COPENHAGEN, Denmark–(BUSINESS WIRE)–Genmab A/S (Nasdaq: GMAB) today announced positive topline results from the global Phase 3 LiGeR-HN1 trial (NCT06525220) evaluating petosemtamab, an investigational IgG1-bispecific antibody targeting the epidermal growth factor receptor (EGFR) and the leucine-rich repeat containing G-protein-coupled receptor 5 (LGR5), in combination with pembrolizumab versus pembrolizumab in patients with first-line (1L) PD-L1 positive recurrent/metastatic head and neck squ