A succint summary of the status (including some results from past research) can be found here:
http://report.nih.gov/NIHfactsheets/ViewFactSheet.aspx?csid=94
My blog is a layman's attempt to put together information on sensorineural hearing loss cures/on its related tinnitus cures , for sufferers' comfort and for scientists/doctors/interested persons to collaborate together and not repeat experiments already done by others. All are advised to seek proper verification/advice and not to simply rely on any information here. Please e-mail me at wongtanlim3@yahoo.com to provide updates