Exploring DBS Efficacy in Treatment-refractory Tourette's Syndrome

Trial statusNot yet recruiting
Trial phaseNot applicable
Trial typeInterventional
Biological sexAll
Age18-65
SponsorXuanwu Hospital, Beijing

About this trial

The primary purpose of this study is to investigate the effect of deep brain stimulation (DBS) in patients with Treatment-refractory Tourette's syndrome (TR-TS) implantation targeting the Antero-medial globus pallidus interna (GPi), Antero-medial globus pallidus interna (amGPi), Postero-ventrolateral GPi (pvGPi), Centromedian nucleus, substantia periventricularis and nucleus ventro-oralis internus (Cm-Spv-Voi), Centre median nucleus and nucleus ventro-oralis (Cm-Voi), or Nucleus Accumbens/ Anterior Limb of Internal Capsule (NA-ALIC), or other unreported nuclei targets.

Eligibility criteria

Qualifiers

aged 18-65;

able to provide written informed consent;

have a diagnosis of Tourette's syndrome according to the Statistical Manual of Mental Disorders-Fourth Edition-Text Revised (DSM-IV-TR) criteria and confirmed by the Mini-International Neuropsychiatric Interview Chinese version 5.0;

with a YGTSS of at least 35 for at least 12 months before surgery, while YGTSS- Total Motor≥15;

Disqualifiers

presence of other psychotic disorders;

have a treatment history that includes electroconvulsive therapy (ECT), modified electroconvulsive therapy (MECT), transcranial direct current stimulation (tDCS), transcranial alternating current stimulation (tACS), DBS, and transcranial magnetic stimulation (TMS);

presents a suicide risk (defined as a HAMD-17 score of ≥3 on suicide-related items);

experience difficulty in effectively communicating with investigators;

Trial design

Treatments tested in this trial

  • Deep Brain Stimulation (DBS)

Treatment groups

60 Participants
are divided into 1 treatment group

Sponsors and collaborators