Phantom ringing of the ears also known as tinnitus is an extremely frustrating condition that afflicts many people. Often triggered by hearing nerve damage, there's no good treatment to fix this condition once it sets in. Until possibly now... AM-101 made by Auris Medical is an experimental drug containing esketamine hydrochloride embedded within a hyaluronic acid gel formulation. It works by blocking the NMDA receptors of the cochlear inner hair cell. Normally, when there…