Efficacy of Valbenazine for the Treatment of Trichotillomania in Adults

This study is testing whether valbenazine, a medication already approved for certain movement disorders, can help adults with trichotillomania — a condition where people feel a strong urge to pull out their own hair, causing distress and difficulty in daily life. **You may be eligible if...** - You are between 18 and 65 years old - You have been diagnosed with trichotillomania (hair-pulling disorder) based on DSM-5 criteria - Your hair-pulling symptoms cause significant distress or interfere with daily life - You have been on a stable psychiatric medication regimen for at least 4 weeks - You are in good general health **You may NOT be eligible if...** - You have bipolar disorder, a psychotic disorder, substance use disorder, or intellectual disability - You are currently taking antipsychotic medications - You have recently started or changed a behavior therapy for hair-pulling or OCD (within 12 weeks) - You are pregnant, breastfeeding, or have a positive pregnancy test - You have a history of heart rhythm problems (long QT syndrome or arrhythmia) - You have a known allergy to VMAT2 inhibitors (like tetrabenazine) Talk to your doctor to see if this trial is right for you.