Clinical & Scientific Information

BeyondTinnitus® is established on foundation of previously done or ongoing independent clinical studies, and has raised from several years of research and experience. These studies and the basis of the BeyondTInnitus protocols have been funded by grants from the National Institutes of Health as well as the American Tinnitus Association.

In the first study, 20 subjects had tinnitus pitch matching performed using the web-based interface developed by Mind:Set Technologies and by an audiologist using an audiometer. It was found that a web-based protocol for tinnitus frequency matching was as accurate as the standard audiometric protocol, but took less time. This study was presented at the American Academy of Otolaryngology - Head and Neck Surgery in San Francisco, CA in September 2011. The study is due to be published soon in the European Archives of Otolaryngology  - Head and Neck Surgery.

In the second study, 32 subjects were enrolled. The subjects matched their tinnitus frequency using a web-based protocol. A customized Harmonic Sound Therapy file was downloaded by the patient onto an MP3 player. The subjects listened to the sound file for one hour using open-ear headphones at a level equal to tinnitus loudness (mixing-point). Tinnitus loudness mean decreased from 6 (range, 0-10) to 3.3 (range, 0-6) after one hour of sound therapy. A reduction in loudness was seen in 88% of subjects, while 72% experienced a reduction of 25% or more, 34% of subjects had 50% reduction and finally 13% of subjects were completely releived from having tinnitus. Tinnitus annoyance decreased from an average of 6.1 (range, 1-10) to 3.1 (range, 0-8). Median duration of residual inhibition was 60 minutes, with an average of 86 minutes (range, 0-720). The two key conclusions of this second study applicable to this proposal are that 1) customized sound therapy can be delivered via the internet, and 2) Harmonic Sound Therapy is effective in reducing the loudness and annoyance of tinnitus in a diverse group of subjects. This study was presented at the American Academy of Otolaryngology - Head and Neck Surgery in San Francisco, CA in September 2011. The study will be published soon in the Annals of Otology, Rhinology, and Laryngology.

In an third study, 28 subjects were enrolled in the full Mind:Set Technologies Tinnitus Rehabilitation Program, including the education, induction, and the harmonic sound and music therapy. Overall, 24 of 28 subjects (89%) had a reduction in the tinnitus loudness and annoyance. The residual inhibition after 1 minute of stimulation has increased over time. No adverse events have occurred and no increase in tinnitus loudness has been found in any of the subjects. The results of this study were presented at the International State of the Science Meeting on Blast Induced Tinnitus in Chantilly, VA in November 2011. This study has been accepted for publication in the International Tinnitus Journal.

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