Agilent Secures FDA Nod for PD-L1 Assay in Gastric and Esophageal Cancers

  • Agilent received FDA approval for PD-L1 IHC 28-8 pharmDx as a companion diagnostic for esophageal and gastric cancers.
  • The assay identifies patients eligible for Bristol Myers Squibb’s OPDIVO® and OPDIVO QVANTIG® immunotherapies.
  • Approval expands the assay’s use to include esophageal squamous cell carcinoma, gastric, gastroesophageal junction, and esophageal adenocarcinoma.
  • Agilent’s Autostainer Link 48 is the exclusive staining solution for this diagnostic.

Agilent’s FDA approval strengthens its position in precision oncology, aligning with the growing trend of biomarker-driven immunotherapy. The expansion of PD-L1 IHC 28-8 pharmDx supports Agilent’s long-term strategy in drug-diagnostic co-development, particularly as immunotherapies like OPDIVO® gain traction in treating high-mortality cancers.

Market Adoption
How quickly pathologists and clinicians integrate the assay into treatment workflows for gastric and esophageal cancers.
Competitive Dynamics
Whether Agilent can maintain its leadership in immunohistochemistry diagnostics amid rising competition.
Regulatory Expansion
The pace at which similar approvals are secured for other cancer types or regions outside the U.S.