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Completed Phase 2 Interventional

A Study of RO4917523 in Pediatric Patients With Fragile X Syndrome

ClinicalTrials.gov ID: NCT01750957

Public ClinicalTrials.gov record NCT01750957. 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 Nov 9, 2026, 9:07 PM EST

All trial information on this site comes from the official ClinicalTrials.gov public API (clinicaltrials.gov/api/v2), run by the U.S. National Library of Medicine. We only display that public information; we do not add opinions, endorsements, or any other intent. Always review the official ClinicalTrials.gov record for the latest information.

Official title

A Randomized, Parallel Group, Double-Blind, Placebo-Controlled, Safety and Exploratory Efficacy and Pharmacokinetic, Study of RO4917523 in Pediatric Patients With Fragile X Syndrome

Brief summary

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

This randomized, double-blind, placebo-controlled, parallel-arm study will evaluate the safety and exploratory efficacy and pharmacokinetics of RO4917523 in pediatric patients with fragile X syndrome. Patients will be randomized to receive one of 2 dose levels of RO4917523 or placebo orally daily for 12 weeks.

Study identification

NCT ID
NCT01750957
Recruitment status
Completed
Study type
Interventional
Phase
Phase 2
Lead sponsor
Hoffmann-La Roche
Industry
Enrollment
47 participants

Conditions and interventions

Interventions

Drug

Eligibility (public fields only)

Age range
5 Years to 13 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
Feb 2013 (Type not available)
Primary completion
Apr 2014 (Actual)
Completion
Apr 2014 (Actual)
Last update posted
Aug 11, 2016

2013 – 2014

United States locations

U.S. sites
20
U.S. states
17
U.S. cities
20
Facility City State ZIP Site status
Not listed Long Beach California 90806 —
Not listed Sacramento California 95817 —
Not listed San Diego California 92108 —
Not listed Aurora Colorado 80045 —
Not listed Washington D.C. District of Columbia 20020 —
Not listed Decatur Georgia 30033 —
Not listed Chicago Illinois 60612 —
Not listed Iowa City Iowa 52242 —
Not listed Louisville Kentucky 40202 —
Not listed Baltimore Maryland 21205 —
Not listed Worcester Massachusetts 01605 —
Not listed Omaha Nebraska 68198-4160 —
Not listed New York New York 10029 —
Not listed Cincinnati Ohio 45229 —
Not listed Media Pennsylvania 19063 —
Not listed Greenwood South Carolina 29646 —
Not listed Nashville Tennessee 37212 —
Not listed Houston Texas 77030 —
Not listed San Antonio Texas 78258 —
Not listed Seattle Washington 98145 —

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 NCT01750957, 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 Aug 11, 2016 · Synced Nov 9, 2026

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Open the official record

The complete public registry record, listed eligibility criteria, and available contact information for NCT01750957 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →