- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT01395953
Double-blind Trial of Buspirone for the Treatment of Anxiety in Youth With Autism Spectrum Disorders
July 8, 2021 updated by: Gagan Joshi, Massachusetts General Hospital
The main objective of this exploratory 8 week pilot study is to evaluate the safety and efficacy of buspirone for the treatment of anxiety in youth (ages 6-17 years) with autism spectrum disorders.
The study results will be used to generate hypotheses for a larger randomized controlled clinical trial with explicit hypotheses and sufficient statistical power.
Study Overview
Status
Withdrawn
Conditions
Intervention / Treatment
Study Type
Interventional
Phase
- Phase 2
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
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Massachusetts
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Boston, Massachusetts, United States, 02114
- Massachusetts General Hospital
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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
4 years to 15 years (Child)
Accepts Healthy Volunteers
No
Genders Eligible for Study
All
Description
Inclusion Criteria:
- Male or female participants between 6 and 17 years of age.
- Fulfills diagnosis of autism spectrum disorders by meeting DSM-IV-TR PDD diagnostic criteria of autistic disorder, Asperger's disorder, or PDD-NOS as established by clinical diagnostic interview.
- Participants with a score of ≥60 on the Anxiety/Depression subscale of Child Behavior Checklist (CBCL) and CGI-Anxiety severity of ≥4.
- Subjects can be on psychotropic drugs if they have been on the medication for at least 4 weeks prior to initiating study treatment and if they are on a stable dose.
- Subjects with disruptive behavior disorders, mood, or psychosis will be allowed to participate in the study provided they do not meet any exclusionary criteria.
Exclusion Criteria:
- Mental retardation (I.Q. <70)
- DSM-IV-TR PDD diagnosis of Rett's disorder, and childhood disintegrative disorder.
- History of active seizure disorder (EEG suggestive of seizure activity and/or history of seizure in last 1 month).
- Subjects with a medical condition or treatment that will either jeopardize subject safety or affect the scientific merit of the study, including: pregnant or nursing females, organic brain disorders, uncorrected hypothyroidism or hyperthyroidism, clinically significant abnormalities on ECG (e.g. QT prolongation, arrhythmia), history of renal or hepatic impairment.
- Clinically unstable psychiatric conditions or judged to be at serious suicidal risk.
- History of substance abuse (except nicotine of caffeine) within past 3 months or urine drug screen positive for substances of abuse.
- Any other concomitant medication with primary central nervous system activity other than stable regimens for >2 weeks.
- A non-responder or history of intolerance to buspirone, after treatment at an adequate dose and duration as determined by the clinician.
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?
Design Details
- Primary Purpose: Treatment
- Allocation: Randomized
- Interventional Model: Parallel Assignment
- Masking: Double
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
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Placebo Comparator: Placebo
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Children with Autism Spectrum Disorders will receive buspirone or matched placebo.
Buspirone will be titrated to the maximum daily dose during the first four weeks of the trial (dose titration phase).
Week 4 onwards subjects will be maintained on maximum achieved dose till the end of the trial (dose maintenance phase).
During the titration phase total dose of buspirone will be increased at each visit by 5mg and on the 4th day after each visit by 5mg.
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Active Comparator: Buspirone
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Children with Autism Spectrum Disorders will receive buspirone or matched placebo.
Buspirone will be titrated to the maximum daily dose during the first four weeks of the trial (dose titration phase).
Week 4 onwards subjects will be maintained on maximum achieved dose till the end of the trial (dose maintenance phase).
During the titration phase total dose of buspirone will be increased at each visit by 5mg and on the 4th day after each visit by 5mg.
Other Names:
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What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Reduction in Pediatric Anxiety Rating Scale (PARS) Score
Time Frame: baseline to 8 weeks
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Primary outcome measure of efficacy will be assessed by reduction in anxiety symptom severity as measured by change from baseline.
Responders are defined as ≥30% reduction in the Pediatric Anxiety Rating Scale (PARS).
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baseline to 8 weeks
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Clinical Global Impression-Anxiety (CGI-Anxiety) Improvement Score
Time Frame: baseline to 8 weeks
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Primary outcome measure of efficacy will be assessed by reduction in anxiety symptom severity as measured by Clinical Global Impression-Anxiety (CGI-Anxiety).
Responders are defined as a score of ≤2 on the improvement subscale (i.e., "much" or "very much improved").
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baseline to 8 weeks
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Collaborators and Investigators
This is where you will find people and organizations involved with this study.
Sponsor
Investigators
- Principal Investigator: Gagan Joshi, M.D., Massachusetts General Hospital
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
November 1, 2011
Primary Completion (Actual)
July 1, 2013
Study Completion (Actual)
July 1, 2013
Study Registration Dates
First Submitted
July 14, 2011
First Submitted That Met QC Criteria
July 14, 2011
First Posted (Estimate)
July 18, 2011
Study Record Updates
Last Update Posted (Actual)
July 9, 2021
Last Update Submitted That Met QC Criteria
July 8, 2021
Last Verified
July 1, 2021
More Information
Terms related to this study
Keywords
Additional Relevant MeSH Terms
- Mental Disorders
- Pathologic Processes
- Neurodevelopmental Disorders
- Disease
- Autistic Disorder
- Autism Spectrum Disorder
- Child Development Disorders, Pervasive
- Physiological Effects of Drugs
- Neurotransmitter Agents
- Molecular Mechanisms of Pharmacological Action
- Central Nervous System Depressants
- Tranquilizing Agents
- Psychotropic Drugs
- Serotonin Agents
- Serotonin Receptor Agonists
- Anti-Anxiety Agents
- Buspirone
Other Study ID Numbers
- 2011-P-000703
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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