Interesting video. Not sure it has anything to do with NBWO's temporary hold on screening new patients. It seems like they were already so far in that it was too late to try to address this by a hold although I do believe it is likely that PFS results could have been categorized as false positives early in the trial IMHO.
Definitely a candidate. (My final guess was a manufacturing change, but psPD monitoring would be high on the list of possibilities.) Thanks for posting that video.