KLRC1 and squamous cell carcinoma: However, in patients with refractory/recurrent squamous cell carcinoma of the head and neck, the combination of an anti-NKG2A blocking antibody (monalizumab) together with an approved anti-EGFR antibody (cetuximab) demonstrated a confirmed RECIST (Response Evaluation Criteria in Solid Tumors) partial response in 8 of 26 (31%) and a stable disease in 14 of 26 (54%) patients during the interim’s analysis (121).