Efficacy of Digital Noise Reduction Strategies: A Hearing Aid Trial

Completed · Not applicable

Conditions studied: Sensorineural Hearing Loss

In brief

The purpose of this study is to see if noise reduction programs in digital hearing aids help patients hear better than hearing aids without these programs. We also want to know if we can predict how successful patients will be with hearing aids.

Key facts

Study ID

NCT00261768

Run by

US Department of Veterans Affairs

People needed

288

Starts

2004-06-01

Expected to finish

2006-12-01

Last updated by the study team

2010-03-23

Who can join

Age: 18 and older, up to 85. Sex: any. Healthy volunteers: not accepted.

You may qualify if…

• adult onset sensorineural hearing loss
• English as the first language
• bilateral symmetrical sensorineural hearing loss
• Patient is a candidate for directional microphone technology.
• average audiometric thresholds for 500, 1000, 2000, 3000, and 4000 Hz no better than 25-dB HL in either ear.
• no history of hearing aid use in the past 10 years
• appropriate cognitive skills to participate in the study as determined by a passing score on the Mini Mental Scale.
• Patient has a local telephone and address.

You may not qualify if…

• evidence of outer ear, middle ear, or retrocochlear pathology
• any threshold from 500 to 2000 Hz exceeds 70-dB HL
• known neurological or psychiatric disorders as determined by chart review
• known comorbid diseases that would prevent completion of the study as determined by chart review
• visual impairment that would interfere with reading the questionnaires

Where it is running

• VA Medical Center, Bay Pines — Bay Pines, Florida, United States
• James H. Quillen VA Medical Center — Mountain Home, Tennessee, United States

Full record on ClinicalTrials.gov

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