A Study of Suvecaltamide in Adults With Moderate to Severe Residual Tremor in Parkinson's Disease

Participants will be randomized 1:1 to receive suvecaltamide or placebo and stratified by the Essential Tremor Rating Scale (TETRAS) composite outcome score (≤ 17 or \> 17) as assessed at baseline. The maximum total duration of the study for each participant will be 23 weeks, with a maximum treatment duration of 17 weeks. For each participant, the study consists of a Screening Period (up to 4 weeks), a 5-week Dose Titration and Optimization Period, a 12-week Maintenance Period, and a 2-week Safety Follow-up Period.