Proof of Concept Study of an Oral Orthotic to Reduce Tic Severity in Chronic Tic Disorder and Tourette Syndrome



Status:Recruiting
Conditions:Neurology, Psychiatric, Psychiatric
Therapuetic Areas:Neurology, Psychiatry / Psychology
Healthy:No
Age Range:7 - 25
Updated:6/21/2018
Start Date:March 2014
End Date:June 2019
Contact:Jennifer S Schild, BS
Email:jss3003@med.cornell.edu
Phone:2127465930

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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).

The study is a 2 group, 2 week randomized controlled feasibility trial of an active vs sham
oral orthotic to reduce tic severity in children and adolescents ages 7-25 years. Responders
to acute phase treatment will be followed for 10 additional week (12 weeks total) to assess
intervention durability, safety and acceptability. Non-responders to the sham orthotic will
be provided active treatment at the end of the 2 week acute phase. We aim to assess and
enroll 24 participants; twelve participants will receive an orthotic adjusted to the
appropriate therapeutic height, and twelve participants will receive an identical sham
orthotic, but not adjusted to the recommended height for the given participant.

Inclusion Criteria:

- Age 7-25 inclusive.

- Presence of motor and/or vocal tics for at least 12 months.

- Tics are of at least moderate clinical severity as evidenced by a Yale Global Tic
Severity score of 14 or higher for motor or vocal tics only and 22 or higher for
Tourette syndrome and present during the baseline assessment.

- IQ estimate of 70 or higher

- Comorbid disorder (e.g., ADHD, OCD, ODD) will be allowed provided that the tic
symptoms are of primary concern to parents and comorbid symptoms are not of sufficient
severity to require immediate treatment other than that provided by the current study.

- Pre-existing stable medication (see protocol for details), tic or otherwise, will also
be allowed provided the family agrees to refrain from med changes over the course of
the acute phase of the study

- Sufficient command of the English language to participate in informed consent and
assessment procedures.

- Agree for videotaping of study procedures

- Clearance by treating dentist: Certification of good dental health provided by the
subjects current dentist prior to enrollment in the study

Exclusion Criteria:

- Major psychiatric disorder at screening that would preclude full participation in
study procedures including psychosis, mania, depression, untreated combined type ADHD,
autism and pervasive developmental disorders.

- Medication changes are planned during the acute and follow-up phase of treatment.

- Other dental health problems that might interfere with the assessment, installation,
or wearing of orthotic device.

- Does not consent to being videotaped
We found this trial at
1
site
New York, New York 10021
Phone: 212-746-5930
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New York, NY
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