OptiNose, a privately-held specialty biopharmaceutical company, announced that its licensing partner, Avanir Pharmaceuticals, Inc. has reported that the U.S. Food & Drug Administration (FDA) approved ONZETRA™ Xsail™ (sumatriptan nasal powder), formerly AVP-825, for the acute treatment of migraine with or without aura in adults. ONZETRA Xsail is the first product developed by OptiNose to receive FDA approval and is an intranasal medication delivery system using the novel Xsail Breath Powered Delivery Device.