This study is completed in the United States, in Bulgaria, in China, .... It is testing RO4917838 for schizophrenia.
SchizophreniaDrugOver 18 Years
The public registry lists this study as not currently recruiting. This page remains available for information. Check the official record for the latest status and explore other recruiting studies.
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In plain English
Key information made simple
What is this study testing?
This study is testing whether Bitopertin may be useful for adults experiencing schizophrenia.
What would participation involve?
Participants may receive Bitopertin, attend study visits with the research team. The protocol may also involve randomization, placebo, or a comparison group. The registry lists locations in Bulgaria, in China, and in Czechia.
Who is it mainly for?
This study appears to be mainly for adults with schizophrenia.
What should you check before joining?
Ask about the dose, safety monitoring, and possible side effects, whether there is placebo, randomization, or a comparison group, how many visits or travel steps are needed, the exact eligibility criteria.
Your next step
Check the study details
Check the official source, then confirm these points with the research team.
Where are visits, can any be remote, and how much time is needed?
Costs and support
What costs, reimbursement or compensation apply?
Before joining
Questions to ask before joining
What are the exact eligibility criteria, and what could exclude someone?
How many visits, assessments, or follow-ups are expected, and over what period?
What risks, side effects, practical burdens, or alternatives should be understood first?
Who should be contacted to confirm locations, timing, compensation, and next steps?
Study clarity
Things to check before joining
Study start dateNovember 2010
Recruitment status
Completed
Enrollment listed in the registry
625
Sponsor
Hoffmann-La Roche
Sponsor type
Unknown or unclear
Study type
Drug
Intervention type
Medication / drug
Study phase
Phase 3Usually a larger study designed to confirm effectiveness and safety in a broader group.
Locations
United States, Bulgaria, China, ...
Age range
Over 18 Years
Official registry ID
NCT01192880
Official title
A Phase III, Multi-Center, Randomized, 24 Week, Double-Blind, Parallel-Group, Placebo-Controlled Study to Evaluate Efficacy and Safety of RO4917838 in Stable Patients With Persistent, Predominant Negative Symptoms of Schizophrenia Treated With Antipsychotics Followed by a 28 Week, Double-Blind Treatment Period
Check recruitment and locations
Recruitment checked against the registry by HopeStage on . Registry information can change. Always confirm availability with the research team.
Indiana University; LaRue Carter Memorial Hospital-Research Unit
Indianapolis, Indiana
Site status: Not listed — confirm with the team
Clinical Insights, Inc.
Glen Burnie, Maryland
Site status: Not listed — confirm with the team
Precise Research Centers
Flowood, Mississippi
Site status: Not listed — confirm with the team
Altea Research Institute
Las Vegas, Nevada
Site status: Not listed — confirm with the team
Ocean Rheumatology
Toms River, New Jersey
Site status: Not listed — confirm with the team
State University of New York at Buffalo; Department of Psychiatry
Buffalo, New York
Site status: Not listed — confirm with the team
New York State Psychiatric Institute; Psychiatry Dept of Columbia University
New York, New York
Site status: Not listed — confirm with the team
Finger Lakes Clinical Research
Rochester, New York
Site status: Not listed — confirm with the team
Duke University
Durham, North Carolina
Site status: Not listed — confirm with the team
Keystone Clinical Studies, LLC
Norristown, Pennsylvania
Site status: Not listed — confirm with the team
Scranton Medical Institutes Llc.
Scranton, Pennsylvania
Site status: Not listed — confirm with the team
Community Clinical Research Inc.
Austin, Texas
Site status: Not listed — confirm with the team
University Hills Clinical Research
Irving, Texas
Site status: Not listed — confirm with the team
Lifetree Clinical Research
Salt Lake City, Utah
Site status: Not listed — confirm with the team
Eastside Therapeutic Resource
Kirkland, Washington
Site status: Not listed — confirm with the team
Ask HopeStage to help me review this study
This record does not confirm open recruitment. We can help you understand it and explore other studies.
Study ID: NCT01192880. We help you review the study, but cannot decide medical eligibility.
In practice
For you
Participation may contribute to research. Personal benefit is not guaranteed.
Ask the research team to explain the activities, time commitment, and follow-up involved.
Study sites are listed. Confirm the relevant site and any travel before making plans.
Important
Not medical advice
Information from public sources.
Are you the study sponsor? Contact us to update this page: hi@hopestage.com
FAQ
Questions about this study
What is this study trying to understand?
This study is exploring medication or study treatment for people with schizophrenia. Participants may complete study visits, assessments, or follow-up activities defined by the research team. Direct benefit is not guaranteed. The detailed objective is not always clearly listed in the public registry; the study team can confirm.
Does this study involve a medication?
This appears to be a medication / drug study involving Placebo, Bitopertin, Antipsychotics. Phase 3 studies are usually larger and aim to confirm effectiveness and safety in a broader group.
Who might this study be for?
This study may concern people with schizophrenia; age range: Over 18 Years. The criteria appear fairly specific, but you should not assume you are eligible. The study team must confirm diagnosis, age, exclusions, available locations, and next steps.
What would I likely need to do?
You may need to take a study treatment and have regular medical follow-up. The listed study locations suggest that at least part of participation may involve a physical site. Ask whether some steps can be done remotely.
What side effects, interactions, or treatment changes should I check?
If the study involves a medication, ask whether it is already approved, experimental, or being tested for a new use. Check possible side effects, interactions with current treatment, dose changes, monitoring, and what happens if you feel worse. For any mental health study, also ask who to contact if you feel worse, whether participation may affect current treatment, whether you can stop, and who confirms eligibility.
Will I need to travel or attend in-person visits?
The listed study locations suggest that at least part of participation may involve a physical site. Ask which sites are open, how many visits are expected, whether any steps can be done remotely, and whether travel costs or compensation are listed.
Who is behind this study?
This study is sponsored by Hoffmann-La Roche, which appears to be unknown or unclear. If available, it can be useful to check the sponsor website, collaborators, investigator affiliation, and the official registry before deciding. HopeStage does not judge the quality of a sponsor or researcher, but helps you identify what to verify.
Can I still join this study?
The public registry lists this study as not currently recruiting. This page remains available for information. Check the official record for the latest status and explore other recruiting studies.
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This EU register entry describes an interventional medicine trial, designed to assign participants a study treatment. The protocol sets out the treatment, eligibility criteria and assessments. Check the source details below for country statuses and any transfer to CTIS.
