789TiPHALO 109-301: Phase III, randomized, double-blind, placebo-controlled study of pegvorhyaluronidase alfa (PEGPH20) + nab-paclitaxel/gemcitabine (AG) in patients with previously untreated hyaluronan (HA)-high stage IV pancreatic ductal adenocarcinoma (PDA). (23rd October 2018)