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Hearing-loss-prevention drugs closer to reality thanks to new UF test
Date:1/17/2013

GAINESVILLE, Fla. A new way to test anti-hearing-loss drugs in people could help land those medicines on pharmacy shelves sooner. University of Florida researchers have figured out the longstanding problem of how to safely create temporary, reversible hearing loss in order to see how well the drugs work. The findings are described in the November/December 2012 issue of the journal Ear & Hearing.

"There's a real need for drug solutions to hearing loss," said lead investigator Colleen Le Prell, Ph.D., an associate professor in the department of speech, language, and hearing sciences at the UF College of Public Health and Health Professions. "Right now the only options for protecting against noise-induced hearing loss are to turn down what you're listening to, walk away from it or wear ear plugs, and those options may not be practical for everyone, particularly for those in the military who need to be able to hear threats."

About 26 million American adults have noise-induced hearing loss, according to the National Institute on Deafness and Other Communication Disorders. Prevention is key because damage to hearing-related hair cells in the inner ear by loud noise is irreversible. Though hearing aids can help amplify sound and implanted devices can restore some sensation of sound for those with more profound hearing loss, they do not restore normal hearing. Thus, researchers are trying to find drugs that prevent hearing damage in the first place.

Although prototype drugs have prevented noise-induced hearing loss in laboratory animals, it has been hard to know whether the same protection is possible in humans, largely because researchers lacked an effective method for the needed tests. Those tests are now achievable because of the UF efforts. The work brings scientists closer to the development of drugs that could help protect people at risk of hearing damage from rock concert goers to factory workers and military personnel who
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Contact: Jill Pease
jpease@phhp.ufl.edu
352-273-5816
University of Florida
Source:Eurekalert  

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