433 A phase 2 study of evorpacept (ALX148) in combination with pembrolizumab and chemotherapy in patients with advanced head and neck squamous cell carcinoma (HNSCC); ASPEN-04
433 A phase 2 study of evorpacept (ALX148) in combination with pembrolizumab and chemotherapy in patients with advanced head and neck squamous cell carcinoma (HNSCC); ASPEN-04