TRC 2009.

Trial name or title	'The effect of Tinnitus Retraining Therapy on subjective and objective measures of chronic tinnitus'
Methods	Randomised, double‐blind (subject, investigator), active control, parallel assignment, efficacy study
Participants	Both sexes aged 18 years to 75 years
Interventions	Group 1: TRT Group 2: sound therapy
Outcomes	Primary outcome measures: 1. Change in objective measure of tinnitus loudness using psychoacoustic matching task 2. Change in subjective handicap rating of tinnitus using a standardised questionnaire Secondary outcome measures: 1. Change in subjective ratings of tinnitus loudness, annoyance and awareness
Starting date	November 2005
Contact information	Principal Investigator: Carol A Bauer, M.D. Southern Illinois University School of Medicine
Notes	—