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A Pilot Study of Riluzole Versus Placebo in the Treatment of Children and Adolescents With ASD

Information source: Anagnostou, Evdokia, M.D.
ClinicalTrials.gov processed this data on August 23, 2015
Link to the current ClinicalTrials.gov record.

Condition(s) targeted: Autism Spectrum Disorders

Intervention: Riluzole (Drug)

Phase: Phase 2

Status: Recruiting

Sponsored by: Evdokia Anagnostou

Official(s) and/or principal investigator(s):
Evdokia Anagnostou, MD, Principal Investigator, Affiliation: Holland Bloorview Kids Rehabilitation Hospital
Peter Szatmari, MD, Principal Investigator, Affiliation: McMaster University
Robert Nicolson, MD, Principal Investigator, Affiliation: University of Western Ontario, Canada
Paul Arnold, MD, Principal Investigator, Affiliation: The Hospital for Sick Children
Kevin Thorpe, MMath, Principal Investigator, Affiliation: Applied Health Research Centre, St Michael's Hospital ; Dalla Lana School of Public Health, University of Toronto
Sharon Smile, MD, Principal Investigator, Affiliation: Holland Bloorview Kids Rehabilitation Hospital
Jessica Brian, PhD, Principal Investigator, Affiliation: Holland Bloorview Kids Rehabilitation Hospital
Olabode Akintan, MD, Principal Investigator, Affiliation: McMaster University; Offord Centre for Child Studies
Terry Bennett, MD, Principal Investigator, Affiliation: McMaster University; Offord Centre for Child Studies
Olaf Kraus de Camargo, MD, Principal Investigator, Affiliation: McMaster University: Offord Centre for Child Studies

Overall contact:
Evdokia Anagnostou, MD, Email: eanagnostou@hollandbloorview.ca

Summary

This study will examine the potential efficacy and safety of riluzole for core and associated symptom domains of autism and will explore biological markers of safety and treatment response.

Clinical Details

Official title: A Pilot Study of Riluzole vs. Placebo in the Treatment of Children and Adolescents With Autism Spectrum ASD (Rilise)

Study design: Allocation: Randomized, Endpoint Classification: Safety/Efficacy Study, Intervention Model: Parallel Assignment, Masking: Double Blind (Subject, Caregiver, Investigator, Outcomes Assessor), Primary Purpose: Treatment

Primary outcome:

To examine the effect of riluzole vs. placebo on measures of social function

To examine the effect of riluzole vs. placebo on measures of repetitive behaviors

To examine the safety and tolerability of riluzole in children and adolescents with ASD

Detailed description: There are no pharmacologic treatments available for social function deficits in individuals with Autism Spectrum Disorders (ASD). The data for pharmacologic treatment of repetitive behaviors in this disorder has also become difficult to interpret given that the last two large multisite trials of selective serotonin reuptake inhibitors (SSRIs) in autism are reported to be negative for the treatment of repetitive behaviors. Only the associated symptom of irritability has 2 drugs with FDA indications whereas no systematic data exists on the pharmacologic treatment of anxiety in ASD, and response to rates to stimulants for hyperactivity are lower than what is seen in attention deficit hyperactivity disorder (ADHD). In addition, there are no biological markers of treatment response identified in this population at this point. This study will examine the potential efficacy and safety of riluzole for core and associated symptom domains of autism and will explore biological markers of safety and treatment response.

Eligibility

Minimum age: 6 Years. Maximum age: 17 Years. Gender(s): Both.

Criteria:

Inclusion Criteria: 1. Male or female outpatients 6-17 years of age inclusive, with a mental age equivalent ≥ 18 months at Screening visit. 2. Meet DSM-IV criteria for an ASD. 3. Have a Clinician's Global Impression-Severity (CGI-S) score ≥ 4 (moderately ill) at Screening. 4. If already receiving stable interventions must meet the following criteria: 1. If already receiving stable concomitant medications affecting behavior, must be on a stable dose during the preceding 1 month prior to Screening (with the exception of fluoxetine, where a period of 6 weeks is needed), and will not electively initiate new or modify ongoing medications for study duration. 2. If already receiving stable non-pharmacological educational, behavioral, and/or dietary interventions, have continuous participation during the preceding 3 months prior to Screening, and not electively initiate new or modify ongoing interventions for the duration of the study. 5. Have normal physical examination and laboratory test results at Screening. If abnormal, the finding(s) must be deemed clinically insignificant by the Investigator. 6. Ability to complete assessments- fluency in English (parent; patient, if verbal). 7. Consent to participate in POND and commitment to completing as many stages as possible of the phenotyping measures (Stages 1, 2 and 3), genomics component, and interest in being imaged through POND. 8. Ability to obtain written informed consent from the participant, if developmentally appropriate. If a participant does not have the capacity to consent, ability to obtain assent (if developmentally appropriate), as well as written informed consent from their parent(s)/legal guardian. Exclusion Criteria: 1. Pregnant female patients; sexually active female patients on inadequate birth control. 2. Patients with a serious medical condition that, based on Investigator judgment, might interfere with the conduct of the study, confound interpretation of the study results, or endanger their own well-being. Patients with evidence or history of malignancy or any significant hematological, endocrine, cardiovascular (including any rhythm disorder), respiratory, renal, hepatic, or gastrointestinal disease, not including mild common pediatric diseases in these areas that are stable (e. g. mild asthma, constipation, etc.). 3. Patients with unstable epilepsy (i. e. seizures occurring within the last 6 months), or patients with epilepsy who are not on stable doses of antiepileptic medications (i. e. dose changes within the last 3 months). 4. Patients with hypersensitivity to riluzole or any components of its formulation. 5. Patients with one or more of the following: HIV, HBV, HCV, hemophilia (bleeding problems, recent nose and brain injuries), abnormal blood pressure (hypotension or hypertension), drug abuse, immunity disorder, major depressive episode or psychosis. 6. Patients unable to tolerate venipuncture procedures for blood sampling. 7. Patients receiving concomitant medications that specifically target the glutamate system (e. g. memantine, d-cycloserine), or decrease the elimination of riluzole (e. g. theophylline, quinolones), less than 30 days prior to the screening visit. 8. Patients actively enrolled in another intervention study. 9. Patients who are unable to swallow pills. 10. Patients who have elevated liver enzymes ≥ 3 times the normal amount before the study begins.

Locations and Contacts

Evdokia Anagnostou, MD, Email: eanagnostou@hollandbloorview.ca

Offord Centre for Child Studies, Hamilton, Ontario L8S 4K1, Canada; Recruiting
Alessia Greco, MA, Phone: 905-521-2100, Ext: 74906, Email: algreco@mcmaster.ca
Terry Bennett, MD, Principal Investigator

Lawson Health Research Institute, London, Ontario N6A 5W9, Canada; Recruiting
Ahsan Ahmad, MD, Phone: (519) 685-8500, Ext: 74906, Email: ahsan.ahmad@lhsc.on.ca
Robert Nicolson, MD, Principal Investigator

Holland Bloorview Kids Rehabilitation Hospital, Toronto, Ontario M4G 1R8, Canada; Recruiting
Rianne Hastie Adams, MSW, RSW, Phone: 416-425-6220, Ext: 6515, Email: rhastieadams@hollandbloorview.ca
Evdokia Anagnostou, MD, Principal Investigator

Additional Information

Starting date: September 2013
Last updated: April 15, 2015

Page last updated: August 23, 2015

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