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Trial + Data / Events	Status	Ph	N	Region	Interventions	Sponsor	Conditions	Primary compl	Study compl
Ricketts, Emily J
NCT03508245: Investigating Circadian Rhythms in Youth With Persistent Tic Disorders	Completed	N/A	35	US	Wearable short wavelength light therapy, Re-Timer	University of California, Los Angeles, National Institute of Mental Health (NIMH)	Tourette's Disorder	06/23	06/23
NCT06036420: Flashed Light Therapy for Adolescents With ADHD and Delayed Sleep Timing	Recruiting	N/A	6	US	Flashed Light Therapy, Light flashes, Videoconference-delivered Cognitive Behavioral Therapy	University of California, Los Angeles	ADHD	12/24	12/24
NCT05499741: Forehead Temperature-Regulating Therapy for Insomnia in Adults With Tourette's Disorder	Recruiting	N/A	25	US	Forehead Temperature-Regulating Therapy, Ebb CoolDrift Versa	University of California, Los Angeles, Brain & Behavior Research Foundation	Tourette's Disorder, Insomnia	08/25	09/25
Himle, Michael B
NS in TS, NCT05281445: Exploring the Role of Neuroactive Steroids in Tourette Syndrome	Not yet recruiting	N/A	120	US	Tic suppression task	University of Utah, University of Miami, Albert Einstein College of Medicine	Tourette Syndrome in Children	03/24	03/24
PTD, NCT06385535: Clinical Characteristics and Temporal Properties of Individual Tics in Persistent Tic Disorder	Recruiting	N/A	12	US	Habit Reversal Training (HRT), Therapy, Behavior Therapy, Comprehensive Behavioral Intervention for Tics, CBIT, Habit Reversal Therapy, HRT, Tic Therapy	University of Utah	Tics, Tic Disorders, Vocal Tic, Motor Tic, Tourette Syndrome, Tourette Syndrome in Children, Tourette Syndrome in Adolescence, Tics/Tremor	12/24	12/24
CBIT-Trainer, NCT05547854: Evaluation of an Online Comprehensive Behavioral Intervention for Tics (CBIT) Therapist Training Program	Recruiting	N/A	234	US	Behavior Therapy Training Institute, CBIT-Trainer	University of Utah, Marquette University, PsycTech, LLC	Tics, Tic Disorders, Tourette Syndrome	12/24	06/25