006, for use with KEYTRUDA.