Efficacy of Valbenazine for the Treatment of Trichotillomania in Adults

Summary

This trial aims to evaluate the efficacy, safety and tolerability of valbenazine, titrated to the subject's optimal dose of 40mg or 80mg, administered once daily, for 12 weeks, for the treatment of trichotillomania (TTM) in a double blind placebo controlled design study. After week 12, subjects will begin a 12-week, open-label portion of the study. During the open-label portion of the study, all subjects will receive the study drug at their optimal dose. The primary endpoint of these studies will be the change from baseline of placebo vs. active scores utilizing the Massachusetts General Hospital Hairpulling Scale (MGH-HPS) at the end of Week 12.

Timeline

Start

2024-02-02

Primary completion

2027-02-15

Completion

2027-02-15

Publications

• Background United States Prescribing Information for INGREZZA. San Diego, CA 92130: Neurocrine Biosciences, Inc.; 2020.
• Background Grant JE, Chamberlain SR. Trichotillomania. Am J Psychiatry. 2016 Sep 1;173(9):868-74. doi: 10.1176/appi.ajp.2016.15111432.
• Background Bloch MH, Landeros-Weisenberger A, Dombrowski P, Kelmendi B, Wegner R, Nudel J, Pittenger C, Leckman JF, Coric V. Systematic review: pharmacological and behavioral treatment for trichotillomania. Biol Psychiatry. 2007 Oct 15;62(8):839-46. doi: 10.1016/j.biopsych.2007.05.019. Epub 2007 Aug 28.
• Background McGuire JF, Ung D, Selles RR, Rahman O, Lewin AB, Murphy TK, Storch EA. Treating trichotillomania: a meta-analysis of treatment effects and moderators for behavior therapy and serotonin reuptake inhibitors. J Psychiatr Res. 2014 Nov;58:76-83. doi: 10.1016/j.jpsychires.2014.07.015. Epub 2014 Jul 26.
• Background Franklin ME, Zagrabbe K, Benavides KL. Trichotillomania and its treatment: a review and recommendations. Expert Rev Neurother. 2011 Aug;11(8):1165-74. doi: 10.1586/ern.11.93.
• Background Sarva H, Henchcliffe C. Valbenazine as the first and only approved treatment for adults with tardive dyskinesia. Expert Rev Clin Pharmacol. 2018 Mar;11(3):209-217. doi: 10.1080/17512433.2018.1429264. Epub 2018 Jan 23.

Drugs

Indications