A Study of RO4917838 in Patients With Sub-optimally Controlled Symptoms of Schizophrenia (NN25307)
Public ClinicalTrials.gov record NCT01235520. 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.
Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.
Official title
Phase III, Multi-center, Randomized, 12-week, Double-blind, Parallel-group, Placebo-controlled Study to Evaluate the Efficacy and Safety of RO4917838 in Patients With Sub-optimally Controlled Symptoms of Schizophrenia Treated With Antipsychotics Followed by a 40-week Double-blind, Parallel-group, Placebo-controlled Treatment Period.
Brief summary
Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.
This randomized, multi-center, double-blind, parallel-group, placebo-controlled study will evaluate the efficacy and safety of RO4917838 in patients with sub-optimally controlled symptoms of schizophrenia. Patients, on stable treatment with antipsychotics, will be randomized to receive daily oral doses of RO4917838 or matching placebo for 52 weeks, followed by an optional treatment extension for up to 3 years.
Study identification
- NCT ID
- NCT01235520
- Recruitment status
- Completed
- Study type
- Interventional
- Phase
- Phase 3
- Enrollment
- 595 participants
Conditions and interventions
Conditions
Eligibility (public fields only)
- Age range
- 18 Years and older
- 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
- Jan 2011 (Type not available)
- Primary completion
- Jul 2014 (Actual)
- Completion
- Jul 2014 (Actual)
- Last update posted
- Jun 2, 2015
2011 – 2014
United States locations
- U.S. sites
- 30
- U.S. states
- 16
- U.S. cities
- 27
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Not listed | Little Rock | Arkansas | 72201 | — |
| Not listed | Little Rock | Arkansas | 72211 | — |
| Not listed | Buena Park | California | 90620 | — |
| Not listed | Cerritos | California | 90703 | — |
| Not listed | Downey | California | 90241 | — |
| Not listed | La Palma | California | 90623 | — |
| Not listed | Pasadena | California | 91106 | — |
| Not listed | Pico Rivera | California | 90660 | — |
| Not listed | Miami | Florida | 33126 | — |
| Not listed | Miami | Florida | 33136 | — |
| Not listed | Marietta | Georgia | 30060 | — |
| Not listed | Oak Brook | Illinois | 60523 | — |
| Not listed | Iowa City | Iowa | 52242 | — |
| Not listed | Glen Burnie | Maryland | 21061 | — |
| Not listed | Las Vegas | Nevada | 89102 | — |
| Not listed | Toms River | New Jersey | 08775 | — |
| Not listed | Willingboro | New Jersey | 08046 | — |
| Not listed | Albuquerque | New Mexico | 87108 | — |
| Not listed | Brooklyn | New York | 11201 | — |
| Not listed | Fresh Meadows | New York | 11366 | — |
| Not listed | New York | New York | 10035 | — |
| Not listed | Raleigh | North Carolina | 27603 | — |
| Not listed | Cincinnati | Ohio | 45206 | — |
| Not listed | Philadelphia | Pennsylvania | 19131 | — |
| Not listed | Scranton | Pennsylvania | 18503 | — |
| Not listed | Bellaire | Texas | 77401 | — |
| Not listed | Dallas | Texas | 75231 | — |
| Not listed | Dallas | Texas | 75243 | — |
| Not listed | The Woodlands | Texas | 77381 | — |
| Not listed | Kirkland | Washington | 98033 | — |
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 91 non-U.S. sites.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT01235520, 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 Jun 2, 2015 · Synced Oct 27, 2026
Related: full search, browse by condition, browse by drug or therapy, browse by sponsor, browse by U.S. city.
Open the official record
The complete public registry record, listed eligibility criteria, and available contact information for NCT01235520 live on ClinicalTrials.gov.