Merus Receives the US FDA’s Breakthrough Therapy Designation for Petosemtamab to Treat 1L PD-L1+ Recurrent or Metastatic Head and Neck Squamous Cell Carcinoma (R/M HNSCC)

Shots:The US FDA has granted BTD to petosemtamab + Keytruda as 1L treatment of r/m HNSCC harboring PD-L1 (CPS ≥ 1) in adults BTD was backed by interim data from ongoing P-I/II trial evaluating petosemtamab + Keytruda in mentioned pts that showed 67% response rate in 24 evaluable pts with further data presented…