The FDA approved KemPharm, Inc.’s New Drug Application (NDA) for Apadaz for the short-term (no more than 14 days) management of acute pain severe enough to require an opioid analgesic and for which alternative treatments are inadequate. Apadaz is an immediate release (IR) combination of KemPharm’s prodrug, benzhydrocodone, and acetaminophen (APAP).   “The approval of Apadaz is a significant milestone…