Prospective, Randomized, Double-blind, Placebo-controlled, Parallel-group Trial With an Open-label Period to Investigate the Efficacy and Safety of NT 201 in the Unilateral and Bilateral Treatment of Essential Tremor of the Upper Limb

Investigator: Olga Waln, MD

Study Coordinator:

Status: Enrolling Number: NCT04766723


Protocol Number: PRO00028364


The purpose of this study is to determine whether a single treatment with administration of NT 201 (botulinum toxin) is superior to placebo (no medicine) for one-sided treatment of essential tremor in the arm (Unilateral Period). Participants will be assigned to the treatment groups by chance and neither the participants nor the research staff who interact with them will know the allocation. The following treatment cycle will investigate the safety and tolerability of two-sided treatment with NT 201 (botulinum toxin) (Open Label Bliaterial Period). All participants will receive NT 201 treatment.
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