It would be incredible--in the literal sense of the word--if this actually works out-of-sample. The biology itself is mind-bendingly hard. On top of that, FDA

It would be incredible--in the literal sense of the word--if this actually works out-of-sample. The biology itself is mind-bendingly hard. On top of that, FDA approval depends on all sorts of factors beyond "efficacy": severity of the disease vs severity of adverse effects, other options, and0--lately--a decent amount of capriciousness.