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Trial · NCT03682978

Registered outcomes30

Each outcome the trial registered, primary first, in ClinicalTrials.gov's words.

ListOutcomeTime frameDescription
PrimaryEffect of Arbaclofen vs. placebo on social functionWeek 0 + Week 16
Vineland-3 (socialization domain): The Vineland Adaptive Behavior Scales, Third Edition is designed to assess the personal and social functioning of handicapped and non-handicapped persons. It is a gold standard for the assessment of adaptive functioning. The Socialization domain is one of the 4 adaptive domains assessed by the comprehensive interview form. The other 3 adaptive domains are communication, daily living skills and motor skills. The Socialization domain has 3 subdomains: interpersonal relations, play and leisure and coping skills.
SecondaryEffect of Arbaclofen vs. placebo on measures of global functionWeek 2 + Week 4 + Week 6 + Week 8 + Week 12 + Week 16 + Week 18CGI-I: Clinical Global Impression - Improvement Scale is used to determine the patient's improvement in response to treatment.
SecondaryEffect of Arbaclofen vs. placebo on measures of global functionWeek 0 + Week 2 + Week 4 + Week 6 + Week 8 + Week 12 + Week 16 + Week 18CGI-S: The Clinical Global Impression - Severity Scale is used to assess the impairment of neurobehavioral function in study subjects.
SecondaryEffect of Arbaclofen vs. placebo on other adaptive domainsWeek 0 + Week 16Vineland-3 (other adaptive domains): The Vineland Adaptive Behavior Scales, Third Edition, other adaptive domains: communication, daily living skills and motor skills.
SecondaryEffect of Arbaclofen on measures of social abilities and responsivenessWeek -3
ADOS-2: The Autism Diagnostic Observation Schedule, Version 2, will be used to assess autistic symptomatology.The ADOS-2 is a standardized protocol for the observation of social and communicative behaviour in children, adolescents, and adults who are suspected of having an ASD.
SecondaryEffect of Arbaclofen on measures of social abilities and responsiveness through BOSCCWeek 0 + Week 16
BOSCC: The Brief Observation of Social Communication Change will be used to to sensitively measure change of core autistic symptoms by observation of a semi-structured social interaction between a child and an examiner.
SecondaryEffect of Arbaclofen on measures of social abilities and responsiveness through SRS-2-PWeek 0 + Week 16SRS-2-P: The Social Responsiveness Scale (parent version) measures the severity of social impairment in ASD.
SecondaryEffect of Arbaclofen on measures of social abilities and responsiveness through SRS-2-TWeek 0 + Week 16SRS-2-T: The Social Responsiveness Scale (teacher version) measures the severity of social impairment in ASD.
SecondaryEffect of Arbaclofen on measures of problem behavioursWeek 0 + Week 4 + Week 8 + Week 12 + Week 16
ABC-C: This is the community version of the original residential version of the Aberrant Behaviour Checklist. It is designed to objectively identify five behaviour subscales through observation by the primary caregiver: irritability, lethargy, stereotypy, hyperactivity, and inappropriate speech.
SecondaryEffect of Arbaclofen on measures of problem behavioursWeek 0 + Week 16CBCL: Child Behaviour Checklist is a caregiver report form identifying problem behaviour in children.
SecondaryEffect of Arbaclofen on other measures of core symptomsWeek 0 + Week 4 + Week 8 + Week 12 + Week 16AIM: The Autism Impact Measure is designed to measure change in the core symptoms of autism.
SecondarySafety and tolerability of Arbaclofen in children and adolescents with ASD as assessed with the SMURFWeek 0 + Week 2 + Week 4 + Week 6 + Week 8 + Week 12 + Week 16 + Week 18SMURF: Safety Monitoring Uniform Research Form.
SecondarySafety and tolerability of Arbaclofen in children and adolescents with ASD as assessed with the ESS-CHADWeek 0 + Week 2 + Week 4 + Week 6 + Week 8 + Week 12 + Week 16 + Week 18ESS-CHAD: The Epworth Sleepiness Scale for Children and Adolescents will be employed to evaluate sedation.
SecondarySafety and tolerability of Arbaclofen in children and adolescents with ASD as assessed with the C-SSRSWeek 0 + Week 2 + Week 4 + Week 6 + Week 8 + Week 12 + Week 16 + Week 18C-SSRS: The Columbia Suicide Severity Rating Scale is used to measure suicidality.
SecondarySafety and tolerability of Arbaclofen in children and adolescents with ASD as assessed with a pulse rate measurementWeek -3 + Week 0 + Week 2 + Week 4 + Week 6 + Week 8 + Week 12 + Week 16 + Week 18Vital signs: pulse
SecondarySafety and tolerability of Arbaclofen in children and adolescents with ASD as assessed with a body temperature measurementWeek -3 + Week 0 + Week 2 + Week 4 + Week 6 + Week 8 + Week 12 + Week 16 + Week 18Vital signs: body temperature
SecondarySafety and tolerability of Arbaclofen in children and adolescents with ASD as assessed with a blood pressure measurementWeek -3 + Week 0 + Week 2 + Week 4 + Week 6 + Week 8 + Week 12 + Week 16 + Week 18Vital signs: blood pressure
SecondarySafety and tolerability of Arbaclofen in children and adolescents with ASD as assessed by measuring weightWeek -3 + Week 0 + Week 2 + Week 4 + Week 6 + Week 8 + Week 12 + Week 16 + Week 18Weight: Weight (in kg) will be assessed with all outer wear and shoes removed.
SecondarySafety and tolerability of Arbaclofen in children and adolescents with ASD as assessed by measuring heightWeek -3 + Week 0 + Week 2 + Week 4 + Week 6 + Week 8 + Week 12 + Week 16 + Week 18Height: Height (in cm) will be assessed with all outer wear and shoes removed.
SecondarySafety and tolerability of Arbaclofen in children and adolescents with ASD as assessed with the Tanner scaleWeek -3 + Week 0 + Week 2 + Week 4 + Week 6 + Week 8 + Week 12 + Week 16 + Week 18Tanner stage

Source ClinicalTrials.govtrials-2026-11-12-0.5.0

Sources 3

  • ClinicalTrials.gov's posted results, through CTTI's AACTFreely available. Acknowledgement requested
  • ClinicalTrials.govNo license stated
  • NIH RePORTER's clinical studies and project filesPublic domain
Each source's terms
  • ClinicalTrials.gov's posted results, through CTTI's AACTClinicalTrials.gov data via Aggregate Analysis of ClinicalTrials.gov (AACT), CTTI. CTTI makes its materials freely available and requests acknowledgement. https://aact.ctti-clinicaltrials.org/documentation/299
  • ClinicalTrials.govnone stated
  • NIH RePORTER's clinical studies and project filesPublic domain (NIH RePORTER)

ClinicalTrials.gov's data carry an international copyright outside the United States: https://clinicaltrials.gov/about-site/terms-conditions.

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