OptiNose Inc is a specialty pharmaceutical company focuses on the development and commercialization of products for patients treated by ear, nose, and throat (ENT), and allergy specialists. Its first commercial product, XHANCE (fluticasonepropionate) nasal spray, 93 microgram (mcg), is a therapeutic utilizing the proprietary Exhalation Delivery System (EDS) that delivers a topically-acting corticosteroid for the treatment of chronic rhinosinusitis with and without nasal polyps.