Study of the Neurobiology of Tourette Syndrome and Related Disorders

OBJECTIVES: I. Investigate the pathobiology of Tourette syndrome and related disorders by measuring various compounds of interest in cerebrospinal fluid, plasma, and urine of patients with Tourette syndrome, obsessive compulsive disorder, and/or chronic tics.

II. Determine the pattern of familial aggregation of Tourette syndrome and obsessive compulsive disorder by systematic assessment of all first-degree family members of patients selected for cerebrospinal fluid studies.

III. Establish the neurochemical and neuropeptide profile associated with the range of expression of the putative Tourette gene expression in adult and adolescent patients.

Study Overview

Status

Completed

Detailed Description

PROTOCOL OUTLINE: All patients are screened with a complete physical and neurologic exam, and a semi-structured interview. Patients then receive a comprehensive assessment of systemic disease. Patients and first-degree family members also participate in a genetic study.

Any patient who experiences an unusual exacerbation of symptoms or significant side effects is removed from the study.

Study Type

Observational

Enrollment

200

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Locations

    • Connecticut
      • New Haven, Connecticut, United States, 06520-8035
        • Yale University School of Medicine

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Ages Eligible for Study

12 years to 45 years (ADULT, CHILD)

Accepts Healthy Volunteers

No

Genders Eligible for Study

All

Description

PROTOCOL ENTRY CRITERIA:

--Disease Characteristics--

Diagnostic and Statistical Manual of Mental Disorders IV lifetime diagnosis of 1 or more of the following:

  • Tourette syndrome (TS)
  • Obsessive compulsive disorder
  • Chronic tics

Severely affected adolescents with a score of 3 or greater on the TS-Clinical Global Impression Scale eligible

--Prior/Concurrent Therapy--

At least 1 month since any medication

--Patient Characteristics--

Other:

  • In good physical health
  • No alcohol or substance abuse
  • No Intelligence Quotient below 80
  • Negative pregnancy test required of fertile women

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Publications and helpful links

The person responsible for entering information about the study voluntarily provides these publications. These may be about anything related to the study.

General Publications

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start

December 1, 1988

Study Registration Dates

First Submitted

October 18, 1999

First Submitted That Met QC Criteria

October 18, 1999

First Posted (Estimate)

October 19, 1999

Study Record Updates

Last Update Posted (Estimate)

June 24, 2005

Last Update Submitted That Met QC Criteria

June 23, 2005

Last Verified

January 1, 2004

More Information

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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