Otonomy, Inc. is a biopharmaceutical company. The Company focuses on the development and commercialization of therapeutics for diseases and disorders of the ear. The Company's product candidates include OTIPRIO, OTO-104 and OTO-311. OTIPRIO is a single-dose, physician-administered antibacterial, which is used for the treatment of pediatric patients with bilateral otitis media with effusion undergoing tympanostomy tube placement (TTP) surgery and is available for commercial purchase. OTO-104 is a sustained-exposure formulation of the steroid dexamethasone in development for the treatment of Meniere's disease and other inner ear conditions. OTO-311 is a sustained-exposure formulation of the N-Methyl-D-Aspartate (NMDA) receptor antagonist gacyclidine in development for the treatment of tinnitus. It also has various other product candidates, which target sensorinerual hearing loss, including age-related hearing loss, also known as presbycusis.