Summary
This is a Phase Ib/II, open-label, multicenter, randomized, umbrella study in
participants with locally advanced squamous cell carcinoma of the head and neck (SCCHN).
The study will enroll treatment-naive participants with resectable Stage III-IVA human
papillomavirus (HPV)-negative, programmed death-ligand 1 (PD-L1)-positive SCCHN with
measurable disease, as assessed by the investigator according to Response Evaluation
Criteria in Solid Tumors, Version 1.1 (RECIST v1.1) who have not received systemic
treatment for their disease.