FDA retains its preference for device pivotal trials that are randomized, double-blinded and controlled in a recent final guidance, but clearly states that “there are devices for which this design is neither feasible nor practical.”
While this notion was touched on in the 2011 draft guidance, the more prominent acknowledgement in the final document is likely to sit well with sponsors. It is among a number of small changes from the draft that appear in the Nov. 7 final guidance,