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Completed Phase 2 Interventional

A Study of RO4917523 in Patients With Fragile X Syndrome

ClinicalTrials.gov ID: NCT01517698

Public ClinicalTrials.gov record NCT01517698. 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 Jul 22, 2026, 10:29 AM EDT

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

Official title

A Randomized, Double-blind, 12-week, Parallel Group, Placebo-controlled Study of Efficacy and Safety of RO4917523 in Patients With Fragile X Syndrome.

Study identification

NCT ID
NCT01517698
Recruitment status
Completed
Study type
Interventional
Phase
Phase 2
Lead sponsor
Hoffmann-La Roche
Industry
Enrollment
185 participants

Conditions and interventions

Interventions

  • Placebo Drug
  • RO4917523 0.5 mg Drug
  • RO4917523 1.5 mg Drug

Drug

Eligibility (public fields only)

Age range
14 Years to 50 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
Apr 30, 2012
Primary completion
Mar 31, 2014
Completion
Mar 31, 2014
Last update posted
Jul 10, 2016

2012 – 2014

United States locations

U.S. sites
20
U.S. states
17
U.S. cities
20
Facility City State ZIP Site status
Not listed Phoenix Arizona 85006
Not listed Long Beach California 90806
Not listed Sacramento California 95817
Not listed Aurora Colorado 80045
Not listed Washington D.C. District of Columbia 20010
Not listed Decatur Georgia 30033
Not listed Chicago Illinois 60612
Not listed Iowa City Iowa 52242-1083
Not listed Louisville Kentucky 40202
Not listed Baltimore Maryland 21205
Not listed Worcester Massachusetts 01655
Not listed New York New York 10029
Not listed Staten Island New York 10314
Not listed Durham North Carolina 27710
Not listed Cincinnati Ohio 45229
Not listed Media Pennsylvania 19063
Not listed Nashville Tennessee 37203
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.

Non-U.S. locations

This page focuses on the U.S. directory. The official record also lists 31 non-U.S. sites.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT01517698, 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 Jul 10, 2016 · Synced Jul 22, 2026

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Open the official record

The complete protocol, eligibility criteria, and contact information for NCT01517698 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →