Sponsor study identifier
interventional
21
1 country
1
Study Start
March 2014
Date type not reportedThis date has not been verified as actual or estimated.
Primary Completion
May 2021
Actual (reported)Study Completion
May 2021
Actual (reported)The purpose of this study is to assess the feasibility of a trial on an oral orthotic for reducing tic severity in children ages 7-25 years with Tourette syndrome (TS) or Chronic Tic Disorder (CTD).
Registry-reported information. Elapsed time and enrollment totals alone do not measure study progress or recruitment pace.
May 2021
Actual (reported)Click on a node to explore related trials.
Some registry-reported names shown below are not yet linked in this graph.
Dates and qualifiers reported by the registry. Estimated dates do not confirm that a milestone has occurred.
February 18, 2014
Actual (reported)February 20, 2014
Actual (reported)March 2014
Date type not reportedThis date has not been verified as actual or estimated.
May 2021
Actual (reported)May 2021
Actual (reported)May 24, 2022
Actual (reported)Change in Global Severity of Tics and Clinical Condition as Measured by YGTSS
The primary clinical outcome measures included the Yale Global Tic Severity Scale (YGTSS). The YGTSS is a semi structured interview designed to elicit information regarding the character \& anatomical distribution of tics observed during the course of 1 week interval, prior to clinical assessment. Following completion of the interview \& construction of a "tic inventory", clinicians rate severity of motor and photic tics along with 5 separate dimensions (frequency, intensity, number, complexity, interference). The YGTSS is comprised of a list of motor and vocal tics \& the participant endorses which tics are currently present. Motor and vocal tics are then separately rated for Number, Frequency, Intensity, Complexity, Interference \& Impairment, each on a 6 point likert scale ranging from 0 (none) to 5 (Severe).This results in a range of 0-25 for motor tics \& 0-25 for vocal tics, for a total score range of 0-50. A score of 0 indicating a lack of tics \& 50 represent the most severe tics.
Baseline Visit, Week 2 Visit
Change in Number, Frequency, and Intensity of Motor and Vocal Tics as Measured by the Clinical Global Impressions Scale - Severity
Baseline Visit, Week 2 Visit
Active treatment group will receive an occlusal splint adjusted to the appropriate therapeutic height (based on an initial fitting). Participants will be instructed to wear the orthotic 24/7 (or as close as possible) for the duration of the study.
Control participants will receive an identical sham splint to the active condition, but not adjusted to the recommended height for the given participant. Participants will be asked to wear the orthotic 24/7 for the duration of the study.
Active treatment group will receive an occlusal splint adjusted to the appropriate therapeutic height (based on an initial fitting). Participants will be instructed to wear the orthotic 24/7 (or as close as possible) for the duration of the study.
Weill Cornell Medical College
New York, New York, 10065, United States
Shannon Bennett, PhD
Weill Medical College of Cornell University
21 participants (actual enrollment reported by the registry).
First Submitted
February 18, 2014
First Posted
February 20, 2014
Study Start
March 2014
Date type not reportedThis date has not been verified as actual or estimated.
Transcutaneous Auricular Vagus Nerve Stimulation for Chronic Tic Disorders/Tourette's Syndrome in Children and Adolescents
After two weeks, this treatment group will receive an occlusal splint adjusted to the appropriate therapeutic height (based on an initial fitting). Participants will be instructed to wear the orthotic 24/7 (or as close as possible) for the duration of the study.
Registry-reported names are shown in full. Names without a link have not yet been matched to a Syfrah profile.
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Primary Completion
May 2021
Actual (reported)Study Completion
May 2021
Actual (reported)Last Updated
May 24, 2022
Results First Posted
May 24, 2022
Record last verified: 2022-04
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Source: ClinicalTrials.gov.
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