"Flipper, are you saying that NWBO already has the recommendation from the DMC, and it's a halt for efficacy?"
Who is waiting for additional responses in the pseudo progression group, NWBO? And is it to make the case to the FDA stronger? -- --Ou.
I am speculating the DMC and NWBO either recently learned, or are still waiting for, the pseudo-progression group events (to) hit a particular number. That's my guess.