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Teen and Adult Tic TMS Study

RecruitingNAAges 15 Years - 35 YearsAllUniversity of California, San Francisco
NCT07839377 on ClinicalTrials.gov ↗
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In plain words

What the trial is, and whether it could suit you

This project investigates safety, tolerability, and efficacy signals of accelerated continuous theta burst stimulation (cTBS), a form of inhibitory repetitive transcranial magnetic stimulation (rTMS), for patients with Tourette Syndrome and chronic tic disorders (CTD). It integrates resting-state functional MRI (fMRI) to assess changes in brain circuits and neurophysiology. CTD are neurodevelopmental disorders marked by motor and/or vocal tics, associated with dysfunction in cortico-striato-thalamo-cortical (CSTC) networks, particularly the supplementary motor area (SMA), primary motor cortex (M1), and connected regions. While low-frequency rTMS has shown preliminary benefits in pediatric populations, circuit-targeted approaches remain relatively unexplored in children, adolescents and adults, leaving no consensus about optimal applications. Participants will be randomized to receive 50

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📋 Eligibility rules (as published)
Inclusion Criteria: 1. Outpatients 2. Ages 15 - 35 years old 3. Meets DSM-5 criteria for persistent (chronic) vocal/motor tic disorder or Tourette's syndrome with screening YGTSS score ≥ 20 (moderate or greater severity). 4. Moderate severity or intolerable side effects with at least one prior trial of an evidence-based anti-tic medication. 5. Stable on chronic psychotropic medications and/or therapy for 6 weeks prior to the study and agreeable to continue current treatments without change throughout the study. 6. Participants may continue to take medications and record daily usage throughout the study. 7. Capacity to provide informed assent or consent and parent or legal guardian able to provide consent for minors. 8. Ability to tolerate clinical study procedures. 9. Successfully complete the screening forms without any contraindications. Exclusion Criteria: 1. Psychiatric: history of schizophrenia, bipolar disorder, substance /alcohol abuse disorder, current elevated suicide risk, prior psychosurgery. 2. Neurologic: severe neurocognitive disorder, seizure disorder, certain structural brain lesions (e.g., intracranial mass lesions, TBI, hydrocephalus, sequelae of meningitis, frank brain injury). 3. TMS contraindications: implanted device; presence of metal in the head, including eyes and ears (excluding dental implants); certain tics. 4. Subjects with an unstable physical, systemic, or metabolic disorder (e.g., unstable hypertension; malnutrition). 5. Females who are pregnant or nursing (as determined by a questionnaire and urine pregnancy test). 6. Inability to complete the research protocol as determined by the Principal Investigator.
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What it tests

  • cTBS (accelerated continuous theta burst stimulation)
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Where

1 site
University of California, San Francisco
San Francisco, United States
🤝 Taking part is your choice, and you can leave at any time. Only the trial team can confirm you are eligible — always decide together with your own doctor.
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