INSYS Therapeutics, Inc. announced that its New Drug Application (NDA) to the U.S. Food and Drug Administration (FDA) for its investigational, proprietary naloxone nasal spray for the emergency treatment of known or suspected opioid overdose in both adult and pediatric patients has been accepted for filing. INSYS’ naloxone nasal spray is a single unit dose spray device that delivers 8mg naloxone dose. The Centers of Disease Control and Prevention reported 70,237 drug overdose deaths in the United States in 2017 of which 47,600 involved opioids.