Not only didn't a single patient respond to DCVax-Direct [1], but MRK signed a deal with MRNA back in '16 [2] and expanded it two years later [3]. Refs: 1 https://clincancerres.aacrjournals.org/content/24/16/3845.long 2 https://www.businesswire.com/news/home/20160629005446/en/Merck-Moderna-Announce-Strategic-Collaboration-Advance-mRNA-Based 3 https://www.businesswire.com/news/home/20180503006100/en/Moderna-Merck-Expand-mRNA-Cancer-Vaccines-Collaboration