https://www.businesswire.com/news/home/20180601005075/en/ > PRINCETON, N.J.--(BUSINESS WIRE)--Jun 1, 2018--  (NASDAQ:ADXS), a late-stage biotechnology company focused on the discovery, development and commercialization of immunotherapy products, today announced preliminary data from the ongoing metastatic, castration resistant prostate cancer (mCRPC) Phase 1/2 KEYNOTE-046 study, conducted in conjunction with Merck (known as MSD outside the United States and Canada) evaluating ADXS-PSA, Advaxis’s Listeria monocytogenes ( Lm )-based immunotherapy, alone and in combination with KEYTRUDA ® (pembrolizumab), Merck’s anti-PD-1 therapy. > Findings will be highlighted in a poster discussion at the 2018 American Society of Clinical Oncology (ASCO) Annual Meeting underway in Chicago, on Saturday, June 2, from 4:45 pm to 6:00 p.m. CDT (Location: Hall A; Poster #246; Abstract #5019). Principal Investigator and author Naomi Haas, MD, Director of the Prostate and Kidney Cancer Programs and Associate Professor of Medicine at the Hospital of the University of Pennsylvania will be presenting.