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Tourette SyndromeSTOP-TICNCT04795908

Combined CBIT and rTMS to Improve Tourette's Syndrome

A study testing Transcranial Magnetic Stimulation and Comprehensive behavioral intervention in people with Tourette Syndrome, run by University of Florida at 1 site in United States.

Completed

Finished. The study has ended and is not enrolling. Results may be posted on the official record.

Official record
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Trial summary

The investigator will apply 16 sessions of repetitive transcranial magnetic stimulation (rTMS) over 4 consecutive days for adult patients suffering from Tourette's Syndrome. Following rTMS, patients will undergo 8 sessions of Comprehensive Behavioral Intervention for Tics (CBIT) over 10 weeks via telemedicine. Read more about this study

Who is it for?
Ages 18 to 85 years
Conditions the study is for
Tourette Syndrome
What is being tested?
Transcranial Magnetic Stimulation and Comprehensive behavioral intervention
Could I receive a placebo?
No, everyone receives an active treatment
How many people
3 participants
Where
1 siteUnited States
Study dates
17 Dec 2021to 18 Jan 2023
Phase
Interventional
Are there results?
Yes, posted in the registrySummary in the doctors' view

Key requirements

Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.

  • Ages 18 to 85 years
  • All sexes
  • No healthy volunteers
  • Adult, Older adult

Who may be able to join

  • Any patient diagnosed with Tourette Syndrome > 18 years of age with moderate tic severity.
  • Participants will be allowed to continue oral medications that they are taking for TS concurrently but will not be allowed to change their concurrent medication regimen throughout the duration of the study

Who cannot join

  • Presence of metallic objects or neurostimulators in the brain
  • Pregnancy
  • History of active seizures or epilepsy
  • Contraindications to receiving fMRI, such as claustrophobia
  • Inability to participate in CBIT due to other underlying cognitive or medical condition

Trial locations and contacts

1 site in 1 country.

United States1 site
  • Fixel Neurologic Institute

    Gainesville, Florida, 32608

Other trials in United States

About this study

Official title: STOP-TIC Study: Strengthening Tourette Treatment OPtions Using TMS to Improve CBIT

The investigator will apply 16 sessions of repetitive transcranial magnetic stimulation (rTMS) over 4 consecutive days for adult patients suffering from Tourette's Syndrome. Following rTMS, patients will undergo 8 sessions of Comprehensive Behavioral Intervention for Tics (CBIT) over 10 weeks via telemedicine. Clinical improvement in tic severity will be the primary outcome measure. Secondary outcome measures including underlying physiological effects will be measured via functional magnetic resonance imaginge (fMRI), high-density electroencephalograhy (HD-EEG), and TMS.

Read the detailed description

Patients will be randomly assigned to active or sham stimulation, with 10 in each group, followed by 10 weeks of tele-CBIT. Patients will have primary and secondary outcome measures performed at four time points: Baseline (T0), following rTMS (T1), following CBIT (T2), and 1 month later (T3). The rTMS protocol will consist of 6 trains targeted to the supplementary motor area (SMA) lasting 5 minutes each (300 pulses per train) with an intertrain interval of 1 minute for a total duration of 35 minutes (1800 pulses). Patients will receive 4 sessions each day on 4 consecutive days for a total of 16 sessions. Daily duration of this study protocol should last approximately 170 minutes including a 10 minute break in between each session. The sham protocol will be the same except a sham coil will be used instead of an active coil. Following rTMS, patients will undergo 10 weeks of tele-CBIT.

The following outcome measures will be collected at four timepoints (T0, T1, T2, and T3):

Tics will be examined with the standardized Yale Global Tic Severity Scale (YGTSS) and the modified Rush Videotape Tic Rating Scale (mRVTRS), and co-morbid symptoms with the Beck Depression Inventory (BDI), Beck Anxiety Inventory (BAI), Yale-Brown Obsessive Compulsive Scale (Y-BOCS) and Adult ADHD Self-Reports Scale (ASRS). Quality of life will be assessed with the Gilles de la Tourette Syndrome - Quality of Life scale (GTS-QOL).

TMS measures: A single-pulse of TMS will be targeted over the motor cortex to generate a motor evoked potential (MEP), which can be captured on EMG. The rest of the EMG will be analyzed to assess the time between the TMS pulse and the MEP (also known as the latency) and the amount of time muscle activity remains silent following the MEP (also known as the cortical silent period). In a paired-pulse TMS paradigm, a subthreshold pulse will be provided followed by an interstimulus interval and then subsequent delivery of a suprathreshold pulse. When the interstimulus interval is short (1-4 msec), the ratio of MEP amplitudes produced by these two pulses is known as short interval intracortical inhibition (SICI).

fMRI measure: Functional MRI will be used to record Blood Oxygen Level Dependent (BOLD) activity changes in patients at rest.

HD-EEG measure: A 128-electrode cap will be used to assess electrical activity in patients at rest and actively trying to suppress their tics.

Being tested
Transcranial Magnetic Stimulation, Comprehensive behavioral intervention
Keywords
TMS, Transcranial magnetic stimulation, CBIT, Comprehensive Behavioral Intervention for Tics, Tourette Syndrome
Medical subject headings
Tourette Syndrome

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

  • Transcranial Magnetic StimulationDevice

    rTMS will be delivered using a MagStim Super Rapid2 TMS therapy system.

  • Comprehensive behavioral interventionBehavioural

    Patients will receive CBIT with a therapist trained in CBIT. Each session will last about an hour and will be delivered remotely via telemedicine. Sessions will be tailed to the patient's individual needs.

