Kristopher Kersch

Precise and reproducible evaluation of PD-L1 expression across 12 tumor types using PD-L1 IHC 22C3 pharmDx

The Combined Positive Score (CPS) algorithm is used with PD-L1 IHC 22C3 pharmDx to evaluate PD-L1 expression in certain tumor types and determine patient eligibility at defined cutoffs for treatment with KEYTRUDA®(pembrolizumab). The CPS is scored by evaluating the amount of tumo...