RecruitingPhase 3Biological interventionA Study of Ficlatuzumab in Combination With Cetuximab in Participants With Recurrent or Metastatic (R/M) HPV Negative Head and Neck Squamous Cell CarcinomaThe purpose of this study is to compare the efficacy and safety of ficlatuzumab plus cetuximab compared to placebo plus cetuximab in participants with recurrent/metastatic (R/M) HPV-negative Head and Neck Cancer. The primary hypothesis is that ficlatuzumab combined with cetuximab is superior to cetuximab alone in terms of progression-free survival and/or overall survival.