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Open Label Extension Study of STX209 (Arbaclofen) in Autism Spectrum Disorders

An Open-Label Extension Study to Evaluate the Safety, Tolerability, and Pharmacokinetics of STX209 (Arbaclofen) in Subjects With Autism Spectrum Disorders

Status
Terminated
Phases
Phase 3
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT01706523
Enrollment
165
Registered
2012-10-15
Start date
2011-11-30
Completion date
2013-07-31
Last updated
2013-07-31

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Autism Spectrum Disorders

Keywords

Autism Spectrum Disorders, Autism, Asperger, Pervasive Developmental Disorder - Not otherwise specified

Brief summary

This is an open-label extension protocol that will provide necessary data on the safety, tolerability, pharmacokinetics and efficacy of STX209 among subjects with ASD.

Detailed description

This is an open label extension study enrolling by invitation only to those subjects that have completed Seaside protocols 209AS208 and 22007. Protocol 209AS208, A Randomized,Double-Blind, Placebo-Controlled, Study of the Efficacy, Safety, and Tolerability of STX209 (Arbaclofen) Administered for the Treatment of Social Withdrawal in Subjects with Autism Spectrum Disorders. Protocol 22007, An Open Label Extension Study to Evaluate the Safety, Tolerability and Pharmacokinetics of STX209 in Subjects with Autism Spectrum Disorder. This open-label extension will provide data on the following: 1. Evaluate the safety and tolerability of long term use of STX209 (Arbaclofen) 2. Provide supporting pharmacokinetic analyses 3. Assess long term efficacy on social behaviors in subjects with ASD.

Interventions

DRUGSTX209 (arbaclofen)

Long-term, daily, orally-administered STX209

Sponsors

Seaside Therapeutics, Inc.
Lead SponsorINDUSTRY

Study design

Allocation
NA
Intervention model
SINGLE_GROUP
Primary purpose
TREATMENT
Masking
NONE

Eligibility

Sex/Gender
ALL
Age
5 Years to 21 Years
Healthy volunteers
No

Inclusion criteria

* Subject completed study 22007 or 209AS208, and showed he can adequately follow the protocol, and with adequate medical justification to enter this study. * Parent or other legally-authorized representative or caregiver is willing and able to perform all protocol-specified functions. * Treatment with no more than 2 psychoactive medications * Subjects with a history of seizure disorder must be adequately well-controlled, as specified in the study protocol * For female subjects, negative pregnancy test

Exclusion criteria

* Comorbid conditions that might interfere with the conduct of the study or confound the interpretation of the study data, or endanger the subject. * Current use of illicit drugs or alcohol abuse. * Subjects with a serious adverse event or other adverse event in study 22007 or 209AS208 that was related to STX209, and that endangers the subject, in the opinion of the investigator * Current use of another investigational drug, or of vigabatrin, tiagabine, or riluzole

Design outcomes

Primary

MeasureTime frameDescription
Safety and tolerability of STX209100 weeksSpontaneously-reported adverse events, physical examination, and clinical laboratory assessments

Secondary

MeasureTime frameDescription
Aberrant Behavior Checklist100 weeksOpen-label assessment of change from baseline on the ABC

Countries

United States

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026