This trial is a randomized, double blind, placebo controlled study on patients suffering from inner ear diseases with tinnitus as a principal symptom.
The study will investigate the transtympanic treatment with a 1,5 % caroverine solution.
Each patient will undergo treatment for 2 cycles of 48 hours each.
Estimated Enrollment: 170
Study Start Date: January 2011
Estimated Primary Completion Date: January 2012 (Final data collection date for primary outcome measure)