At a glance
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Open Trial of Median Nerve Stimulation for Treatment of Tourette Syndrome
In Brief
A clinical study evaluating Active, self-directed electrical stimulation of the median nerve for Tourette Syndrome and Tic Disorder, Chronic Motor or Vocal. Completed, enrolled 31 participants across 1 site.
Detailed Summary
A recent report (Morera Maiquez et al 2020) described reduced tic severity in people with Tourette syndrome during 1-minute epochs of median nerve stimulation (MNS) at 10 Hz. Among the various questions still to be answered is the question of whether a device to administer MNS is practical for use in a chronic, real-world setting. This study will recruit participants who complete the clinic-based, blinded, randomized controlled trial, https://clinicaltrials.gov/ct2/show/NCT04731714, to determine the real-world usage and apparent utility of median nerve stimulation in people with chronic tics.
Study Details
Timeline
Interventions
Electrical stimulation of the median nerve (12 Hz, pulse width 200µs), initially at the threshold needed to see movement of the right thumb with stimulation. After initial training with the device and education in the rationale for suprathreshold stimulation, participants will choose timing and intensity of stimulation based on their momentary symptom severity and their experience with the treatment since the beginning of the study. Participant can choose right or left median nerve (we will suggest their nondominant hand to minimize interference with daily activities).