Study groups in NCT04795908
Study groupRoleWhat they receive
Active rTMS GroupExperimentalPatients will be seated in a comfortable reclined chair. The neurostimulation protocol will include 1-Hz rTMS over the bilateral SMA at 110% resting motor threshold (RMT). The SMA will be identified as 4 cm anterior to the vertex (Cz in standard 10-20 EEG setup). Each session will consist of 6 trains lasting 5 minutes each (300 pulses per train) with an intertrain interval of 1 minute for a total duration of 35 minutes (1800 pulses). Patients will receive 4 sessions each day on 4 consecutive days for a total of 16 sessions. Daily duration of this study protocol should last approximately 170 minutes including a 10 minute break in between each session.
Receives: Device: Transcranial Magnetic Stimulation; Behavioral: Comprehensive behavioral intervention

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. Tic Severity

    Tic severity will be measured with YGTSS. YGTSS is a clinician-rated scale used to assess tic severity, scored out of 100 where a higher score indicates greater tic frequency and severity. It includes a checklist of motor and vocal tics followed by an assessment of the number, frequency, intensity, complexity, and inference of motor tics and phonic tics - scored separately. Each of these dimensions is scored on a 0 to 5 scale. The YGTSS provides three tic severity scores: Total Motor (0 to 25); Total Phonic (0 to 25) and the combined Total Tic Severity Score (0 to 50), as well as a separate Impairment dimension scored from 0 to 50.

    Measured: Through study completion, an average of 3 months

Secondary outcomes (7)
  1. Modified Rush Videotape Tic Rating Scale (mRVTRS)

    This is a tool used by an objective examiner to quantify the severity of a patient's tics by rating the number of body areas affected, motor tic frequency, phonic tic frequency, motor tic severity, and phonic tic severity, each on a 0 through 4 score by watching a video of the patient. Scored out of 20, where a higher score indicates greater tic severity.

    Measured: Through study completion, an average of 3 months

  2. Beck Depression Inventory (BDI)

    This is a 21-question survey evaluating depression in patients on a 0 to 3 scale. Scored out of 63 points, where a higher score indicates a higher level of depression.

    Measured: Through study completion, an average of 3 months

  3. Beck Anxiety Inventory (BAI)

    This is a 21-question survey evaluation anxiety in patients on a 0 to 3 scale. Out of 63 points, where a higher score indicates a higher level of anxiety.

    Measured: Through study completion, an average of 3 months

  4. Yale-Brown Obsessive Compulsive Scale (Y-BOCS)

    This is a 10 question survey which rates components of obsessive thoughts or compulsive behavior and each question is rated on a 0 through 4 scale. Scored out of 40, where a higher score indicates higher levels of obsessive-compulsive tendencies.

    Measured: Through study completion, an average of 3 months

  5. Adult ADHD Self-Report Scale (ASRS)

    This is an 18-question survey which asks patients to rate levels of attention, concentration, and organization as applied to daily tasks. Each question was assigned to a Likert scale of 1-5, where a higher number indicates a higher severity of that aspect of attention deficit. Individual responses were then summed together to obtain a Total Score ranging from 18-90, where a higher score indicates a higher impact of ADHD symptoms on daily functioning.

    Measured: Through study completion, an average of 3 months

  6. Gilles de la Tourette Syndrome - Quality of Life Scale (GTS-QOL)

    This is a 27-question survey that asks patients to rate how their tics and abnormal movements affect their quality of life. When answers are converted to a Likert value of 1 through 5, the survey is scored out of 135, with higher scores indicating worse quality of life.

    Measured: Through study completion, an average of 3 months

  7. High-Density EEG

    High-Density EEG was measured while patients either allowed tics to come or actively suppressed tics

    Measured: 12 weeks

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted12 Mar 2021
  2. Study start17 Dec 2021
  3. Primary completion18 Jan 2023
  4. Study completion18 Jan 2023

Resources

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design
Study type
Interventional
Phase
Phase N/A
Primary purpose
Treatment
Allocation
Not applicable
Intervention model
Single group
Masking
None (open label)
Enrolment
3 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT04795908
Sponsor's protocol ID
IRB202002701-A
Other IDs
OCR40702
Acronym
STOP-TIC
Status last verified
Dec 2023
First submitted
9 Mar 2021
Last updated
30 Apr 2024
Data monitoring committee
Yes
FDA-regulated drug
No
FDA-regulated device
Yes
Individual data sharing
No

Questions about this trial

What is this clinical trial studying?

A study testing Transcranial Magnetic Stimulation and Comprehensive behavioral intervention in people with Tourette Syndrome, run by University of Florida at 1 site in United States.

The full registered description is in the About this study section and the official record.

Who may be eligible to take part?

The sponsor lists 2 inclusion and 5 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.

Is this clinical trial currently recruiting?

The record says: finished, as of the sponsor's last update on 30 Apr 2024. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 1 site in United States. Whether a site is taking part right now should be confirmed with that site. See every site.

What are the possible benefits and risks?

They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.

Are results available for this study?

Yes. Results are posted in the registry (first posted 12 Jan 2024). A summary is in the For doctors view, and the full results are on ClinicalTrials.gov.

How can a doctor refer a patient or contact the research team?

The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

Tic Severity (time frame: Through study completion, an average of 3 months). It is what the study was designed to measure, not a finding.

Where can I read the original study information?
Does a listing mean the treatment is approved or proven to work?

No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.

How often is this information updated?

AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 30 Apr 2024.

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