This study is completed in the United States, in Australia, in France, .... 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.
Then choose your country and confirm availability with each study site.
In plain English
Key information made simple
What is this study testing?
This study is testing whether RO4917838 may be useful for adults experiencing schizophrenia.
What would participation involve?
Participants may receive RO4917838, attend study visits with the research team. The protocol may also involve randomization, placebo, or a comparison group. The registry lists locations in Argentina, in Australia, and in Colombia.
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 dateJanuary 2011
Recruitment status
Completed
Enrollment listed in the registry
595
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, Australia, France, ...
Age range
Over 18 Years
Official registry ID
NCT01235520
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.
Check recruitment and locations
Recruitment checked against the registry by HopeStage on . Registry information can change. Always confirm availability with the research team.
The overall study status can differ from each site's status. Open a country to see its locations and their registry status.
Argentina · 10 sites
Buenos Aires
Buenos Aires
Site status: Not listed — confirm with the team
Buenos Aires
Buenos Aires
Site status: Not listed — confirm with the team
Ciudad Autonoma Bs As
Ciudad Autonoma Bs As
Site status: Not listed — confirm with the team
Ciudad Autonoma Bs As
Ciudad Autonoma Bs As
Site status: Not listed — confirm with the team
Córdoba
Córdoba
Site status: Not listed — confirm with the team
Córdoba
Córdoba
Site status: Not listed — confirm with the team
La Plata
La Plata
Site status: Not listed — confirm with the team
Mendoza
Mendoza
Site status: Not listed — confirm with the team
Rosario
Rosario
Site status: Not listed — confirm with the team
Santiago del Estero
Santiago del Estero
Site status: Not listed — confirm with the team
Australia · 4 sites
Westmead
Westmead, New South Wales
Site status: Not listed — confirm with the team
Clayton
Clayton, Victoria
Site status: Not listed — confirm with the team
Frankston
Frankston, Victoria
Site status: Not listed — confirm with the team
Melbourne
Melbourne, Victoria
Site status: Not listed — confirm with the team
Colombia · 3 sites
Barranquilla
Barranquilla
Site status: Not listed — confirm with the team
Bello
Bello
Site status: Not listed — confirm with the team
Bogotá
Bogotá
Site status: Not listed — confirm with the team
Finland · 2 sites
Helsinki
Helsinki
Site status: Not listed — confirm with the team
Kuopio
Kuopio
Site status: Not listed — confirm with the team
France · 6 sites
Clermont-Ferrand
Clermont-Ferrand
Site status: Not listed — confirm with the team
Dole
Dole
Site status: Not listed — confirm with the team
Élancourt
Élancourt
Site status: Not listed — confirm with the team
Marseille
Marseille
Site status: Not listed — confirm with the team
Strasbourg
Strasbourg
Site status: Not listed — confirm with the team
Toulon
Toulon
Site status: Not listed — confirm with the team
Hungary · 6 sites
Balassagyarmat
Balassagyarmat
Site status: Not listed — confirm with the team
Budapest
Budapest
Site status: Not listed — confirm with the team
Budapest
Budapest
Site status: Not listed — confirm with the team
Budapest
Budapest
Site status: Not listed — confirm with the team
Győr
Győr
Site status: Not listed — confirm with the team
Gyula
Gyula
Site status: Not listed — confirm with the team
India · 12 sites
Ahmedabad
Ahmedabad
Site status: Not listed — confirm with the team
Ahmedabad
Ahmedabad
Site status: Not listed — confirm with the team
Ahmedabad
Ahmedabad
Site status: Not listed — confirm with the team
Bangalore
Bangalore
Site status: Not listed — confirm with the team
Jaipur
Jaipur
Site status: Not listed — confirm with the team
Jaipur
Jaipur
Site status: Not listed — confirm with the team
Kalyān
Kalyān
Site status: Not listed — confirm with the team
Mangalore
Mangalore
Site status: Not listed — confirm with the team
Mangalore
Mangalore
Site status: Not listed — confirm with the team
Nashik
Nashik
Site status: Not listed — confirm with the team
Pune
Pune
Site status: Not listed — confirm with the team
Vadodara
Vadodara
Site status: Not listed — confirm with the team
Mexico · 5 sites
México
México
Site status: Not listed — confirm with the team
Monterrey
Monterrey
Site status: Not listed — confirm with the team
Monterrey
Monterrey
Site status: Not listed — confirm with the team
Monterrey
Monterrey
Site status: Not listed — confirm with the team
San Luis Potosí City
San Luis Potosí City
Site status: Not listed — confirm with the team
Romania · 8 sites
Arad
Arad
Site status: Not listed — confirm with the team
Bucharest
Bucharest
Site status: Not listed — confirm with the team
Bucharest
Bucharest
Site status: Not listed — confirm with the team
Cluj-Napoca
Cluj-Napoca
Site status: Not listed — confirm with the team
Lasi
Lasi
Site status: Not listed — confirm with the team
Oradea
Oradea
