Combinatorial immunotherapy of N-803 (IL-15 superagonist) and dinutuximab with ex vivo expanded natural killer cells significantly enhances in vitro cytotoxicity against GD2+ pediatric solid tumors and in vivo survival of xenografted immunodeficient NSG mice ================================================================================================================================================================================================================================================================== * Yaya Chu * Gaurav Nayyar * Susiyan Jiang * Jeremy M. Rosenblum * Patrick Soon-Shiong * Jeffrey T Safrit * Dean A. Lee * Mitchell S. Cairo