1043 Intratumoral mRNA IL-12 can induce a dose dependent immunostimulatory effect within tumor microenvironment in patients with advanced solid tumors oleh Vivek Subbiah, Dmitriy Zamarin, Omid Hamid, Igor Feldman, Thomas Marron, Yuling Wu, Inderjit Mehmi, Michael Abadier, Analia Azaro, Anthony El-Khoueiry, Eduardo Castañón Álvarez, Jacky Chow, Praveen Aanur, Khanh Do, Vasudha Sehgal, Sandip P Patel, Benedito Carneiro, Linh Van, Nicholas Durham, Xiaoru Chen, Paula G Fraenkel, Arjun Oberoi