Optinose, Inc. is a pharmaceutical company. The Company is focused on the development and commercialization of products for patients treated by ear, nose and throat, or ENT, and allergy specialists. The Company’s products candidates include XHANCE (Nasal Polyps), XHANCE (Chornic Sinusitis) OPN-300, OPN-021, and others. The Company’s lead product, XHANCE (fluticasone propionate) nasal spray, utilizes breath powered exhalation delivery system (EDS), to deliver a topically acting and potent anti-inflammatory corticosteroid for the treatment of chronic rhinosinusitis with nasal polyps. XHANCE has a differentiated clinical profile with the potential to become part of the standard of care for this disease because it is able to deliver medication to the primary site of inflammation