Palbociclib and cetuximab compared with placebo and cetuximab in platinum-resistant, cetuximab-naïve, human papillomavirus-unrelated recurrent or metastatic head and neck squamous cell carcinoma: A double-blind, randomized, phase 2 trial

Douglas R. Adkins, Jin-Ching Lin, Assuntina G. Sacco, Jessica Ley, Peter Oppelt, Vyacheslay Vanchenko, Nataliia Komashko, Chia-Jui Yen, Trisha M. Wise‐Draper, José López-Picazo González, Siniša Radulović, Qi Shen, Holger Thurm, Jean-François Martini, Justin Hoffman, Xin Huang, Bohuslav Melichar, Makoto Tahara