Data shows strong overall survival, progression-free survival, and durability from novel combination of efti in combination with pembrolizumab in difficult-to-treat head and neck cancer patients with PD-L1 CPS <1 Positively, median overall survival (OS) has not yet been reached and the 12-month OS rate is 67%, both well above historical controls Complete response rate increases to 12.9% and 16.1%, according to RECIST 1.1 and iRECIST, respectively Treatment continues to be well tolerated SYDNEY,...