1444 Pharmacologic LDH inhibition redirects intratumoral glucose consumption and improves response to CTLA-4 blockade by Jedd D Wolchok, Taha Merghoub, Sadna Budhu, Roberta Zappasodi, Svena Verma, Inna Serganova, Lauren Dong, Levi Mark Mangarin, Yacine Marouf, Jonathan F Khan