616 Pharmacokinetics and safety of a subcutaneous formulation of nivolumab (NIVO SC) monotherapy: updated results from the phase 1/2 CheckMate 8KX study oleh Elizabeth Gibson, Sara Lonardi, Christopher Jackson, Armando Santoro, Jose Manuel Trigo Perez, Iwona Lugowska, R Donald Harvey, Anne O’Donnell, Richard North, Loes Maria Latten-Jansen, Marcelo Garrido Salvo, Matías Chacón, Linghui Li, Devanand Joseph, Bryan Bennett, Balmeet Gurm, Wee-Teck Ng, Aitana Calvo