The US FDA turned away two new drug applications (NDAs) submitted under 505(b)(2) in the last week of August – actions that, once again, highlight the fallacy of viewing this regulatory pathway as an easier route to approval relative to a regular 505(b)(1) NDA.
On Aug. 29, Acorda Therapeutics Inc. announced receipt of a refuse-to-file (RTF) letter for Inbrija (levodopa inhalation powder, formerly...





