FDA approves Roche’s Ventana® MMR RxDx Panel for the identification of patients eligible for Keytruda® (pembrolizumab)

Roche announced that the FDA has approved the use of its Ventana® MMR RxDx Panel as the first immunohistochemistry companion diagnostic test to aid in identifying patients who may be eligible for treatment with Keytruda®.  The panel is used to identify patients whose solid tumours are deficient in DNA mismatch repair (dMMR), and endometrial cancer patients whose tumours are proficient in DNA mismatch repair (pMMR).