What is the role of molecular profiling in the diagnosis of pancreatic cancer?

Updated: Oct 02, 2020
  • Author: Tomislav Dragovich, MD, PhD; Chief Editor: N Joseph Espat, MD, MS, FACS  more...
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Molecular profiling can detect mismatch repair deficiency (dMMR) and microsatellite instability–high (MSI-H) status. Across tumor types, patients with this phenotype may respond to pembrolizumab, which is now approved for patients with metastatic cancer of any type and dMMR/MSI-H status. Although dMMR/MSI-H is present in only 1% of patients with pancreatic cancer, in the pivotal trial of pembrolizumab, 83% of patients with dMMR pancreatic cancer showed a response. [57]

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