A Study Of Auricular Transcutaneous Vagus Nerve Stimulation In Chronic Dizziness
Trial Parameters
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Brief Summary
The purpose of this study is to measure the change in dizziness, as measured by change in Dizziness Handicap Inventory (DHI) score, following a 4-week treatment period with aurical transcutaneous vagus nerve stimulation (aTVNS).
Eligibility Criteria
Inclusion Criteria: * Age 18-75, PPPD diagnosis per ICVD. * Persistent dizziness ≥3 months and at least 1 dizziness exacerbation/day during 2-week run-in. * On stable medications/therapy for ≥4 weeks prior to baseline (if any). Exclusion Criteria: * Uncompensated peripheral/central vestibular deficit, sensory-afferent or cerebellar ataxia. * Cardiac disease (coronary disease, unstable arrhythmia), recurrent syncope (\>1 in past 12 months). * Neck surgery, vagotomy, or any condition interfering with vagal stimulation. * Pregnancy.