- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT00004393
Phase II Double Blind Placebo Controlled Trial of Risperidone in Tourette Syndrome
OBJECTIVES: I. Conduct a randomized, double blind, placebo controlled, parallel study of the atypical neuroleptic risperidone (RIS) in the treatment of children and adults with moderate to severe Tourette Syndrome.
II. Evaluate further the safety of RIS in this population.
Study Overview
Detailed Description
PROTOCOL OUTLINE: This is a randomized, double blind, placebo controlled study. Initially, all patients receive placebo capsules twice daily in a single blind fashion during the first 2 weeks of study.
Then, patients are randomized to receive either risperidone (RIS) or placebo for 8 weeks. The dose of RIS is increased weekly over the first 4 weeks of treatment, as tolerated.
Patients continue RIS for 4 additional weeks at the dose prescribed during week 4.
All patients receive diagnostic evaluations at the beginning and end of the 2 week initial single blind phase, and at the end of weeks 2, 4, 6, and 8 of the active treatment phase.
Study Type
Enrollment
Phase
- Phase 2
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
PROTOCOL ENTRY CRITERIA:
--Disease Characteristics--
DSM-IV diagnosis of Tourette Syndrome (TS)
Tic symptoms greater than 3 (moderate or worse) on the Global Clinical Impression Scale for TS
--Prior/Concurrent Therapy--
No concurrent use of other medications during study
A minimum of 4 weeks since prior use of other medications and 8 weeks for neuroleptics or fluoxetine
--Patient Characteristics--
Hepatic: No hepatic disease
Renal: No renal disease
Cardiovascular:
- No heart disease
- No hypertension
Pulmonary: No pulmonary disease
Other:
- Not pregnant
- IQ at least 70 required
- No other movement disorder allowed, such as tardive dyskinesia
- No major depression
- No pervasive developmental disorder
- No autism or psychotic disorder based on DSM-IV
- No alcohol or substance abuse
- No hypersensitivity to risperidone
- All subjects must be in good health
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: Randomized
- Interventional Model: Parallel Assignment
- Masking: Double
Collaborators and Investigators
Collaborators
Investigators
- Study Chair: Bradley S. Peterson, Yale University
Study record dates
Study Major Dates
Study Start
Study Completion
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Estimate)
Study Record Updates
Last Update Posted (Estimate)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
- Mental Disorders
- Pathologic Processes
- Brain Diseases
- Central Nervous System Diseases
- Nervous System Diseases
- Disease
- Genetic Diseases, Inborn
- Basal Ganglia Diseases
- Movement Disorders
- Neurodegenerative Diseases
- Heredodegenerative Disorders, Nervous System
- Neurodevelopmental Disorders
- Tic Disorders
- Syndrome
- Tourette Syndrome
- Physiological Effects of Drugs
- Neurotransmitter Agents
- Molecular Mechanisms of Pharmacological Action
- Central Nervous System Depressants
- Antipsychotic Agents
- Tranquilizing Agents
- Psychotropic Drugs
- Serotonin Agents
- Dopamine Agents
- Serotonin Antagonists
- Dopamine Antagonists
- Risperidone
Other Study ID Numbers
- 199/12217
- YALESM-7764
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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