MERCK on board with PPHM's BAVITUXIMAB ? On APR 21, 2016 NCCN writes about PPHM's Bavituximab trials : Planned studies include bavituximab in combination with pembrolizumab in hepatocellular carcinoma, and durvalumab in NSCLC. pembrolizumab = PD-1 = KEYTRUDA = MERCK !!!!! cancer.ucsf.edu/intranet/sm_files/NCCN%20Bavituximab%20RFP.pdf source, public since 21 JUN 2016 - published today