I have a hard time believing any company raised the funds and goes through a clinical trial and the failure to get a BLA done is just assumed to be on the sponsor company. They must ask Amarex if they screwed something up or at least if there was a way to salvage the trial. It can't be that Amarex so rarely got a drug that could get FDA approval that they lost all ability to actually file the BLA correctly.
I do think that Amarex must have had a good reputation and was able to do the work, but for some reason in the past 2 years they just lost some key people and it went down the tubes.