The US FDA is facing a challenge its its restrictions on compounding a drug – but interestingly, Athenex Inc. is not using the now-familiar pricing argument in making its case that its product should be available as an alternative to the brand. The company contends that FDA wrongly excluded vasopressin from the list of bulk drug substances that can be used in compounding because of an already approved product, Par Pharmaceutical's Vasostrict.
Athenex filed suit against FDA on March 4, the day the agency issued a Federal Register notice that it...






