Yes, the FDA has accepted PD-L1 as a biomarker for
Post# of 153345
Quote:
Yes, the FDA has accepted PD-L1 as a biomarker for breast cancer, specifically in the context of triple-negative breast cancer (TNBC).
They are using PD-L1 to select patients for a trial, not as an endpoint. This is analogous to our trials requiring CCR5+ expression in patients.

