Purdue Pharma LP, of Stamford, Conn., said the FDA approved Targiniq ER (oxycodone hydrochloride and naloxone hydrochloride extended-release tablets), an extended-release/long-acting (ER/LA) opioid analgesic to treat pain severe enough to require daily, around-the-clock, long-term opioid treatment and for which alternative treatment options are inadequate.