ConductScience.org, home

Trial · NCT03682978

Arbaclofen in Children and Adolescents With ASD

NCT03682978, Phase 2, Completed, Celso Arango, MD, PhD

3 sourcestrials-2026-11-12-0.5.0

Download JSON
Cite this record

ConductScience Library. Arbaclofen in Children and Adolescents With ASD. Trials, record NCT03682978. Release trials-2026-11-12-0.5.0, 12 Nov 2026. https://conductscience.org/library/trials/NCT03682978

On this page

Trial

As registered on ClinicalTrials.gov, in the graph's capture of the registry.

Title
Arbaclofen in Children and Adolescents With ASD
NCT number
NCT03682978
Status
Completed
Phases
Phase 2
Enrollment
124 participants, actual
Lead sponsor
Celso Arango, MD, PhD
Conditions
Autism Spectrum Disorder
Interventions
Arbaclofen, Placebo
First posted
2018-09-25
Last updated
2023-02-08
Other registries' IDs
eudract:2018-000942-21

Source ClinicalTrials.gov

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.

Outcomes0

Each outcome the trial posted results for, in ClinicalTrials.gov's words.

None in this release.

Results by group0

Each measurement the trial posted, group by group, in the words and numbers it posted.

None in this release.

Participant flow0

How many started, completed or left each group, period by period.

None in this release.

Adverse events0

Each adverse event the trial posted, group by group: the participants affected out of those at risk.

None in this release.

Adverse event totals0

The totals the trial posted for each group.

None in this release.

Papers2

The papers the trial lists on ClinicalTrials.gov.

PMIDListed asSource
34504446DERIVEDPubMed
41631164DERIVEDPubMed

Grants0

The grants NIH RePORTER links to the trial, newest funded first: NIH's, and some of AHRQ's, CDC's, FDA's and VA's. Each shows its title, principal investigators, organization and funder in its newest year.

None in this release.

Trial comparisons0

Comparisons of the trial's two groups, calculated by ConductScience from the counts it posted.

None in this release.

Tests0

The ConductCognition tests this trial's registered outcomes name, as ScienceGraph matched them in trial-tests-2026-11-12-0.2.1.

None in this release.

Data dates

The day each source was copied for this release.

ClinicalTrials.gov
2026-11-12
ClinicalTrials.gov
Results, from AACT
2026-03-23
AACT
NIH grant links
2026-11-13
NIH RePORTER

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.

For software

Read this trial from software.

The record and each of its lists are JSON, twenty rows a page. No key.

GET https://conductscience.org/api/trials/v1/NCT03682978

GET https://conductscience.org/api/trials/v1/NCT03682978/registered?page=2