The objective of this study is to examine the efficacy of tinnitus retraining therapy (TRT) as a treatment of chronic tinnitus in people with limited hearing loss. The study design is prospective, randomized, double-blind, with repeated measures. The null hypothesis states there will be no difference in subjective measures of tinnitus severity between subjects treated with standard TRT and subjects treated with sham TRT.
The specific aims of the study are to: * Evaluate the efficacy of TRT in reducing the objective magnitude of tinnitus. * Evaluate the efficacy of TRT in reducing the subjective awareness and impact of tinnitus. * Determine the therapeutic time course of improvement in tinnitus. * Determine the long-term improvement in tinnitus derived from TRT.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
DOUBLE
Enrollment
41
Sound therapy and counseling
sound therapy and counselling
Southern Illinois University School of Medicine
Springfield, Illinois, United States
Change in objective measure of tinnitus loudness using psychoacoustic matching task
Time frame: 18 months
Change in subjective handicap rating of tinnitus using a standardized questionnaire
Time frame: 18 months
Change in subjective ratings of tinnitus loudness, annoyance and awareness
Time frame: 18 months
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