Genmab reports mature survival data for petosemtamab in head and neck cancer
Genmab ($GMAB) reported median overall survival of 28.2 months with petosemtamab plus pembrolizumab in a Phase 2 study of previously untreated, recurrent or metastatic PD-L1-positive head and neck cancer. Among 43 patients evaluable for efficacy, 63% responded and 19% had complete responses. Median progression-free survival was nine months; an estimated 55% of responders maintained their response at two years. The longer follow-up adds durability information to the experimental antibody’s develo