There is incidental evidence (casuistic findings) that the treatment with vardenafil of male
patients suffering from erectile dysfunction and comorbid tinnitus experienced an improvement
of their tinnitus.
Randomized, parallel-group, double-blind, placebo-controlled trial over 16 weeks (12 weeks of
treatment + 4 weeks follow-up) with 10 mg vardenafil BID p.o. in men and women with chronic
tinnitus.