Site status: Not listed — confirm with the team
Sibiu
Sibiu
Site status: Not listed — confirm with the team
Targouiste
Targouiste
Site status: Not listed — confirm with the team
Russia · 18 sites
Kemerovo
Kemerovo
Site status: Not listed — confirm with the team
Lipetsk
Lipetsk
Site status: Not listed — confirm with the team
Moscow
Moscow
Site status: Not listed — confirm with the team
Moscow
Moscow
Site status: Not listed — confirm with the team
Moscow
Moscow
Site status: Not listed — confirm with the team
Moscow
Moscow
Site status: Not listed — confirm with the team
Moscow Region
Moscow Region
Site status: Not listed — confirm with the team
Nizhny Novgorod
Nizhny Novgorod
Site status: Not listed — confirm with the team
Saint Petersburg
Saint Petersburg
Site status: Not listed — confirm with the team
Saint Petersburg
Saint Petersburg
Site status: Not listed — confirm with the team
Saint Petersburg
Saint Petersburg
Site status: Not listed — confirm with the team
Saint Petersburg
Saint Petersburg
Site status: Not listed — confirm with the team
Saint Petersburg
Saint Petersburg
Site status: Not listed — confirm with the team
Saint Petersburg
Saint Petersburg
Site status: Not listed — confirm with the team
Samara
Samara
Site status: Not listed — confirm with the team
Sartatov
Sartatov
Site status: Not listed — confirm with the team
Talagi
Talagi
Site status: Not listed — confirm with the team
Tomsk
Tomsk
Site status: Not listed — confirm with the team
South Korea · 9 sites
Busan
Busan
Site status: Not listed — confirm with the team
Gwangju
Gwangju
Site status: Not listed — confirm with the team
Gyeonggi-do
Gyeonggi-do
Site status: Not listed — confirm with the team
Incheon
Incheon
Site status: Not listed — confirm with the team
Incheon
Incheon
Site status: Not listed — confirm with the team
Jeollabuk-do
Jeollabuk-do
Site status: Not listed — confirm with the team
Seoul
Seoul
Site status: Not listed — confirm with the team
Seoul
Seoul
Site status: Not listed — confirm with the team
Seoul
Seoul
Site status: Not listed — confirm with the team
Sweden · 4 sites
Malmö
Malmö
Site status: Not listed — confirm with the team
Stockholm
Stockholm
Site status: Not listed — confirm with the team
Stockholm
Stockholm
Site status: Not listed — confirm with the team
Uppsala
Uppsala
Site status: Not listed — confirm with the team
United Kingdom · 4 sites
Edinburgh
Edinburgh
Site status: Not listed — confirm with the team
London
London
Site status: Not listed — confirm with the team
London
London
Site status: Not listed — confirm with the team
Oxford
Oxford
Site status: Not listed — confirm with the team
United States · 30 sites
Little Rock
Little Rock, Arkansas
Site status: Not listed — confirm with the team
Little Rock
Little Rock, Arkansas
Site status: Not listed — confirm with the team
Buena Park
Buena Park, California
Site status: Not listed — confirm with the team
Cerritos
Cerritos, California
Site status: Not listed — confirm with the team
Downey
Downey, California
Site status: Not listed — confirm with the team
La Palma
La Palma, California
Site status: Not listed — confirm with the team
Pasadena
Pasadena, California
Site status: Not listed — confirm with the team
Pico Rivera
Pico Rivera, California
Site status: Not listed — confirm with the team
Miami
Miami, Florida
Site status: Not listed — confirm with the team
Miami
Miami, Florida
Site status: Not listed — confirm with the team
Marietta
Marietta, Georgia
Site status: Not listed — confirm with the team
Oak Brook
Oak Brook, Illinois
Site status: Not listed — confirm with the team
Iowa City
Iowa City, Iowa
Site status: Not listed — confirm with the team
Glen Burnie
Glen Burnie, Maryland
Site status: Not listed — confirm with the team
Las Vegas
Las Vegas, Nevada
Site status: Not listed — confirm with the team
Toms River
Toms River, New Jersey
Site status: Not listed — confirm with the team
Willingboro
Willingboro, New Jersey
Site status: Not listed — confirm with the team
Albuquerque
Albuquerque, New Mexico
Site status: Not listed — confirm with the team
Brooklyn
Brooklyn, New York
Site status: Not listed — confirm with the team
Fresh Meadows
Fresh Meadows, New York
Site status: Not listed — confirm with the team
New York
New York, New York
Site status: Not listed — confirm with the team
Raleigh
Raleigh, North Carolina
Site status: Not listed — confirm with the team
Cincinnati
Cincinnati, Ohio
Site status: Not listed — confirm with the team
Philadelphia
Philadelphia, Pennsylvania
Site status: Not listed — confirm with the team
Scranton
Scranton, Pennsylvania
Site status: Not listed — confirm with the team
Bellaire
Bellaire, Texas
Site status: Not listed — confirm with the team
Dallas
Dallas, Texas
Site status: Not listed — confirm with the team
Dallas
Dallas, Texas
Site status: Not listed — confirm with the team
The Woodlands
The Woodlands, Texas
Site status: Not listed — confirm with the team
Kirkland
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: NCT01235520. 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, RO4917838. 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.