Technology Update SessionSession 3D Currently there are no FDA approved therapeutics or drugs that treat sensorineural hearing loss or tinnitus. This unmet medical need is the largest in all of neuroscience. Ebselen is a novel anti-inflammatory compound that mimics and induces Glutathione Peroxidase 1 (GPx1), a critical cytoprotective enzyme that is highly expressed in the cochlea, prefrontal cortex, lung and kidney. GPx1 activity and expression is reduced following noise and ototoxic insults that result in temporary and permanent hearing loss and tinnitus. SPI-1005 is a capsule that contains 200 mg of ebselen and is delivered orally twice daily for 7 to 28 days for the treatment of several neurotologic diseases including noise-induced hearing loss, aminoglycoside ototoxicity, and Meniere's disease. Currently, SPI-1005 is the only investigational new drug in an active Phase 3 clinical trial involving a hearing loss or tinnitus indication. The development of SPI-1005 will be reviewed across the 5 active INDs currently being investigated within the US and UK.
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