The Efficacy of Incobotulinum Toxin A Injections for Treatment of Tinnitus: a Randomized Controlled Trial

Tinnitus is a persistent non-physiologic, non-psychiatric, ringing in the ear that affects up to 20% of the general US population. The purpose of this study is to assess the patient reported effectiveness of Xeomin (incobotulinumtoxinA) injections into the auricular muscles for relief of tinnitus with use of the Tinnitus Handicap Inventory questionnaire.

Inclusion Criteria:Adults age 18 or olderUnilateral or bilateral tinnitus present for ≥ 2 monthsA score >16 on the Tinnitus Handicap InventoryParticipants must be willing and able to provide informed consent.Exclusion Criteria:Patients with known hypersensitivity to any botulinum toxin product or to any of the components in the formulation.Patients who have received botulinum toxin injections for any medical reason within 4 months prior to screening.Patients with infection at proposed injection sites.Patients scheduled for neurological or otological surgery for chronic ear disease, vestibular schwannoma, meningioma, or skull base tumors.Significant psychiatric history or associated diagnosis of major depression.Women who are pregnant or breastfeeding.