flipper, seems that is the new trial with the anti-PD1 immune checkpoint inhibitor (Keytruda) from the statements LP is making.
"we recently opened a novel clinical trial to investigate the safety and efficacy of combining a personalized dendritic cell vaccine with an anti-PD1 immune checkpoint inhibitor, said Dr. Liau. Although we had tested both agents independently in the past, this is the first-in-human trial combining the two approaches in order to harness the immune system against brain cancer"
You would think Merck is in engaged with NWBO at this point....