Oncologists at the Moores Cancer Center at the University of California, San Diego (UCSD) in La Jolla are hoping to stave off the relentless march of advanced lung cancer by treating patients with a novel kind of cancer vaccine. While many vaccines attempt to pump up the immune system to fight off a cancer, the new vaccine, Lucanix, is genetically engineered to also trick the cancer into turning off its immune system-suppressing activities.