A Study to Investigate the Efficacy, Safety and Tolerability of Four Different Doses of BI 409306 Compared to Placebo Given for 12 Weeks in Patients With Schizophrenia on Stable Antipsychotic Treatment.
Public ClinicalTrials.gov record NCT02281773. 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
A Phase II Randomised, Double-blinded, Placebo-controlled Study to Evaluate the Efficacy, Safety, and Tolerability of Four Orally Administrated Doses of BI 409306 During a 12-week Treatment Period in Patients With Schizophrenia on Stable Antipsychotic Treatment
Brief summary
Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.
The objective of the study is to investigate the efficacy, safety and tolerability of four different doses of BI 409306 once daily compared to placebo given for 12 weeks in patients with schizophrenia on stable antipsychotic treatment.
Study identification
- NCT ID
- NCT02281773
- Recruitment status
- Completed
- Study type
- Interventional
- Phase
- Phase 2
- Enrollment
- 518 participants
Conditions and interventions
Conditions
Interventions
- BI 409306 100 mg QD Drug
- BI 498306 50 mg QD Drug
- Placebo Drug
- BI 498306 25 mg QD Drug
- BI 409306 10 mg QD Drug
Drug
Eligibility (public fields only)
- Age range
- 18 Years to 55 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 9, 2014
- Primary completion
- May 25, 2016
- Completion
- Jun 12, 2016
- Last update posted
- Oct 18, 2017
2014 – 2016
United States locations
- U.S. sites
- 24
- U.S. states
- 10
- U.S. cities
- 21
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| K and S Professional Research Services, LLC | Little Rock | Arkansas | 72201 | — |
| Comprehensive Clinical Development, Inc. | Cerritos | California | 90703 | — |
| Collaborative Neuroscience Network | Garden Grove | California | 92845 | — |
| Pacific Institute of Medical Research | Los Angeles | California | 90024 | — |
| SRSD, Inc. dba Synergy San Diego | National City | California | 91950 | — |
| NRC Research Institute | Orange | California | 92868 | — |
| Artemis Institute for Clinical Research, LLC | San Diego | California | 92103 | — |
| Collaborative Neuroscience Network | Torrance | California | 90502 | — |
| Comprehensive Clinical Development | Washington D.C. | District of Columbia | 20016 | — |
| Innovative Clinical Research | Lauderhill | Florida | 33319 | — |
| Florida Clinical Research Center | Maitland | Florida | 32751 | — |
| Behavioral Clinical Research, Inc. | North Miami | Florida | 33161 | — |
| Atlanta Center | Atlanta | Georgia | 30331 | — |
| Northwestern University | Chicago | Illinois | 60611 | — |
| Uptown Research Institute | Chicago | Illinois | 60640 | — |
| Lake Charles Clinical Trials LLC | Lake Charles | Louisiana | 70629 | — |
| Mid-America Clinical Research, LLC | St Louis | Missouri | 63109 | — |
| St. Louis Clinical Trials | St Louis | Missouri | 63141 | — |
| Neurobehavioral Research, Inc. | Cedarhurst | New York | 11516 | — |
| Finger Lakes Research | Rochester | New York | 14618 | — |
| University of Rochester Medical Center | Rochester | New York | 14623 | — |
| Richmond Behavioral Associates | Staten Island | New York | 10312 | — |
| Community Clinical Research, Inc. | Austin | Texas | 78754 | — |
| InSite Clinical Research | DeSoto | Texas | 75115 | — |
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 19 non-U.S. sites.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT02281773, 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 Oct 18, 2017 · Synced Sep 7, 2026
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Open the official record
The complete protocol, eligibility criteria, and contact information for NCT02281773 live on ClinicalTrials.gov.