Upper Limb Tremor Reduction in Essential Tremor Patients

Exclusion criteria

• ✕. Between the ages of 22 and 80 years of age
• ✕. A diagnosis of essential tremor (definite or probable based on TRIG criteria)
• ✕. At least one hand exhibiting tremor \> 2 as assessed by the Essential Tremor Rating
• ✕. Assessment Scale (TETRAS) finger to nose task, duck wing task, OR Archimedes Spiral completed during the Screening visit
• ✕. Stable tremor medications for at least 30 days prior to enrollment and the ability to maintain stable medications through the duration of the study
• ✕. During the Baseline evaluation period, a median tremor score of \> 2 on at least one hand as assessed by the TETRAS finger to nose task, the duck wing task, OR the Archimedes Spiral AND
• ✕. During the Baseline evaluation period, a median score of \> 3 on any one of the subject-assessed items of the Bain \& Findley Activities of Daily Living Scale (BF-ADL)
• ✕. Previous surgical interventions for tremor reduction on the upper limb being used for inclusion in this study (eg, thalamotomy procedure, including Stereotactic Thalamotomy, Gamma Knife Radiosurgical Thalamotomy, or focused ultrasound)