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Terminated Phase 2 Interventional

An Open Label Extension Study of STX209 in Subjects With Fragile X Syndrome

ClinicalTrials.gov ID: NCT01013480

Public ClinicalTrials.gov record NCT01013480. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.

ClinicalTrials.gov public records Last synced Oct 19, 2026, 1:19 PM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Official title

An Open Label Extension Study to Evaluate the Safety, Tolerability and Pharmacokinetics of STX209 in Subjects With Fragile X Syndrome

Brief summary

Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.

Study 22001, "A Double-Blind, Placebo-Controlled, Flexible-Dose Evaluation of the Efficacy, Safety, and Tolerability of STX209 in the Treatment of Irritability in Subjects with Fragile X Syndrome" currently is evaluating the efficacy of STX209 (R-baclofen) for management of typical problem behaviors, such as irritability and aggression, in subjects with FXS. This study (22002) will enter subjects who complete Study 22001 into a long-term, open-label study.The open-label extension protocol will provide necessary data on the long-term safety and tolerability of STX209 among subjects with FXS who receive treatment under conditions more closely reflective of their general medical care.

Study identification

NCT ID
NCT01013480
Recruitment status
Terminated
Study type
Interventional
Phase
Phase 2
Lead sponsor
Seaside Therapeutics, Inc.
Industry
Enrollment
45 participants

Conditions and interventions

Interventions

Drug

Eligibility (public fields only)

Age range
6 Years to 40 Years
Sex
All
Healthy volunteers
Healthy volunteers not accepted

This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.

Study timeline

Start date
Nov 2009 (Type not available)
Primary completion
Dec 2012 (Actual)
Completion
Dec 2012 (Actual)
Last update posted
Dec 20, 2012

2009 – 2012

United States locations

U.S. sites
9
U.S. states
8
U.S. cities
9
Facility City State ZIP Site status
University of California-Los Angeles Neuropsychiatric Institute Los Angeles California 90024 —
M.I.N.D. Institute Sacramento California 95817 —
Rush University Medical Center Chicago Illinois 60612 —
NYS Institute for Basic Research in Developmental Disabilities Staten Island New York 10314 —
University of North Carolina Neurosciences Hospital Chapel Hill North Carolina 27514 —
Suburban Research Associates Media Pennsylvania 19063 —
Vanderbilt Kennedy Center Nashville Tennessee 37203 —
Red Oaks Psychiatry Associates, PA Houston Texas 77090 —
Seattle Children's Hospital Seattle Washington 98101 —

Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT01013480, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
What this page does not do
No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
Where the data comes from
Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
Last refresh
Last update posted Dec 20, 2012 · Synced Oct 19, 2026

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Open the official record

The complete public registry record, listed eligibility criteria, and available contact information for NCT01013480 live on ClinicalTrials.gov.

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